Timeline of United States diplomatic history
Encyclopedia
The diplomatic history
Diplomatic history
Diplomatic history deals with the history of international relations between states. Diplomatic history can be different from international relations in that the former can concern itself with the foreign policy of one state while the latter deals with relations between two or more states...

 of the United States oscillated among three positions: isolation from diplomatic entanglements of other (typically European) nations
Isolationism
Isolationism is the policy or doctrine of isolating one's country from the affairs of other nations by declining to enter into alliances, foreign economic commitments, international agreements, etc., seeking to devote the entire efforts of one's country to its own advancement and remain at peace by...

 (but with economic connections to the world); alliances with European and other military partners; and unilateralism
Unilateralism
Unilateralism is any doctrine or agenda that supports one-sided action. Such action may be in disregard for other parties, or as an expression of a commitment toward a direction which other parties may find agreeable...

, or operating on its own sovereign policy decisions. This is in direct contrast to the European Union, whose member States have given up their national sovereignty in exchange for cooperative mediation and group policy-making, especially in the economic arena.

Timeline of United States diplomatic history

See Brune (2003) and Arthur M. Schlesinger, Jr., ed. The Almanac of American History (1983) for specifics of each incident.

18th century

  • 1776 - Thirteen Colonies declared independence as the United States of America on July 2; Declaration of Independence
    United States Declaration of Independence
    The Declaration of Independence was a statement adopted by the Continental Congress on July 4, 1776, which announced that the thirteen American colonies then at war with Great Britain regarded themselves as independent states, and no longer a part of the British Empire. John Adams put forth a...

     adopted on July 4
  • 1776 - Three commissioners sent to Europe to negotiate treaties
  • 1777 - European officers recruited to Continental Army
    Continental Army
    The Continental Army was formed after the outbreak of the American Revolutionary War by the colonies that became the United States of America. Established by a resolution of the Continental Congress on June 14, 1775, it was created to coordinate the military efforts of the Thirteen Colonies in...

    , including Marquis de La Fayette
    Gilbert du Motier, marquis de La Fayette
    Marie-Joseph Paul Yves Roch Gilbert du Motier, Marquis de La Fayette , often known as simply Lafayette, was a French aristocrat and military officer born in Chavaniac, in the province of Auvergne in south central France...

    , Johann de Kalb
    Johann de Kalb
    Johann von Robais, Baron de Kalb , born Johann Kalb, was a German soldier who served as a major general in the Continental Army during the American Revolutionary War.-Early life:...

    , Friedrich Wilhelm von Steuben
    Friedrich Wilhelm von Steuben
    Friedrich Wilhelm August Heinrich Ferdinand von Steuben , also referred to as the Baron von Steuben, was a Prussian-born military officer who served as inspector general and Major General of the Continental Army during the American Revolutionary War...

    , and Tadeusz Kościuszko
    Tadeusz Kosciuszko
    Andrzej Tadeusz Bonawentura Kościuszko was a Polish–Lithuanian and American general and military leader during the Kościuszko Uprising. He is a national hero of Poland, Lithuania, the United States and Belarus...

  • 1777 - France decides to recognize America in December after victory
    Battle of Saratoga
    The Battles of Saratoga conclusively decided the fate of British General John Burgoyne's army in the American War of Independence and are generally regarded as a turning point in the war. The battles were fought eighteen days apart on the same ground, south of Saratoga, New York...

     at Saratoga
    Saratoga, New York
    Saratoga is a town in Saratoga County, New York, United States. The population was 5,141 at the 2000 census. It is also the commonly used, but not official, name for the neighboring and much more populous city, Saratoga Springs. The major village in the town of Saratoga is Schuylerville which is...

    , New York
  • 1778 - Treaty of Allies
    Treaty of Alliance (1778)
    The Treaty of Alliance, also called The Treaty of Alliance with France, was a defensive alliance between France and the United States of America, formed in the midst of the American Revolutionary War, which promised military support in case of attack by British forces indefinitely into the future...

    . America and France agreed to come to each others aid in event of a British attack from the present time and forever; abrogated in 1800.
  • 1778 - Carlisle Peace Commission
    Carlisle Peace Commission
    The Carlisle Peace Commission was a group of British negotiators who were sent to North America in 1778, during the American War of Independence, with an offer to the rebellious Thirteen Colonies, who had declared themselves to be the United States, of self-rule within the British Empire...

     sent by Great Britain; offers Americans all the terms they sought in 1775, but not independence; rejected
  • 1779 - Spain enters the war
    American Revolution
    The American Revolution was the political upheaval during the last half of the 18th century in which thirteen colonies in North America joined together to break free from the British Empire, combining to become the United States of America...

     as an ally of France (but not of America); John Jay
    John Jay
    John Jay was an American politician, statesman, revolutionary, diplomat, a Founding Father of the United States, and the first Chief Justice of the United States ....

     appointed minister to Spain; he obtains money but not recognition
  • 1779 - John Adams
    John Adams
    John Adams was an American lawyer, statesman, diplomat and political theorist. A leading champion of independence in 1776, he was the second President of the United States...

     sent to Paris, France to negotiate peace terms with Great Britain
  • 1780- Russia
    Russian Empire
    The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

     proclaims "armed neutrality" which helps Allies
  • 1780-81 - Russia and Austria propose peace terms; rejected by Adams
  • 1781 - Benjamin Franklin
    Benjamin Franklin
    Dr. Benjamin Franklin was one of the Founding Fathers of the United States. A noted polymath, Franklin was a leading author, printer, political theorist, politician, postmaster, scientist, musician, inventor, satirist, civic activist, statesman, and diplomat...

    , Henry Laurens
    Henry Laurens
    Henry Laurens was an American merchant and rice planter from South Carolina who became a political leader during the Revolutionary War. A delegate to the Second Continental Congress, Laurens succeeded John Hancock as President of the Congress...

     and Thomas Jefferson
    Thomas Jefferson
    Thomas Jefferson was the principal author of the United States Declaration of Independence and the Statute of Virginia for Religious Freedom , the third President of the United States and founder of the University of Virginia...

     named to assist Adams in peace negotiations; Congress
    United States Congress
    The United States Congress is the bicameral legislature of the federal government of the United States, consisting of the Senate and the House of Representatives. The Congress meets in the United States Capitol in Washington, D.C....

     insists on independence; all else is negotiable
  • 1782 - Holland
    Netherlands
    The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...

     recognizes American independence and signs treaty of commerce and friendship; Dutch bankers loan $
    United States dollar
    The United States dollar , also referred to as the American dollar, is the official currency of the United States of America. It is divided into 100 smaller units called cents or pennies....

    2 million for war supplies
  • 1783 - Treaty of Paris
    Treaty of Paris (1783)
    The Treaty of Paris, signed on September 3, 1783, ended the American Revolutionary War between Great Britain on the one hand and the United States of America and its allies on the other. The other combatant nations, France, Spain and the Dutch Republic had separate agreements; for details of...

     ends Revolutionary War; U.S. boundaries confirmed as British North America
    British North America
    British North America is a historical term. It consisted of the colonies and territories of the British Empire in continental North America after the end of the American Revolutionary War and the recognition of American independence in 1783.At the start of the Revolutionary War in 1775 the British...

     on north, Mississippi River
    Mississippi River
    The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

     on west, Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

     on south.
  • 1783 - A commercial treaty
    Treaty of Amity and Commerce (USA–Sweden)
    The Treaty of Amity and Commerce Between the United States and Sweden, was a treaty signed on April 3, 1783 in Paris, France between the United States and Sweden...

     with Sweden
  • 1784 - British allow trade with America but forbid some American food exports to West Indies
    Caribbean
    The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...

    ; British exports to America reach £
    Pound sterling
    The pound sterling , commonly called the pound, is the official currency of the United Kingdom, its Crown Dependencies and the British Overseas Territories of South Georgia and the South Sandwich Islands, British Antarctic Territory and Tristan da Cunha. It is subdivided into 100 pence...

    3.7 million, imports only £750,000; imbalance causes shortage of gold in U.S.
  • 1784 - New York–based merchants open the China trade, followed by Salem
    Salem, Massachusetts
    Salem is a city in Essex County, Massachusetts, United States. The population was 40,407 at the 2000 census. It and Lawrence are the county seats of Essex County...

    , Boston and Philadelphia merchants
  • 1785 - Adams appointed first minister to Court of Saint James's
    Court of St. James's
    The Court of St James's is the royal court of the United Kingdom. It previously had the same function in the Kingdom of England and in the Kingdom of Great Britain .-Overview:...

     (Great Britain); Jefferson replaces Franklin as minister to France
  • 1789 - Jay-Gardoqui Treaty
    Jay-Gardoqui Treaty
    The Jay–Gardoqui Treaty of 1789 between the United States and Spain guaranteed Spain's exclusive right to navigate the Mississippi River for 30 years. It also opened Spain's European and West Indian seaports to American shipping...

     with Spain, gave Spain exclusive right to navigate Mississippi River for 30 years; not ratified because of western opposition.
  • 1793–1815 - Major worldwide war
    French Revolutionary Wars
    The French Revolutionary Wars were a series of major conflicts, from 1792 until 1802, fought between the French Revolutionary government and several European states...

     between Great Britain and France (and their allies); America neutral until 1812 and does business with both sides
  • 1795 - Jay Treaty
    Jay Treaty
    Jay's Treaty, , also known as Jay's Treaty, The British Treaty, and the Treaty of London of 1794, was a treaty between the United States and Great Britain that is credited with averting war,, resolving issues remaining since the Treaty of Paris of 1783, which ended the American Revolution,, and...

     with Britain. Averts war, opens 10 years of peaceful trade with Britain, fails to settle neutrality issues; British eventually evacuate western forts; boundary lines and debts (in both directions) to be settled by arbitration. Barely approved by Senate
    United States Senate
    The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

     (1795) after revision; intensely opposed, became major issue in formation of First Party System
    First Party System
    The First Party System is a model of American politics used by political scientists and historians to periodize the political party system existing in the United States between roughly 1792 and 1824. It featured two national parties competing for control of the presidency, Congress, and the states:...

  • 1796 - Treaty of Madrid
    Pinckney's Treaty
    Pinckney's Treaty, also known as the Treaty of San Lorenzo or the Treaty of Madrid, was signed in San Lorenzo de El Escorial on October 27, 1795 and established intentions of friendship between the United States and Spain. It also defined the boundaries of the United States with the Spanish...

     established boundaries with the Spanish colonies of Florida and Louisiana
    Louisiana
    Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

     and guaranteed navigation rights on the Mississippi River. It becomes law
  • 1797 - Treaty of Tripoli; peace treaty with Barbary state of Tripoli
    Tripoli
    Tripoli is the capital and largest city in Libya. It is also known as Western Tripoli , to distinguish it from Tripoli, Lebanon. It is affectionately called The Mermaid of the Mediterranean , describing its turquoise waters and its whitewashed buildings. Tripoli is a Greek name that means "Three...

     signed into law by President John Adams
    John Adams
    John Adams was an American lawyer, statesman, diplomat and political theorist. A leading champion of independence in 1776, he was the second President of the United States...

     on June 10; America says government
    Federal government of the United States
    The federal government of the United States is the national government of the constitutional republic of fifty states that is the United States of America. The federal government comprises three distinct branches of government: a legislative, an executive and a judiciary. These branches and...

     is non-religious
    Irreligion
    Irreligion is defined as an absence of religion or an indifference towards religion. Sometimes it may also be defined more narrowly as hostility towards religion. When characterized as hostility to religion, it includes antitheism, anticlericalism and antireligion. When characterized as...

     in origin and practice; violated in 1801 by the Basha
    Pasha
    Pasha or pascha, formerly bashaw, was a high rank in the Ottoman Empire political system, typically granted to governors, generals and dignitaries. As an honorary title, Pasha, in one of its various ranks, is equivalent to the British title of Lord, and was also one of the highest titles in...

     of Tripoli which led to the Tripolitanian War
    First Barbary War
    The First Barbary War , also known as the Barbary Coast War or the Tripolitan War, was the first of two wars fought between the United States and the North African Berber Muslim states known collectively as the Barbary States...

    .
  • 1797 - XYZ Affair
    XYZ Affair
    The XYZ Affair was a 1798 diplomatic episode during the administration of John Adams that Americans interpreted as an insult from France. It led to an undeclared naval war called the Quasi-War, which raged at sea from 1798 to 1800...

    ; humiliation by French diplomats; threat of war with France.
  • 1798–1800 - Quasi-War
    Quasi-War
    The Quasi-War was an undeclared war fought mostly at sea between the United States and French Republic from 1798 to 1800. In the United States, the conflict was sometimes also referred to as the Franco-American War, the Pirate Wars, or the Half-War.-Background:The Kingdom of France had been a...

    ; undeclared naval
    Navy
    A navy is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake- or ocean-borne combat operations and related functions...

     war with France.

19th century

  • 1800 - Treaty of Mortefontaine
    Convention of 1800 (Treaty of Mortefontaine)
    The Convention of 1800, , also known as the Treaty of Mortefontaine, was a treaty between the United States of America and France to settle the hostilities that had erupted during the Quasi-War...

     with France ends the Quasi-War and ends alliance of 1778
  • Early 19th century - Barbary Wars
    Barbary Wars
    The Barbary Wars were a series of wars between the United States of America and the Barbary States of North Africa in the late 18th and early 19th centuries. At issue was the Barbary pirates' demand of tribute from American merchant vessels in the Mediterranean Sea. If ships failed to pay, pirates...

    : Algiers
    Algiers
    ' is the capital and largest city of Algeria. According to the 1998 census, the population of the city proper was 1,519,570 and that of the urban agglomeration was 2,135,630. In 2009, the population was about 3,500,000...

    , Morocco
    Morocco
    Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

    , Tripoli
    Tripoli
    Tripoli is the capital and largest city in Libya. It is also known as Western Tripoli , to distinguish it from Tripoli, Lebanon. It is affectionately called The Mermaid of the Mediterranean , describing its turquoise waters and its whitewashed buildings. Tripoli is a Greek name that means "Three...

    , and Tunis
    Tunis
    Tunis is the capital of both the Tunisian Republic and the Tunis Governorate. It is Tunisia's largest city, with a population of 728,453 as of 2004; the greater metropolitan area holds some 2,412,500 inhabitants....

     require America to pay protection money; U.S. Navy
    United States Navy
    The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

     sent in and forces abandonment of tribute; other states demanded tribute until 1815 when Stephen Decatur
    Stephen Decatur
    Stephen Decatur, Jr. , was an American naval officer notable for his many naval victories in the early 19th century. He was born on the eastern shore of Maryland, Worcester county, the son of a U.S. Naval Officer who served during the American Revolution. Shortly after attending college Decatur...

     again prevailed.
  • 1803 - Louisiana Purchase
    Louisiana Purchase
    The Louisiana Purchase was the acquisition by the United States of America of of France's claim to the territory of Louisiana in 1803. The U.S...

     from France for $15,000,000.
  • 1806 - Essex Case; British reverse policy and seize American ships trading with French colonies; America responds with Non-Importation Act stopping imports of some items from Great Britain
  • 1806 - Napoleon
    Napoleon I of France
    Napoleon Bonaparte was a French military and political leader during the latter stages of the French Revolution.As Napoleon I, he was Emperor of the French from 1804 to 1815...

     issues Berlin Decree
    Berlin Decree
    The Berlin Decree was issued by Napoleon on November 21, 1806, following the French success against Prussia at the Battle of Jena. The decree forbade the import of British goods into European countries allied with or dependent upon France, and installed the Continental System in Europe.It...

    , a paper blockade of Great Britain
  • 1806 - Monroe-Pinkney Treaty
    Monroe-Pinkney Treaty
    The Monroe–Pinkney Treaty of 1806 was a treaty drawn up by diplomats of the United States and Britain as a renewal of the Jay Treaty of 1795. It was rejected by President Thomas Jefferson and never took effect...

     with Great Britain; rejected by Jefferson
  • 1807-09 - Embargo Act
    Embargo Act of 1807
    The Embargo Act of 1807 and the subsequent Nonintercourse Acts were American laws restricting American ships from engaging in foreign trade between the years of 1807 and 1812. The Acts were diplomatic responses by presidents Thomas Jefferson and James Madison designed to protect American interests...

    , inclusive to all shipping exports.
  • 1807-12 - Impressment of 6,000 sailors from American ships with U.S. citizenship into the Royal Navy
    Royal Navy
    The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

    ; Great Britain ignores vehement American protests
  • 1812 - America declares war on Great Britain, beginning the War of 1812
    War of 1812
    The War of 1812 was a military conflict fought between the forces of the United States of America and those of the British Empire. The Americans declared war in 1812 for several reasons, including trade restrictions because of Britain's ongoing war with France, impressment of American merchant...

    .
  • 1814 - December 24: Treaty of Ghent
    Treaty of Ghent
    The Treaty of Ghent , signed on 24 December 1814, in Ghent , was the peace treaty that ended the War of 1812 between the United States of America and the United Kingdom of Great Britain and Ireland...

     ends the War of 1812
    War of 1812
    The War of 1812 was a military conflict fought between the forces of the United States of America and those of the British Empire. The Americans declared war in 1812 for several reasons, including trade restrictions because of Britain's ongoing war with France, impressment of American merchant...

    , providing status quo ante bellum (no change in boundaries); Great Britain no longer needs impressment and stops
  • 1818 - London Convention of 1818
    Treaty of 1818
    The Convention respecting fisheries, boundary and the restoration of slaves between the United States of America and the United Kingdom of Great Britain and Ireland, also known as the London Convention, Anglo-American Convention of 1818, Convention of 1818, or simply the Treaty of 1818, was a...

    , between the U.S. and Great Britain
  • 1819 - Adams-Onís Treaty
    Adams-Onís Treaty
    The Adams–Onís Treaty of 1819, also known as the Transcontinental Treaty or the Purchase of Florida, was a treaty between the United States and Spain in 1819 that gave Florida to the U.S. and set out a boundary between the U.S. and New Spain . It settled a standing border dispute between the two...

    : Spain cedes Florida to America for $5,000,000; America agrees to assume claims against Spain, America gives up claims to Texas
    Texas
    Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

    .
  • 1823 - Monroe Doctrine
    Monroe Doctrine
    The Monroe Doctrine is a policy of the United States introduced on December 2, 1823. It stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression requiring U.S. intervention...

    . British propose America join in stating that European powers will not be permitted further American colonization. President James Monroe
    James Monroe
    James Monroe was the fifth President of the United States . Monroe was the last president who was a Founding Father of the United States, and the last president from the Virginia dynasty and the Republican Generation...

     states it on December 2 as independent American policy.
  • 1833 - Argentina
    Argentina
    Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

    . U.S. Navy shells the Falkland Islands
    Falkland Islands
    The Falkland Islands are an archipelago in the South Atlantic Ocean, located about from the coast of mainland South America. The archipelago consists of East Falkland, West Falkland and 776 lesser islands. The capital, Stanley, is on East Falkland...

    , at the time under Argentine control, in retaliation for the seizing of American ships fishing in Argentine waters.
  • 1837 - Caroline affair
    Caroline affair
    The Caroline affair was a series of events beginning in 1837 that strained relations between the United States and Britain....

    ; Canadian military enters U.S. territory to burn a ship used by Canadian rebels.
  • 1838 - Aroostook War
    Aroostook War
    The Aroostook War was an undeclared nonviolent confrontation in 1838/1839 between the United States and Great Britain over the international boundary between British North America and Maine. The compromise resolution win a mutually accepted border between the state of Maine and the provinces of...

     re: Maine-New Brunswick; no combat
  • 1842 - Webster-Ashburton Treaty
    Webster-Ashburton Treaty
    The Webster–Ashburton Treaty, signed August 9, 1842, was a treaty resolving several border issues between the United States and the British North American colonies...

    -settles U.S.-Canadian border, settling Aroostook War and Caroline affair.
  • 1844 - Oregon Question
    Oregon boundary dispute
    The Oregon boundary dispute, or the Oregon Question, arose as a result of competing British and American claims to the Pacific Northwest of North America in the first half of the 19th century. Both the United Kingdom and the United States had territorial and commercial aspirations in the region...

    ; America and Great Britain at sword's point; "54-40 or fight" is American slogan
  • 1844 - Treaty of Wanghia
    Treaty of Wanghia
    The Treaty of Wanghia , is a diplomatic agreement between the Qing Dynasty of China and the United States, signed on 3 July 1844 in the Kun Iam Temple...

    .
  • 1845 - Annexation of Republic of Texas
    Republic of Texas
    The Republic of Texas was an independent nation in North America, bordering the United States and Mexico, that existed from 1836 to 1846.Formed as a break-away republic from Mexico by the Texas Revolution, the state claimed borders that encompassed an area that included all of the present U.S...

    ; Mexico breaks relations in retaliation
  • 1845 - Slidell
    John Slidell
    John Slidell was an American politician, lawyer and businessman. A native of New York, Slidell moved to Louisiana as a young man and became a staunch defender of southern rights as a U.S. Representative and Senator...

     Mission fails to avert war with Mexico
  • 1846 - Oregon crisis ended by compromise that splits the region, with British Columbia
    British Columbia
    British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

     to Great Britain, and Washington, Idaho
    Idaho
    Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....

    , and Oregon
    Oregon
    Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

     to America.
  • 1846 - Mexican–American War
    Mexican–American War
    The Mexican–American War, also known as the First American Intervention, the Mexican War, or the U.S.–Mexican War, was an armed conflict between the United States and Mexico from 1846 to 1848 in the wake of the 1845 U.S...

     begins; Oregon settlement with Britain.
  • 1848 - Treaty of Guadalupe Hidalgo
    Treaty of Guadalupe Hidalgo
    The Treaty of Guadalupe Hidalgo is the peace treaty, largely dictated by the United States to the interim government of a militarily occupied Mexico City, that ended the Mexican-American War on February 2, 1848...

    - settled Mexican-American War, Rio Grande
    Rio Grande
    The Rio Grande is a river that flows from southwestern Colorado in the United States to the Gulf of Mexico. Along the way it forms part of the Mexico – United States border. Its length varies as its course changes...

     as U.S. border; territory of New Mexico
    New Mexico
    New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

     rest of west
    Western United States
    .The Western United States, commonly referred to as the American West or simply "the West," traditionally refers to the region comprising the westernmost states of the United States. Because the U.S. expanded westward after its founding, the meaning of the West has evolved over time...

     ceded to America, especially California. U.S. pays Mexico $15,000,000 and assumes $3,250,000 liability against Mexico.
  • 1850 - Clayton-Bulwer Treaty
    Clayton-Bulwer Treaty
    The Clayton–Bulwer Treaty was a treaty between the United States and the United Kingdom, negotiated in 1850 by John M. Clayton and Sir Henry Lytton Bulwer, later Lord Dalling...

    . America and Great Britain agreed that both nations were not to colonize or control any Central American republic, neither nation would seek exclusive control of Isthmian canal, if canal built protected by both nations for neutrality and security. Any canal built open to all nations on equal terms.
  • 1853 - Gadsden
    James Gadsden
    James Gadsden was an American diplomat, soldier and businessman and namesake of the Gadsden Purchase, in which the United States purchased from Mexico the land that became the southern portion of Arizona and New Mexico. James Gadsden served as Adjutant General of the U. S...

     Purchase
    Gadsden Purchase
    The Gadsden Purchase is a region of present-day southern Arizona and southwestern New Mexico that was purchased by the United States in a treaty signed by James Gadsden, the American ambassador to Mexico at the time, on December 30, 1853. It was then ratified, with changes, by the U.S...

    : purchase of 30,000 square miles (78,700 km²) in southern Arizona
    Arizona
    Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...

     for $10,000,000 for purpose of railroad connections
  • 1854 - Kanagawa Treaty
    Convention of Kanagawa
    On March 31, 1854, the or was concluded between Commodore Matthew C. Perry of the U.S. Navy and the Tokugawa shogunate.-Treaty of Peace and Amity :...

    ; Matthew Perry to Tokyo in 1853; returning 1854 with seven warships; treaty opened two Japanese ports and guaranteeing safety of shipwrecked American seamen.
  • 1857 - Nicaragua
    Nicaragua
    Nicaragua is the largest country in the Central American American isthmus, bordered by Honduras to the north and Costa Rica to the south. The country is situated between 11 and 14 degrees north of the Equator in the Northern Hemisphere, which places it entirely within the tropics. The Pacific Ocean...

    ; U.S. Navy forces the surrender of filibusterer
    Filibuster (military)
    A filibuster, or freebooter, is someone who engages in an unauthorized military expedition into a foreign country to foment or support a revolution...

     William Walker, who had tried to seize control of the country.
  • 1861 - President Abraham Lincoln
    Abraham Lincoln
    Abraham Lincoln was the 16th President of the United States, serving from March 1861 until his assassination in April 1865. He successfully led his country through a great constitutional, military and moral crisis – the American Civil War – preserving the Union, while ending slavery, and...

     proclaims blockade of Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

    , giving it some legitimacy
  • 1861-65 - Lincoln threatens war against any country that recognizes the Confederacy; no country does so
  • 1864-65 - Maximilian Affair: In defiance of the Monroe Doctrine
    Monroe Doctrine
    The Monroe Doctrine is a policy of the United States introduced on December 2, 1823. It stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression requiring U.S. intervention...

    , French Emperor Napoleon III
    Napoleon III of France
    Louis-Napoléon Bonaparte was the President of the French Second Republic and as Napoleon III, the ruler of the Second French Empire. He was the nephew and heir of Napoleon I, christened as Charles Louis Napoléon Bonaparte...

     placed Archduke Maximilian
    Maximilian I of Mexico
    Maximilian I was the only monarch of the Second Mexican Empire.After a distinguished career in the Austrian Navy, he was proclaimed Emperor of Mexico on April 10, 1864, with the backing of Napoleon III of France and a group of Mexican monarchists who sought to revive the Mexican monarchy...

     on Mexican throne, America warns France against intervention, with 50,000 combat troops being sent to the Mexican border by President Andrew Johnson
    Andrew Johnson
    Andrew Johnson was the 17th President of the United States . As Vice-President of the United States in 1865, he succeeded Abraham Lincoln following the latter's assassination. Johnson then presided over the initial and contentious Reconstruction era of the United States following the American...

    ; Maximilian overthrown
  • 1867 - Alaska purchase
    Alaska purchase
    The Alaska Purchase was the acquisition of the Alaska territory by the United States from Russia in 1867 by a treaty ratified by the Senate. The purchase, made at the initiative of United States Secretary of State William H. Seward, gained of new United States territory...

    : America purchases Alaska from Russia for $7,200,000.
  • 1868 - Treaty on Naturalization
    Bancroft Treaties
    The Bancroft treaties, also called the Bancroft conventions, were a series of agreements made in the late 19th and early 20th centuries between the United States and other countries that 1) recognized the right of each party's nationals to become naturalized citizens of the other; and 2) defined...

     with North German Confederation
    North German Confederation
    The North German Confederation 1866–71, was a federation of 22 independent states of northern Germany. It was formed by a constitution accepted by the member states in 1867 and controlled military and foreign policy. It included the new Reichstag, a parliament elected by universal manhood...

     marked first recognition by a European power of the right of its subjects to become naturalized U.S. citizens.
  • 1868 - Burlingame Treaty
    Burlingame Treaty
    The Burlingame Treaty, also known as the Burlingame-Seward Treaty of 1868, between the United States and China, amended the Treaty of Tientsin of 1858 and established formal friendly relations between the two countries, with the United States granting China most favored nation status...

     established formal friendly relations with China and placed them on most favored nation status, Chinese immigration encouraged; reversed in 1882 Chinese Exclusion Act.
  • 1871 - Alabama Claims
    Alabama Claims
    The Alabama Claims were a series of claims for damages by the United States government against the government of Great Britain for the assistance given to the Confederate cause during the American Civil War. After international arbitration endorsed the American position in 1872, Britain settled...

    . During the American Civil War
    American Civil War
    The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

    , Confederate States of America
    Confederate States of America
    The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

     raider CSS Alabama
    CSS Alabama
    CSS Alabama was a screw sloop-of-war built for the Confederate States Navy at Birkenhead, United Kingdom, in 1862 by John Laird Sons and Company. Alabama served as a commerce raider, attacking Union merchant and naval ships over the course of her two-year career, during which she never anchored in...

     built in Great Britain, America claimed direct and collateral damage against Great Britain, awarded $15,500,000 by international tribunal.
  • 1891 - Baltimore Crisis
    Baltimore Crisis
    The Baltimore Crisis was a diplomatic incident that took place between Chile and the United States, during the Chilean Civil War, as result of the growing American influence in Pacific Coast region of Latin America in the 1890s. It remains a nodal event because it marked a dramatic shift in United...

    , minor scuffle with Chile
    Chile
    Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

     over treatment of soldiers.
  • 1893 - Hawaii; January 16 to April 1. Citizens outraged at Queen Liliuokalani attempt to set up absolute monarchy; overthrows her with no violence and proclaims provisional government; U.S. Marines
    United States Marine Corps
    The United States Marine Corps is a branch of the United States Armed Forces responsible for providing power projection from the sea, using the mobility of the United States Navy to deliver combined-arms task forces rapidly. It is one of seven uniformed services of the United States...

     landed to protect American lives; Hawaii and President Harrison agree to annexation but treaty withdrawn (1893) by President Grover Cleveland
    Grover Cleveland
    Stephen Grover Cleveland was the 22nd and 24th president of the United States. Cleveland is the only president to serve two non-consecutive terms and therefore is the only individual to be counted twice in the numbering of the presidents...

     who rejects annexation
  • 1898 - De Lôme Letter: Spanish minister writes disparagingly of President William McKinley
    William McKinley
    William McKinley, Jr. was the 25th President of the United States . He is best known for winning fiercely fought elections, while supporting the gold standard and high tariffs; he succeeded in forging a Republican coalition that for the most part dominated national politics until the 1930s...

  • 1898 - Spanish-American War
    Spanish-American War
    The Spanish–American War was a conflict in 1898 between Spain and the United States, effectively the result of American intervention in the ongoing Cuban War of Independence...

    ; "splendid little war" with American quick victory
  • 1898 - Treaty of Paris
    Treaty of Paris (1898)
    The Treaty of Paris of 1898 was signed on December 10, 1898, at the end of the Spanish-American War, and came into effect on April 11, 1899, when the ratifications were exchanged....

    ; U.S. gains Philippines, Guam and Puerto Rico; pays Spain for claims; Cuba under temporary U.S. control
  • 1898 - Hawaii seeks to join US; with votes lacking for 2/3 approval of a treaty on July 7. The Newlands Resolution
    Newlands Resolution
    The Newlands Resolution, was a joint resolution written by and named after United States Congressman Francis G. Newlands. It was an Act of Congress to annex the Republic of Hawaii and create the Territory of Hawaii....

     in Congress annexes the Republic of Hawaii
    Republic of Hawaii
    The Republic of Hawaii was the formal name of the government that controlled Hawaii from 1894 to 1898 when it was run as a republic. The republic period occurred between the administration of the Provisional Government of Hawaii which ended on July 4, 1894 and the adoption of the Newlands...

    , with full U.S. citizenship for Hawaiian citizens regardless of race
  • 1899–1901 - Philippine-American War
    Philippine-American War
    The Philippine–American War, also known as the Philippine War of Independence or the Philippine Insurrection , was an armed conflict between a group of Filipino revolutionaries and the United States which arose from the struggle of the First Philippine Republic to gain independence following...

    , commonly known as the "Philippine Insurrection".
  • 1899 - Open Door Policy
    Open Door Policy
    The Open Door Policy is a concept in foreign affairs, which usually refers to the policy in 1899 allowing multiple Imperial powers access to China, with none of them in control of that country. As a theory, the Open Door Policy originates with British commercial practice, as was reflected in...

     for equal trading rights inside China; accepted by Great Britain, Germany, France, Italy, Russia and Japan

20th century

  • 1900 - U.S. forces participate in international rescue in Peking
    Beijing
    Beijing , also known as Peking , is the capital of the People's Republic of China and one of the most populous cities in the world, with a population of 19,612,368 as of 2010. The city is the country's political, cultural, and educational center, and home to the headquarters for most of China's...

    , in Boxer Rebellion
    Boxer Rebellion
    The Boxer Rebellion, also called the Boxer Uprising by some historians or the Righteous Harmony Society Movement in northern China, was a proto-nationalist movement by the "Righteous Harmony Society" , or "Righteous Fists of Harmony" or "Society of Righteous and Harmonious Fists" , in China between...

  • 1901 - Hay-Pauncefote Treaty
    Hay-Pauncefote Treaty
    The United States and the United Kingdom signed the Hay-Pauncefote Treaty on 18 November 1901. The Treaty nullified the Clayton-Bulwer Treaty of 1850 and gave the United States the right to create and control a canal across the Central American isthmus to connect the Pacific Ocean and the Atlantic...

    . American agreement with Great Britain nullifying Clayton-Bulwer Treaty
    Clayton-Bulwer Treaty
    The Clayton–Bulwer Treaty was a treaty between the United States and the United Kingdom, negotiated in 1850 by John M. Clayton and Sir Henry Lytton Bulwer, later Lord Dalling...

     of 1850; guarantee of open passage for any nation through proposed Panama Canal
    Panama Canal
    The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

    .
  • 1901 - Platt Amendment
    Platt Amendment
    The Platt Amendment of 1901 was a rider appended to the Army Appropriations Act presented to the U.S. Senate by Connecticut Republican Senator Orville H. Platt replacing the earlier Teller Amendment. Approved on May 22, 1903, it stipulated the conditions for the withdrawal of United States troops...

    , March 2. Rider attached to the Army Appropriations Bill of 1901 designed to protect Cuba
    Cuba
    The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

    's independence from foreign intervention. The amendment effectively makes Cuba a U.S. protectorate and allowed for American intervention in Cuban affairs in 1906, 1912, 1917, and 1920. It also permitted America to lease Guantanamo Bay Naval Base
    Guantanamo Bay Naval Base
    Guantanamo Bay Naval Base is located on of land and water at Guantánamo Bay, Cuba which the United States leased for use as a coaling station following the Cuban-American Treaty of 1903. The base is located on the shore of Guantánamo Bay at the southeastern end of Cuba. It is the oldest overseas...

    . Rising Cuban nationalism and widespread criticism led to its abrogation in 1934 by the Ramón Grau
    Ramón Grau
    Dr. Ramón Grau San Martín was a Cuban physician and the President of Cuba .-Youth:...

     administration.
  • 1902 - Drago Doctrine
    Drago Doctrine
    The Drago Doctrine was announced in 1902 by the Argentine Minister of Foreign Affairs Luis María Drago. Extending the Monroe Doctrine, it set forth the policy that no foreign power, including the United States, could use force against an American nation to collect debt...

    . Foreign Minister Luis María Drago
    Luis Maria Drago
    Luis María Drago was an Argentine politician.Born into a distinguished Argentine family in Buenos Aires, Drago began his career as a newspaper editor. Later, he served as a minister of foreign affairs...

     of Argentina
    Argentina
    Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...

     announced policy that no European power could use force against any American nation to collect debt, supplanted in 1904 by Roosevelt Corollary
    Roosevelt Corollary
    -Background:In late 1902, Britain, Germany, and Italy implemented a naval blockade of several months against Venezuela because of President Cipriano Castro's refusal to pay foreign debts and damages suffered by European citizens in a recent Venezuelan civil war. The incident was called the...

     to Monroe Doctrine
    Monroe Doctrine
    The Monroe Doctrine is a policy of the United States introduced on December 2, 1823. It stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression requiring U.S. intervention...

    .
  • 1903 - Big Stick diplomacy
    Big stick diplomacy
    Big Stick ideology, Big Stick diplomacy, or Big Stick policy is a form of hegemony and was the slogan describing U.S. President Theodore Roosevelt’s corollary to the Monroe Doctrine. Roosevelt attributed the term to a West African proverb, "Speak softly and carry a big stick; you will go far," but...

    : Theodore Roosevelt
    Theodore Roosevelt
    Theodore "Teddy" Roosevelt was the 26th President of the United States . He is noted for his exuberant personality, range of interests and achievements, and his leadership of the Progressive Movement, as well as his "cowboy" persona and robust masculinity...

     refers to U.S. policy as "speaking softly and carrying a big stick", applied the same year by assisting Panama
    Panama
    Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

    's independence movement from Colombia
    Colombia
    Colombia, officially the Republic of Colombia , is a unitary constitutional republic comprising thirty-two departments. The country is located in northwestern South America, bordered to the east by Venezuela and Brazil; to the south by Ecuador and Peru; to the north by the Caribbean Sea; to the...

    . U.S. forces sought to protect American interests and lives during and following the Panamanian revolution over construction of the Isthmian Canal. U.S. Marines were stationed on the isthmus (1903–1914)
  • 1903 - Hay-Bunau Varilla Treaty
    Hay-Bunau Varilla Treaty
    The Hay–Bunau-Varilla Treaty was a treaty signed on November 18, 1903, by the United States and Panama, that established the Panama Canal Zone and the subsequent construction of the Panama Canal...

     with Panama; leased strip of land increased to 10 miles (16 km) wide.
  • 1903 - Hay-Herbert Treaty
    Hay-Herbert Treaty
    The Alaska boundary treaty, also known as the Hay–Herbert treaty, signed in 1903, is a treaty between Great Britain and United States that resolved a dispute on the location of the border between Alaska and Canada....

     resolved the Alaska boundary dispute
    Alaska Boundary Dispute
    The Alaska boundary dispute was a territorial dispute between the United States and Canada . It was resolved by arbitration in 1903. The dispute had been going on between the Russian and British Empires since 1821, and was inherited by the United States as a consequence of the Alaska Purchase in...

     between the United States and Canada in favor of U.S.; Canada angry at Britain.
  • 1906 - Algeciras Conference
    Algeciras Conference
    The Algeciras Conference of 1906 took place in Algeciras, Spain, and lasted from January 16 to April 7. The purpose of the conference was to find a solution to the First Moroccan Crisis between France and Germany, which arose as Germany attempted to prevent France from establishing a protectorate...

    . Roosevelt mediated the First Moroccan Crisis
    First Moroccan Crisis
    The First Moroccan Crisis was the international crisis over the international status of Morocco between March 1905 and May 1906. Germany resented France's increasing dominance of Morocco, and insisted on an open door policy that would allow German business access to its market...

     between France and Germany, essentially in French favor.
  • 1908-09 - America negotiates arbitration treaties with 25 countries (but not Germany)
  • 1911 - Reciprocity treaty with Canada fails on surge of Canadian nationalism
    Nationalism
    Nationalism is a political ideology that involves a strong identification of a group of individuals with a political entity defined in national terms, i.e. a nation. In the 'modernist' image of the nation, it is nationalism that creates national identity. There are various definitions for what...

     led by Conservative Party
    Conservative Party of Canada (historical)
    The Conservative Party of Canada has gone by a variety of names over the years since Canadian Confederation. Initially known as the "Liberal-Conservative Party", it dropped "Liberal" from its name in 1873, although many of its candidates continued to use this name.As a result of World War I and the...

    .
  • 1911-20 - Mexican Revolution
    Mexican Revolution
    The Mexican Revolution was a major armed struggle that started in 1910, with an uprising led by Francisco I. Madero against longtime autocrat Porfirio Díaz. The Revolution was characterized by several socialist, liberal, anarchist, populist, and agrarianist movements. Over time the Revolution...

    ; hundreds of thousands of refugees flee to America; President William Howard Taft
    William Howard Taft
    William Howard Taft was the 27th President of the United States and later the tenth Chief Justice of the United States...

     recognizes Francisco I. Madero
    Francisco I. Madero
    Francisco Ignacio Madero González was a politician, writer and revolutionary who served as President of Mexico from 1911 to 1913. As a respectable upper-class politician, he supplied a center around which opposition to the dictatorship of Porfirio Díaz could coalesce...

    's regime; Madero assassinated by Victoriano Huerta
    Victoriano Huerta
    José Victoriano Huerta Márquez was a Mexican military officer and president of Mexico. Huerta's supporters were known as Huertistas during the Mexican Revolution...

    , not recognized by America
  • 1912-25 - Nicaragua
    Nicaragua
    Nicaragua is the largest country in the Central American American isthmus, bordered by Honduras to the north and Costa Rica to the south. The country is situated between 11 and 14 degrees north of the Equator in the Northern Hemisphere, which places it entirely within the tropics. The Pacific Ocean...

    ; America controls Nicaraguan affairs through puppet
    Puppet state
    A puppet state is a nominal sovereign of a state who is de facto controlled by a foreign power. The term refers to a government controlled by the government of another country like a puppeteer controls the strings of a marionette...

     Conservative Party
    Conservative Party of Nicaragua
    The Conservative Party is a conservative political party in Nicaragua.The party's colour is green and its emblem is a torch of freedom in a circle. Its slogan is “Dios, Orden, Justicia” , often depicted on the three sides of a triangle.-History:The conservative party is the oldest currently...

     presidents under the Bryan-Chamorro Treaty
    Bryan-Chamorro Treaty
    The Bryan-Chamorro Treaty was signed on August 5, 1914 under the approval of the Taft administration. The Wilson administration changed the treaty by adding a provision similar in language to that of the Platt Amendment, which would have authorized U.S. military intervention in Nicaragua...

    .
  • 1912-41 - China. U.S. forces sent to protect American interests in China during chaotic revolution. In 1927, America had 5,670 troops ashore in China and 44 naval vessels in its waters.
  • 1914 - Veracruz Incident a standoff between America and Huerta; Congress authorizes force at president's discretion; ABC Powers try to mediate; America seizes Veracruz
    Veracruz, Veracruz
    Veracruz, officially known as Heroica Veracruz, is a major port city and municipality on the Gulf of Mexico in the Mexican state of Veracruz. The city is located in the central part of the state. It is located along Federal Highway 140 from the state capital Xalapa, and is the state's most...

    ; Huerta breaks diplomatic relations; war seems near
  • 1915 - British passenger liner RMS Lusitania
    RMS Lusitania
    RMS Lusitania was a British ocean liner designed by Leonard Peskett and built by John Brown and Company of Clydebank, Scotland. The ship entered passenger service with the Cunard Line on 26 August 1907 and continued on the line's heavily-traveled passenger service between Liverpool, England and New...

    torpedoed off Irish coast by German submarine; 1,200 dead include 128 Americans; Theodore Roosevelt demands war; Woodrow Wilson
    Woodrow Wilson
    Thomas Woodrow Wilson was the 28th President of the United States, from 1913 to 1921. A leader of the Progressive Movement, he served as President of Princeton University from 1902 to 1910, and then as the Governor of New Jersey from 1911 to 1913...

     issues strong protest
  • 1915-34 - Haiti
    Haiti
    Haiti , officially the Republic of Haiti , is a Caribbean country. It occupies the western, smaller portion of the island of Hispaniola, in the Greater Antillean archipelago, which it shares with the Dominican Republic. Ayiti was the indigenous Taíno or Amerindian name for the island...

    . U.S. forces maintained order and control customs revenue during a period of chronic political instability.
  • 1916-24 - Dominican Republic
    Dominican Republic
    The Dominican Republic is a nation on the island of La Hispaniola, part of the Greater Antilles archipelago in the Caribbean region. The western third of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands that are shared by two countries...

    ; U.S. naval forces maintained order and control customs revenue during a period of chronic and threatened insurrection.
  • 1916 - Pancho Villa
    Pancho Villa
    José Doroteo Arango Arámbula – better known by his pseudonym Francisco Villa or its hypocorism Pancho Villa – was one of the most prominent Mexican Revolutionary generals....

     raid into America; the Mexican Punitive Expedition
    Pancho Villa Expedition
    The Pancho Villa Expedition—officially known in the United States as the Mexican Expedition and sometimes colloquially referred to as the Punitive Expedition—was a military operation conducted by the United States Army against the paramilitary forces of Mexican insurgent Francisco "Pancho" Villa...

     under John J. Pershing
    John J. Pershing
    John Joseph "Black Jack" Pershing, GCB , was a general officer in the United States Army who led the American Expeditionary Forces in World War I...

     chases Villa deep into Mexico; verge of war
  • 1917 - Zimmermann Telegram
    Zimmermann Telegram
    The Zimmermann Telegram was a 1917 diplomatic proposal from the German Empire to Mexico to make war against the United States. The proposal was caught by the British before it could get to Mexico. The revelation angered the Americans and led in part to a U.S...

    . Germany proposes military alliance between Germany and Mexico against America. Publication outrages American opinion; Mexico rejects proposal.
  • 1917 - April. America declares war on Germany and Austria (but not Turkey
    Turkey
    Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

     or Bulgaria
    Bulgaria
    Bulgaria , officially the Republic of Bulgaria , is a parliamentary democracy within a unitary constitutional republic in Southeast Europe. The country borders Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, as well as the Black Sea to the east...

    ); remains independent of Great Britain and France
  • 1917 - Lansing-Ishii Agreement
    Lansing-Ishii Agreement
    The ' was a diplomatic note signed between the United States and the Empire of Japan on 2 November 1917 over their disputes with regards to China....

    . America recognizes Japan's claim to special interests in China, particularly in contiguous territory. Objection to Japan assuming German Asian territories.
  • 1918 - Fourteen Points
    Fourteen Points
    The Fourteen Points was a speech given by United States President Woodrow Wilson to a joint session of Congress on January 8, 1918. The address was intended to assure the country that the Great War was being fought for a moral cause and for postwar peace in Europe...

    . Statement of American war aims by Wilson, served as basis for Treaty of Versailles
    Treaty of Versailles
    The Treaty of Versailles was one of the peace treaties at the end of World War I. It ended the state of war between Germany and the Allied Powers. It was signed on 28 June 1919, exactly five years after the assassination of Archduke Franz Ferdinand. The other Central Powers on the German side of...

     and the League of Nations
    League of Nations
    The League of Nations was an intergovernmental organization founded as a result of the Paris Peace Conference that ended the First World War. It was the first permanent international organization whose principal mission was to maintain world peace...

    .
  • 1919 - Versailles Treaty - Wilson one of "The Big Four" negotiators; signed by Wilson but not ratified by Senate.
  • 1919 - League of Nations - part of Versailles Treaty; America did not join.
  • 1922 - Washington Naval Conference
    Washington Naval Conference
    The Washington Naval Conference also called the Washington Arms Conference, was a military conference called by President Warren G. Harding and held in Washington from 12 November 1921 to 6 February 1922. Conducted outside the auspices of the League of Nations, it was attended by nine nations...

     held in Washington, D.C.
    Washington, D.C.
    Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

     concluding in the Four-Power Treaty
    Four-Power Treaty
    The ' was a treaty signed by the United States, Great Britain, France and Japan at the Washington Naval Conference on 13 December 1921. It was partly a follow-on to the Lansing-Ishii Treaty, signed between the U.S...

    , Five-Power Treaty
    Washington Naval Treaty
    The Washington Naval Treaty, also known as the Five-Power Treaty, was an attempt to cap and limit, and "prevent 'further' costly escalation" of the naval arms race that had begun after World War I between various International powers, each of which had significant naval fleets. The treaty was...

    , and Nine-Power Treaty
    Nine-Power Treaty
    The ' or Nine Power Agreement(Chinese:九國公約) was a treaty affirming the sovereignty and territorial integrity of China as per the Open Door Policy, signed by all of the attendees to the Washington Naval Conference on 6 February 1922....

    ; major naval disarmament
  • 1924 - American-led conference results in the Dawes Plan
    Dawes Plan
    The Dawes Plan was an attempt in 1924, following World War I for the Triple Entente to collect war reparations debt from Germany...

    . Eased reparations for Germany and improvement of its economic situation.
  • 1926-33 - Nicaragua
    Nicaragua
    Nicaragua is the largest country in the Central American American isthmus, bordered by Honduras to the north and Costa Rica to the south. The country is situated between 11 and 14 degrees north of the Equator in the Northern Hemisphere, which places it entirely within the tropics. The Pacific Ocean...

    ; The coup d'état
    Coup d'état
    A coup d'état state, literally: strike/blow of state)—also known as a coup, putsch, and overthrow—is the sudden, extrajudicial deposition of a government, usually by a small group of the existing state establishment—typically the military—to replace the deposed government with another body; either...

     of General Emiliano Chamorro Vargas
    Emiliano Chamorro Vargas
    Emiliano Chamorro Vargas was the President of Nicaragua from 1 January 1917 to 1 January 1921 and again from 14 March 1926 to 11 November 1926....

     aroused revolutionary activities leading to the landing of U.S. Marines intermittently until January 3, 1933.
  • 1927 - Naval Disarmament Conference in Geneva
    Geneva
    Geneva In the national languages of Switzerland the city is known as Genf , Ginevra and Genevra is the second-most-populous city in Switzerland and is the most populous city of Romandie, the French-speaking part of Switzerland...

    ; failure to reach an agreement.
  • 1927 - Clark Memorandum
    Clark Memorandum
    The Clark Memorandum on the Monroe Doctrine or Clark Memorandum, written on December 17, 1928 by Calvin Coolidge’s undersecretary of state J. Reuben Clark, concerned the United States' use of military force to intervene in Latin American nations...

     repudiates Roosevelt Corollary
    Roosevelt Corollary
    -Background:In late 1902, Britain, Germany, and Italy implemented a naval blockade of several months against Venezuela because of President Cipriano Castro's refusal to pay foreign debts and damages suffered by European citizens in a recent Venezuelan civil war. The incident was called the...

     to Monroe Doctrine
    Monroe Doctrine
    The Monroe Doctrine is a policy of the United States introduced on December 2, 1823. It stated that further efforts by European nations to colonize land or interfere with states in North or South America would be viewed as acts of aggression requiring U.S. intervention...

    .
  • 1928 - Kellogg-Briand Pact
    Kellogg-Briand Pact
    The Kellogg–Briand Pact was an agreement signed on August 27, 1928, by the United States, France, the United Kingdom, Italy, Japan, Weimar Germany and a number of other countries.The pact renounced war , prohibiting the use of war...

    , multilateral treaty outlawing War by moral force of 60 signatory nations.
  • 1929 - Young Plan
    Young Plan
    The Young Plan was a program for settlement of German reparations debts after World War I written in 1929 and formally adopted in 1930. It was presented by the committee headed by American Owen D. Young. After the Dawes Plan was put into operation , it became apparent that Germany could not meet...

     reduces amount of reparations
    World War I reparations
    World War I reparations refers to the payments and transfers of property and equipment that Germany was forced to make under the Treaty of Versailles following its defeat during World War I...

     due from Germany to $8.0 billion over 58 years.
  • 1930 - Smoot-Hawley Tariff Act
    Smoot-Hawley Tariff Act
    The Tariff Act of 1930, otherwise known as the Smoot–Hawley Tariff was an act, sponsored by United States Senator Reed Smoot and Representative Willis C. Hawley, and signed into law on June 17, 1930, that raised U.S. tariffs on over 20,000 imported goods to record levels.The overall level tariffs...

     raised American tariffs on imports; 1000 economists protest it will worsen depression; retaliation by Canada and others.
  • 1931 - Stimson Doctrine
    Stimson Doctrine
    The Stimson Doctrine is a policy of the United States federal government, enunciated in a note of January 7, 1932, to Japan and China, of non-recognition of international territorial changes that were executed by force. The doctrine was an application of the principle of ex injuria jus non oritur...

     America will not recognize Japanese takeover of parts of China; policy endorsed by the League of Nations.
  • 1932 - Lausanne Conference
    Lausanne Conference of 1932
    The Lausanne Conference was a 1932 meeting of representatives from Great Britain, Germany, and France that resulted in an agreement to suspend World War I reparations payments imposed on the defeated countries by the Treaty of Versailles...

     cancels 90% of reparations owed by Germany; remainder is never paid
  • 1933 - Montevideo Convention
    Montevideo Convention
    The Montevideo Convention on the Rights and Duties of States was a treaty signed at Montevideo, Uruguay, on December 26, 1933, during the Seventh International Conference of American States. The Convention codified the declarative theory of statehood as accepted as part of customary international...

    . President Franklin D. Roosevelt
    Franklin D. Roosevelt
    Franklin Delano Roosevelt , also known by his initials, FDR, was the 32nd President of the United States and a central figure in world events during the mid-20th century, leading the United States during a time of worldwide economic crisis and world war...

     declares the "Good Neighbor Policy
    Good Neighbor policy
    The Good Neighbor policy was the foreign policy of the administration of United States President Franklin Roosevelt toward the countries of Latin America. Its main principle was that of non-intervention and non-interference in the domestic affairs of Latin America...

    ", U.S. opposition to armed intervention in inter-American affairs.
  • 1933 - London Economic Conference
    London Economic Conference
    The London Economic Conference was a meeting of representatives of 66 nations from June 12 to July 27, 1933, at the Geological Museum in London. Its purpose was to win agreement on measures to fight global depression, revive international trade, and stabilize currency exchange rates.The Conference...

    , to deal with Great Depression
    Great Depression
    The Great Depression was a severe worldwide economic depression in the decade preceding World War II. The timing of the Great Depression varied across nations, but in most countries it started in about 1929 and lasted until the late 1930s or early 1940s...

    , collapses after U.S. withdraws.
  • 1933 - U.S. extends diplomatic recognition of the Soviet Union
    Soviet Union
    The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

    .
  • 1935 - Neutrality Act of 1935; when war breaks out prohibits all arms shipments (allowing shipment of oil, steel, chemicals); U.S. citizens can travel on belligerent ships only at own risk
  • 1936 - Neutrality Act of 1936; no loans to belligerents
  • 1936 - Spanish Civil War
    Spanish Civil War
    The Spanish Civil WarAlso known as The Crusade among Nationalists, the Fourth Carlist War among Carlists, and The Rebellion or Uprising among Republicans. was a major conflict fought in Spain from 17 July 1936 to 1 April 1939...

    ; U.S. neutral; American Catholics support Nationalist forces; left-wing elments support Republican forces
  • 1937 - Neutrality Act of 1937; 1935 laws apply to civil wars
  • 1937 - Japan invades China, with full-scale war and many atrocities against Chinese; Japan conquers major cities and seacoast; Americans strongly sympathetic to China; Roosevelt does not invoke neutrality laws
  • 1938 - Munich Pact sacrifices Czechoslovakia in the name of appeasement
    Appeasement
    The term appeasement is commonly understood to refer to a diplomatic policy aimed at avoiding war by making concessions to another power. Historian Paul Kennedy defines it as "the policy of settling international quarrels by admitting and satisfying grievances through rational negotiation and...

    ; U.S. does not object
  • 1939 - World War II
    World War II
    World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

     begins, America initially neutral.
  • 1941 - Attack on Pearl Harbor
    Attack on Pearl Harbor
    The attack on Pearl Harbor was a surprise military strike conducted by the Imperial Japanese Navy against the United States naval base at Pearl Harbor, Hawaii, on the morning of December 7, 1941...

    . United States is attacked by Japanese forces during World War II, bringing America into the conflict.
  • 1941 - Atlantic Charter
    Atlantic Charter
    The Atlantic Charter was a pivotal policy statement first issued in August 1941 that early in World War II defined the Allied goals for the post-war world. It was drafted by Britain and the United States, and later agreed to by all the Allies...

    . Roosevelt and Winston Churchill
    Winston Churchill
    Sir Winston Leonard Spencer-Churchill, was a predominantly Conservative British politician and statesman known for his leadership of the United Kingdom during the Second World War. He is widely regarded as one of the greatest wartime leaders of the century and served as Prime Minister twice...

     agree (1) no territorial gains sought by America or Great Britain, (2) territorial adjustments must conform to people involved, (3) people have right to choose their own govt. (4) trade barriers lowered, (5) there must be disarmament, (6) there must be freedom from want and fear ("Four Freedoms
    Four Freedoms
    The Four Freedoms were goals articulated by US President Franklin D. Roosevelt on January 6, 1941. In an address known as the Four Freedoms speech , he proposed four fundamental freedoms that people "everywhere in the world" ought to enjoy:# Freedom of speech and expression# Freedom of worship#...

    " of FDR), (7) there must be freedom of the seas, (8) there must be an association of nations. Charter is accepted by Allies, who call themselves "the United Nations"
  • 1943 - Cairo Conference
    Cairo Conference
    The Cairo Conference of November 22–26, 1943, held in Cairo, Egypt, addressed the Allied position against Japan during World War II and made decisions about postwar Asia...

    . Roosevelt, Churchill and Chiang Kai-shek
    Chiang Kai-shek
    Chiang Kai-shek was a political and military leader of 20th century China. He is known as Jiǎng Jièshí or Jiǎng Zhōngzhèng in Mandarin....

      meet to make decisions about postwar Asia: Japan returns all territory, independent Korea.
  • 1943 - Casablanca Conference
    Casablanca Conference (1943)
    The Casablanca Conference was held at the Anfa Hotel in Casablanca, Morocco, then a French protectorate, from January 14 to 24, 1943, to plan the European strategy of the Allies during World War II. Present were Franklin D...

    . Roosevelt and Churchill meet to plan European strategy. Unconditional surrender of Axis countries demanded, Soviet aid and participation, invasion of Sicily
    Sicily
    Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

     and Italy planned
  • 1943 - Tehran Conference
    Tehran Conference
    The Tehran Conference was the meeting of Joseph Stalin, Franklin D. Roosevelt and Winston Churchill between November 28 and December 1, 1943, most of which was held at the Soviet Embassy in Tehran, Iran. It was the first World War II conference amongst the Big Three in which Stalin was present...

    . Roosevelt and Churchil meet with Stalin
  • 1944 - Monetary and Financial Conference
    United Nations Monetary and Financial Conference
    The United Nations Monetary and Financial Conference, commonly known as the Bretton Woods conference, was a gathering of 730 delegates from all 44 Allied nations at the Mount Washington Hotel, situated in Bretton Woods, New Hampshire, to regulate the international monetary and financial order after...

     held in July in Bretton Woods
    Bretton Woods, New Hampshire
    Bretton Woods is an area within the town of Carroll, New Hampshire, USA, whose principal points of interest are three leisure and recreation facilities...

    , New Hampshire; International Monetary Fund
    International Monetary Fund
    The International Monetary Fund is an organization of 187 countries, working to foster global monetary cooperation, secure financial stability, facilitate international trade, promote high employment and sustainable economic growth, and reduce poverty around the world...

     and International Bank for Reconstruction and Development
    International Bank for Reconstruction and Development
    The International Bank for Reconstruction and Development is one of five institutions that compose the World Bank Group. The IBRD is an international organization whose original mission was to finance the reconstruction of nations devastated by World War II. Now, its mission has expanded to fight...

     (World Bank
    World Bank Group
    The World Bank Group is a family of five international organizations that makes leveraged loans, generally to poor countries.The Bank came into formal existence on 27 December 1945 following international ratification of the Bretton Woods agreements, which emerged from the United Nations Monetary...

    ) created to aid nations devastated by the war and to stabilize the international monetary system.
  • 1944 - Dumbarton Oaks Conference
    Dumbarton Oaks Conference
    The Dumbarton Oaks Conference or, more formally, the Washington Conversations on International Peace and Security Organization was an international conference at which the United Nations was formulated and negotiated among international leaders...

     held in August in Washington;
  • 1945 - February 4–11 Yalta Conference
    Yalta Conference
    The Yalta Conference, sometimes called the Crimea Conference and codenamed the Argonaut Conference, held February 4–11, 1945, was the wartime meeting of the heads of government of the United States, the United Kingdom, and the Soviet Union, represented by President Franklin D...

     with Joseph Stalin
    Joseph Stalin
    Joseph Vissarionovich Stalin was the Premier of the Soviet Union from 6 May 1941 to 5 March 1953. He was among the Bolshevik revolutionaries who brought about the October Revolution and had held the position of first General Secretary of the Communist Party of the Soviet Union's Central Committee...

     and Churchill; agreement on division of Eastern Europe
    Eastern Europe
    Eastern Europe is the eastern part of Europe. The term has widely disparate geopolitical, geographical, cultural and socioeconomic readings, which makes it highly context-dependent and even volatile, and there are "almost as many definitions of Eastern Europe as there are scholars of the region"...

  • 1945 - Surrender of Germany (V-E Day
    Victory in Europe Day
    Victory in Europe Day commemorates 8 May 1945 , the date when the World War II Allies formally accepted the unconditional surrender of the armed forces of Nazi Germany and the end of Adolf Hitler's Third Reich. The formal surrender of the occupying German forces in the Channel Islands was not...

    )
  • 1945 - July 17 - August 2 Potsdam Conference
    Potsdam Conference
    The Potsdam Conference was held at Cecilienhof, the home of Crown Prince Wilhelm Hohenzollern, in Potsdam, occupied Germany, from 16 July to 2 August 1945. Participants were the Soviet Union, the United Kingdom, and the United States...

    ; President Harry S. Truman
    Harry S. Truman
    Harry S. Truman was the 33rd President of the United States . As President Franklin D. Roosevelt's third vice president and the 34th Vice President of the United States , he succeeded to the presidency on April 12, 1945, when President Roosevelt died less than three months after beginning his...

     meets with Stalin and British Prime Minister Clement Attlee
    Clement Attlee
    Clement Richard Attlee, 1st Earl Attlee, KG, OM, CH, PC, FRS was a British Labour politician who served as the Prime Minister of the United Kingdom from 1945 to 1951, and as the Leader of the Labour Party from 1935 to 1955...

    ; tells Stalin of atomic bomb
    Nuclear weapon
    A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter. The first fission bomb test released the same amount...

    ; gives Japan last warning to surrender
    Potsdam Declaration
    The Potsdam Declaration or the Proclamation Defining Terms for Japanese Surrender is a statement calling for the Surrender of Japan in World War II. On July 26, 1945, United States President Harry S...

    ; Germany (and Austria) divided into 4 zones of occupation
  • 1945 - United Nations
    United Nations
    The United Nations is an international organization whose stated aims are facilitating cooperation in international law, international security, economic development, social progress, human rights, and achievement of world peace...

     is established at San Francisco Conference on International Organization
    United Nations Conference on International Organization
    The United Nations Conference on International Organization was a convention of delegates from 50 Allied nations that took place from 25 April 1945 to 26 June 1945 in San Francisco, California. At this convention, the delegates reviewed and rewrote the Dumbarton Oaks agreements...

    . Security Council
    United Nations Security Council
    The United Nations Security Council is one of the principal organs of the United Nations and is charged with the maintenance of international peace and security. Its powers, outlined in the United Nations Charter, include the establishment of peacekeeping operations, the establishment of...

     veto powers established.
  • 1945 - June 26 - United Nations Charter
    United Nations Charter
    The Charter of the United Nations is the foundational treaty of the international organization called the United Nations. It was signed at the San Francisco War Memorial and Performing Arts Center in San Francisco, United States, on 26 June 1945, by 50 of the 51 original member countries...

     signed in San Francisco. America becomes a founding member and has veto power on the Security Council along with Great Britain, France, China and the Soviet Union.
  • 1945 - August--Nuclear bombing of Hiroshima and Nagasaki; surrender of Japan (V-J Day
    Victory over Japan Day
    Victory over Japan Day is a name chosen for the day on which the Surrender of Japan occurred, effectively ending World War II, and subsequent anniversaries of that event...

    ); beginning of the nuclear age.
  • 1945-47 - Marshall Mission
    Marshall Mission
    The Marshall Mission was a failed diplomatic mission undertaken by United States Army General George C. Marshall to China in an attempt to negotiate the Communist Party of China and the Nationalists into a unified government.-Historical background:The end of the Second World War on 15 August...

     to China tries and fails to force coalition government of nationalists and Communists
    Communism
    Communism is a social, political and economic ideology that aims at the establishment of a classless, moneyless, revolutionary and stateless socialist society structured upon common ownership of the means of production...

  • 1947 - Truman Doctrine
    Truman Doctrine
    The Truman Doctrine was a policy set forth by U.S. President Harry S Truman in a speech on March 12, 1947 stating that the U.S. would support Greece and Turkey with economic and military aid to prevent their falling into the Soviet sphere...

     gives military and economic aid to Greece and Turkey to halt spread of Communism
  • 1947-89 - Cold War
    Cold War
    The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...

    , the period of tension and hostility between America, Western Europe
    Western Europe
    Western Europe is a loose term for the collection of countries in the western most region of the European continents, though this definition is context-dependent and carries cultural and political connotations. One definition describes Western Europe as a geographic entity—the region lying in the...

    , and Japan, and Eastern Europe
    Eastern Europe
    Eastern Europe is the eastern part of Europe. The term has widely disparate geopolitical, geographical, cultural and socioeconomic readings, which makes it highly context-dependent and even volatile, and there are "almost as many definitions of Eastern Europe as there are scholars of the region"...

    , China and the Soviet Union.
  • 1947 - General Agreement on Tariffs and Trade
    General Agreement on Tariffs and Trade
    The General Agreement on Tariffs and Trade was negotiated during the UN Conference on Trade and Employment and was the outcome of the failure of negotiating governments to create the International Trade Organization . GATT was signed in 1947 and lasted until 1993, when it was replaced by the World...

    . Signed in Geneva by 23 nations including America, membership has since increased, for the purpose of eliminating trade barriers of all kinds on industrial and agricultural goods.
  • 1948-51 - Marshall Plan
    Marshall Plan
    The Marshall Plan was the large-scale American program to aid Europe where the United States gave monetary support to help rebuild European economies after the end of World War II in order to combat the spread of Soviet communism. The plan was in operation for four years beginning in April 1948...

     (formally, "European Recovery Plan"); U.S. gives out $11 billion to rebuild and modernize Western European economies. Increased trade between Europe and the America; no repayment asked for.
  • 1948 - Berlin Blockade
    Berlin Blockade
    The Berlin Blockade was one of the first major international crises of the Cold War and the first resulting in casualties. During the multinational occupation of post-World War II Germany, the Soviet Union blocked the Western Allies' railway and road access to the sectors of Berlin under Allied...

     imposed on June 24 by the Soviet Union, blocking traffic into western sectors of Berlin, followed by Operation Vittles, America airlifted massive amounts of food, fuel and supplies into city. Soviet blockade lifted on May 12, 1949.
  • 1949 - America and eleven other nations sign the North Atlantic Treaty
    North Atlantic Treaty
    The North Atlantic Treaty is the treaty that brought NATO into existence, signed in Washington, D.C. on 4 April 1949. The original twelve nations that signed it and thus became the founding members of NATO were:...

    , creating NATO, a military alliance with the purpose of countering the Soviet Union and its allies.
  • 1949 Dean Acheson becomes Secretary of State
  • 1950-53 - Korean War
    Korean War
    The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...

    ; U.N. orders defense of South Korea against invasion by North Korea
    North Korea
    The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

    . (Soviet Union boycotted U.N. and did not veto.) U.S. forces deployed in Korea exceeded 300,000 during the last year of the conflict.
  • 1951 - ANZUS Treaty united America, Australia and New Zealand in a defensive regional pact
  • 1952 - Guatemala
    Guatemala
    Guatemala is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, and Honduras and El Salvador to the southeast...

    . Central Intelligence Agency
    Central Intelligence Agency
    The Central Intelligence Agency is a civilian intelligence agency of the United States government. It is an executive agency and reports directly to the Director of National Intelligence, responsible for providing national security intelligence assessment to senior United States policymakers...

     attempts to overthrow Guatemalan president Jacobo Arbenz Guzmán
    Jacobo Arbenz Guzmán
    Colonel Jacobo Árbenz Guzmán was a Guatemalan military officer and politician who served as Defense Minister of Guatemala from 1944–1951, and as President of Guatemala from 1951 to 1954....

     in collaboration with Nicaraguan leader Anastasio Somoza García
    Anastasio Somoza García
    Anastasio Somoza García was officially the President of Nicaragua from 1 January 1937 to 1 May 1947 and from 21 May 1950 to 29 September 1956, but ruled effectively as dictator from 1936 until his assassination.-Biography:Somoza was born in San Marcos, Carazo Department in Nicaragua, the son of...

    , authorized by President Truman. The mission is known as Operation PBFORTUNE
    Operation PBFORTUNE
    Operation PBFORTUNE was the name of a contingency plan drafted by the U.S. Central Intelligence Agency in 1951 that outlined a method of ousting Guatemalan President Jacobo Arbenz if he was deemed a Communist threat in the hemisphere...

    .
  • 1953 - Iran
    Iran
    Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

    . U.S., and U.K. governments support shah
    Mohammad Reza Pahlavi
    Mohammad Rezā Shāh Pahlavi, Shah of Iran, Shah of Persia , ruled Iran from 16 September 1941 until his overthrow by the Iranian Revolution on 11 February 1979...

    's coup against Prime Minister
    Prime Minister of Iran
    Prime Minister of Iran was a political post in Iran that had existed during several different periods of time starting with the Qajar era until its most recent revival from 1979 to 1989 following the Iranian Revolution.-Prime Ministers of Qajar era:In the Qajar era, prime ministers were known by...

     Mohammed Mosaddeq
  • 1954-77 - SEATO
    Southeast Asia Treaty Organization
    The Southeast Asia Treaty Organization was an international organization for collective defense in Southeast Asia created by the Southeast Asia Collective Defense Treaty, or Manila Pact, signed in September 1954 in Manila, Philippines. The formal institution of SEATO was established on 19 February...

     alliance in Southeast Asia
    Southeast Asia
    Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...

    . South Vietnam
    South Vietnam
    South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

     not a signatory
  • 1954 - Baghdad Pact. Central Treaty Organization
    Central Treaty Organization
    The Central Treaty Organization was formed in 1955 by Iran, Iraq, Pakistan, Turkey, and the United Kingdom. It was dissolved in 1979.U.S...

     (or CENTO
    Cento
    Cento is a city and comune in the province of Ferrara, part of the region Emilia-Romagna . In Italian "cento" means 100.-History:The name Cento is a reference to the centuriation of the Po Valley...

    ) initiated by John Foster Dulles
    John Foster Dulles
    John Foster Dulles served as U.S. Secretary of State under President Dwight D. Eisenhower from 1953 to 1959. He was a significant figure in the early Cold War era, advocating an aggressive stance against communism throughout the world...

    , members were Iran
    Iran
    Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

    , Iraq
    Iraq
    Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

    , Pakistan
    Pakistan
    Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

    , and Turkey
    Turkey
    Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

    , U.S. aid.
  • 1954 - Guatemala
    Guatemala
    Guatemala is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, and Honduras and El Salvador to the southeast...

    . Dwight D. Eisenhower
    Dwight D. Eisenhower
    Dwight David "Ike" Eisenhower was the 34th President of the United States, from 1953 until 1961. He was a five-star general in the United States Army...

     authorizes Operation PBSUCCESS
    Operation PBSUCCESS
    The 1954 Guatemalan coup d'état was a covert operation organized by the United States Central Intelligence Agency to overthrow Jacobo Árbenz Guzmán, the democratically-elected President of Guatemala....

    , a program of "psychological warfare and political action" and "subversion," that succeeds in removing the government of Jacobo Arbenz Guzmán
    Jacobo Arbenz Guzmán
    Colonel Jacobo Árbenz Guzmán was a Guatemalan military officer and politician who served as Defense Minister of Guatemala from 1944–1951, and as President of Guatemala from 1951 to 1954....

     with the help of Guatemalan military general Carlos Castillo Armas
    Carlos Castillo Armas
    Carlos Castillo Armas was a Guatemalan Colonel who came to power in a CIA-orchestrated coup in 1954. He held the title of President of Guatemala from July 8, 1954 until his assassination in 1957.-The coup:...

    .
  • 1957 - Eisenhower Doctrine
    Eisenhower Doctrine
    The term Eisenhower Doctrine refers to a speech by President Dwight David Eisenhower on 5 January 1957, within a "Special Message to the Congress on the Situation in the Middle East". Under the Eisenhower Doctrine, a country could request American economic assistance and/or aid from U.S. military...

     gives the president authority to determine the necessity to assist any nation requesting assistance against armed aggression from any country controlled by international communism, applied in Lebanon
    Lebanon
    Lebanon , officially the Republic of LebanonRepublic of Lebanon is the most common term used by Lebanese government agencies. The term Lebanese Republic, a literal translation of the official Arabic and French names that is not used in today's world. Arabic is the most common language spoken among...

     the following year.
  • 1957 - Americans embarrassed when Soviets launch Sputnik space satellite
    Sputnik 1
    Sputnik 1 ) was the first artificial satellite to be put into Earth's orbit. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957. The unanticipated announcement of Sputnik 1s success precipitated the Sputnik crisis in the United States and ignited the Space...

     and leapfrog America in high technology.
  • 1958 - U.S. foreign aid appropriation, $3.2 billion for military and economic aid; lending authority of the Export-Import Bank raised to $7 billion; U.S. admits 32,000 Hungarian refugees from 1956 revolt
  • 1959 - Cuba
    Cuba
    The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

    . Fidel Castro
    Fidel Castro
    Fidel Alejandro Castro Ruz is a Cuban revolutionary and politician, having held the position of Prime Minister of Cuba from 1959 to 1976, and then President from 1976 to 2008. He also served as the First Secretary of the Communist Party of Cuba from the party's foundation in 1961 until 2011...

     comes to power. first of 1 million Cuban exile
    Cuban exile
    The term "Cuban exile" refers to the many Cubans who have sought alternative political or economic conditions outside the island, dating back to the Ten Years' War and the struggle for Cuban independence during the 19th century...

    s go to U.S., concentrating in Miami
    Miami, Florida
    Miami is a city located on the Atlantic coast in southeastern Florida and the county seat of Miami-Dade County, the most populous county in Florida and the eighth-most populous county in the United States with a population of 2,500,625...

    , Florida
    Florida
    Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

  • 1960 - Nikita Khrushchev
    Nikita Khrushchev
    Nikita Sergeyevich Khrushchev led the Soviet Union during part of the Cold War. He served as First Secretary of the Communist Party of the Soviet Union from 1953 to 1964, and as Chairman of the Council of Ministers, or Premier, from 1958 to 1964...

     cancels summit conference with Eisenhower after U.S. U-2
    Lockheed U-2
    The Lockheed U-2, nicknamed "Dragon Lady", is a single-engine, very high-altitude reconnaissance aircraft operated by the United States Air Force and previously flown by the Central Intelligence Agency . It provides day and night, very high-altitude , all-weather intelligence gathering...

     spy plane shot down over the Soviet Union
  • 1960 - Act of Bogotá
    Bogotá
    Bogotá, Distrito Capital , from 1991 to 2000 called Santa Fé de Bogotá, is the capital, and largest city, of Colombia. It is also designated by the national constitution as the capital of the department of Cundinamarca, even though the city of Bogotá now comprises an independent Capital district...

     makes social reform a prior condition for American economic aid
  • 1960 - Cuba
    Cuba
    The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

    . America suspends sugar quota; (sugar was 80% of Cuban exports to America); Soviet Union agrees to buy Cuban sugar and provide oil; Cuba seizes $1.5 billion of American properties; America imposes complete trade embargo (except food, medicine);
  • 1961 - President John F. Kennedy
    John F. Kennedy
    John Fitzgerald "Jack" Kennedy , often referred to by his initials JFK, was the 35th President of the United States, serving from 1961 until his assassination in 1963....

     launches Space Race
    Space Race
    The Space Race was a mid-to-late 20th century competition between the Soviet Union and the United States for supremacy in space exploration. Between 1957 and 1975, Cold War rivalry between the two nations focused on attaining firsts in space exploration, which were seen as necessary for national...

    , promising Americans on the Moon
    Moon
    The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

    ; they landed
    Apollo 11
    In early 1969, Bill Anders accepted a job with the National Space Council effective in August 1969 and announced his retirement as an astronaut. At that point Ken Mattingly was moved from the support crew into parallel training with Anders as backup Command Module Pilot in case Apollo 11 was...

     July 20, 1969
  • 1961 McGeorge Bundy becomes U.S. National Security Advisor.
  • 1961 - Cuba
    Cuba
    The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

    . America breaks diplomatic relations as Castro aligns with Soviet Union.
  • 1961 - Alliance for Progress
    Alliance for Progress
    The Alliance for Progress initiated by U.S. President John F. Kennedy in 1961 aimed to establish economic cooperation between the U.S. and South America.-Origin and goals:...

    . inter-regional agreement funded by America to counter the growing regional appeal of the Cuban Revolution
    Cuban Revolution
    The Cuban Revolution was an armed revolt by Fidel Castro's 26th of July Movement against the regime of Cuban dictator Fulgencio Batista between 1953 and 1959. Batista was finally ousted on 1 January 1959, and was replaced by a revolutionary government led by Castro...

    .
  • 1961 - Bay of Pigs Invasion
    Bay of Pigs Invasion
    The Bay of Pigs Invasion was an unsuccessful action by a CIA-trained force of Cuban exiles to invade southern Cuba, with support and encouragement from the US government, in an attempt to overthrow the Cuban government of Fidel Castro. The invasion was launched in April 1961, less than three months...

     in April; CIA-trained Cuban exiles invaded Cuba and were defeated at the Bay of Pigs
    Bay of Pigs
    The Bay of Pigs is an inlet of the Gulf of Cazones on the southern coast of Cuba. By 1910, it was included in Santa Clara Province, and then instead to Las Villas Province by 1961, but in 1976, it was re-assigned to Matanzas Province, when the original six provinces of Cuba were re-organized into...

    ; captured and ransomed by President Kennedy
  • 1961 - Berlin Crisis
    Checkpoint Charlie
    Checkpoint Charlie was the name given by the Western Allies to the best-known Berlin Wall crossing point between East Berlin and West Berlin during the Cold War....

    . Soviets give East Germany
    German Democratic Republic
    The German Democratic Republic , informally called East Germany by West Germany and other countries, was a socialist state established in 1949 in the Soviet zone of occupied Germany, including East Berlin of the Allied-occupied capital city...

     control over East Berlin
    East Berlin
    East Berlin was the name given to the eastern part of Berlin between 1949 and 1990. It consisted of the Soviet sector of Berlin that was established in 1945. The American, British and French sectors became West Berlin, a part strongly associated with West Germany but a free city...

    ; in August the Berlin Wall
    Berlin Wall
    The Berlin Wall was a barrier constructed by the German Democratic Republic starting on 13 August 1961, that completely cut off West Berlin from surrounding East Germany and from East Berlin...

     is built to stem wave of refugees escaping to the Western side. Kennedy proclaims "Ich bin ein Berliner
    Ich bin ein Berliner
    "Ich bin ein Berliner" is a quotation from a June 26, 1963, speech by U.S. President John F. Kennedy in West Berlin. He was underlining the support of the United States for West Germany 22 months after the Soviet-supported East Germany erected the Berlin Wall as a barrier to prevent movement...

    " ("I am a citizen of Berlin") to cheering West Berlin
    West Berlin
    West Berlin was a political exclave that existed between 1949 and 1990. It comprised the western regions of Berlin, which were bordered by East Berlin and parts of East Germany. West Berlin consisted of the American, British, and French occupation sectors, which had been established in 1945...

    ers.
  • 1962 - Organization of American States
    Organization of American States
    The Organization of American States is a regional international organization, headquartered in Washington, D.C., United States...

     (OAS) excludes Cuba, sets up trade embargo
    Embargo
    An embargo is the partial or complete prohibition of commerce and trade with a particular country, in order to isolate it. Embargoes are considered strong diplomatic measures imposed in an effort, by the imposing country, to elicit a given national-interest result from the country on which it is...

    ; dropped in 1975.
  • 1962 - Cuban Missile Crisis
    Cuban Missile Crisis
    The Cuban Missile Crisis was a confrontation among the Soviet Union, Cuba and the United States in October 1962, during the Cold War...

    . John F. Kennedy
    John F. Kennedy
    John Fitzgerald "Jack" Kennedy , often referred to by his initials JFK, was the 35th President of the United States, serving from 1961 until his assassination in 1963....

     on October 22 announces that there exist S.U. missiles in Cuba
    Cuba
    The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

     and demanded their removal while imposing an air sea blockade. S.U. missiles are withdrawn on condition that America will not invade Cuba.
  • 1963 - Partial Test Ban Treaty
    Partial Test Ban Treaty
    The treaty banning nuclear weapon tests in the atmosphere, in outer space and under water, often abbreviated as the Partial Test Ban Treaty , Limited Test Ban Treaty , or Nuclear Test Ban Treaty is a treaty prohibiting all test detonations of nuclear weapons...

    . America and the Soviet Union agreed not to conduct nuclear tests in space, in the atmosphere or underwater. Underground tests permitted; signed by 100 nations, excluding France and the People's Republic of China.
  • 1964–Military coup in Brazil
    Brazil
    Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

     overthrows the elected government of president João Goulart
    João Goulart
    João Belchior Marques Goulart was a Brazilian politician and the 24th President of Brazil until a military coup d'état deposed him on April 1, 1964. He is considered to have been the last left-wing President of the country until Luiz Inácio Lula da Silva took office in 2003.-Name:João Goulart is...

     with support from the US government.
  • 1964 - Gulf of Tonkin Resolution
    Gulf of Tonkin Resolution
    The Tonkin Gulf Resolution was a joint resolution which the United States Congress passed on August 10, 1964 in response to a sea battle between the North Vietnamese Navy's Torpedo Squadron 10135 and the destroyer on August 2 and an alleged second naval engagement between North Vietnamese boats...

     gives President Lyndon B. Johnson
    Lyndon B. Johnson
    Lyndon Baines Johnson , often referred to as LBJ, was the 36th President of the United States after his service as the 37th Vice President of the United States...

     Congressional approval to act in Vietnam
    Vietnam
    Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

    ; repealed in 1970.
  • 1965 - Indonesia
    Indonesia
    Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

    ; America supports coup against Sukarno
    Sukarno
    Sukarno, born Kusno Sosrodihardjo was the first President of Indonesia.Sukarno was the leader of his country's struggle for independence from the Netherlands and was Indonesia's first President from 1945 to 1967...

    's pro-Communist government
  • 1965 - Intervention in Dominican Republic
    Dominican Republic
    The Dominican Republic is a nation on the island of La Hispaniola, part of the Greater Antilles archipelago in the Caribbean region. The western third of the island is occupied by the nation of Haiti, making Hispaniola one of two Caribbean islands that are shared by two countries...

    .
  • 1968 - Tet Offensive in Vietnam causes political crisis at home.
  • 1969 - Henry Kissinger becomes U.S National Security Advisor.
  • 1972 - SALT I
    Strategic Arms Limitation Talks
    The Strategic Arms Limitation Treaty refers to two rounds of bilateral talks and corresponding international treaties involving the United States and the Soviet Union—the Cold War superpowers—on the issue of armament control. There were two rounds of talks and agreements: SALT I and SALT...

     signed by President Richard Nixon
    Richard Nixon
    Richard Milhous Nixon was the 37th President of the United States, serving from 1969 to 1974. The only president to resign the office, Nixon had previously served as a US representative and senator from California and as the 36th Vice President of the United States from 1953 to 1961 under...

  • 1973 - Paris Peace Accords
    Paris Peace Accords
    The Paris Peace Accords of 1973 intended to establish peace in Vietnam and an end to the Vietnam War, ended direct U.S. military involvement, and temporarily stopped the fighting between North and South Vietnam...

     end the American war
    Vietnam War
    The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

     in Vietnam; POW
    Prisoner of war
    A prisoner of war or enemy prisoner of war is a person, whether civilian or combatant, who is held in custody by an enemy power during or immediately after an armed conflict...

    's returned
  • 1973 - Chile
    Chile
    Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...

    an military coup against Salvador Allende
    Salvador Allende
    Salvador Allende Gossens was a Chilean physician and politician who is generally considered the first democratically elected Marxist to become president of a country in Latin America....

     given American approval
  • 1975 - North Vietnam
    North Vietnam
    The Democratic Republic of Vietnam , was a communist state that ruled the northern half of Vietnam from 1954 until 1976 following the Geneva Conference and laid claim to all of Vietnam from 1945 to 1954 during the First Indochina War, during which they controlled pockets of territory throughout...

     invades and conquers South Vietnam
    South Vietnam
    South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

    ; over 1 million refugees eventually come to America
  • 1978 - Camp David
    Camp David
    Camp David is the country retreat of the President of the United States and his guests. It is located in low wooded hills about 60 mi north-northwest of Washington, D.C., on the property of Catoctin Mountain Park in unincorporated Frederick County, Maryland, near Thurmont, at an elevation of...

     Accords
    Camp David Accords
    The Camp David Accords were signed by Egyptian President Anwar El Sadat and Israeli Prime Minister Menachem Begin on September 17, 1978, following thirteen days of secret negotiations at Camp David. The two framework agreements were signed at the White House, and were witnessed by United States...

    , Anwar Al Sadat, Menachem Begin
    Menachem Begin
    ' was a politician, founder of Likud and the sixth Prime Minister of the State of Israel. Before independence, he was the leader of the Zionist militant group Irgun, the Revisionist breakaway from the larger Jewish paramilitary organization Haganah. He proclaimed a revolt, on 1 February 1944,...

    , and Jimmy Carter
    Jimmy Carter
    James Earl "Jimmy" Carter, Jr. is an American politician who served as the 39th President of the United States and was the recipient of the 2002 Nobel Peace Prize, the only U.S. President to have received the Prize after leaving office...

     meet to determine "land for peace" exchange in Middle East
  • 1979 - The U.S. switches diplomatic recognition from the Republic of China
    Republic of China
    The Republic of China , commonly known as Taiwan , is a unitary sovereign state located in East Asia. Originally based in mainland China, the Republic of China currently governs the island of Taiwan , which forms over 99% of its current territory, as well as Penghu, Kinmen, Matsu and other minor...

     (Taiwan) to the People's Republic of China
    People's Republic of China
    China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

     and passes the Taiwan Relations Act
    Taiwan Relations Act
    The Taiwan Relations Act is an act of the United States Congress passed in 1979 after the establishment of diplomatic relations with the People's Republic of China and the breaking of relations between the United States and the Republic of China on the island of Taiwan by President Jimmy Carter...

    .
  • 1979-89 - The Soviet Union invades Afghanistan
    Afghanistan
    Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...

    ; America works with Pakistan
    Pakistan
    Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

     and Saudi Arabia
    Saudi Arabia
    The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

     in funding, training, and arming Muslim mujahideen
    Mujahideen
    Mujahideen are Muslims who struggle in the path of God. The word is from the same Arabic triliteral as jihad .Mujahideen is also transliterated from Arabic as mujahedin, mujahedeen, mudžahedin, mudžahidin, mujahidīn, mujaheddīn and more.-Origin of the concept:The beginnings of Jihad are traced...

     insurgency against S.U. occupation.
  • 1979 - After Afghanistan, President Carter agrees détente has failed; calls for boycott of Moscow Summer Olympics
    1980 Summer Olympics
    The 1980 Summer Olympics, officially known as the Games of the XXII Olympiad, was an international multi-sport event celebrated in Moscow in the Soviet Union. In addition, the yachting events were held in Tallinn, and some of the preliminary matches and the quarter-finals of the football tournament...

     in 1980
  • 1979-90 - Nicaragua
    Nicaragua
    Nicaragua is the largest country in the Central American American isthmus, bordered by Honduras to the north and Costa Rica to the south. The country is situated between 11 and 14 degrees north of the Equator in the Northern Hemisphere, which places it entirely within the tropics. The Pacific Ocean...

    ; America supports the Contras
    Contras
    The contras is a label given to the various rebel groups opposing Nicaragua's FSLN Sandinista Junta of National Reconstruction government following the July 1979 overthrow of Anastasio Somoza Debayle's dictatorship...

     fighting against the Sandinista government
    Sandinista National Liberation Front
    The Sandinista National Liberation Front is a socialist political party in Nicaragua. Its members are called Sandinistas in both English and Spanish...

     in Nicaragua.
  • 1979-81 - Iran
    Iran
    Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

     becomes an Islamic republic
    Islamic republic
    Islamic republic is the name given to several states in the Muslim world including the Islamic Republics of Pakistan, Iran, Afghanistan, and Mauritania. Pakistan adopted the title under the constitution of 1956. Mauritania adopted it on 28 November 1958. Iran adopted it after the 1979 Iranian...

     after the overthrow of American-backed shah; militants seize 63 American diplomats for 444 days during the Iran hostage crisis
    Iran hostage crisis
    The Iran hostage crisis was a diplomatic crisis between Iran and the United States where 52 Americans were held hostage for 444 days from November 4, 1979 to January 20, 1981, after a group of Islamist students and militants took over the American Embassy in Tehran in support of the Iranian...

    ; America seizes $12 billion in Iranian assets; American rescue effort fails; hostages and assets are freed on January 20, 1981.
  • 1980 - Cuba
    Cuba
    The Republic of Cuba is an island nation in the Caribbean. The nation of Cuba consists of the main island of Cuba, the Isla de la Juventud, and several archipelagos. Havana is the largest city in Cuba and the country's capital. Santiago de Cuba is the second largest city...

    . 125,000 Cuban refugees arrive in America during the Mariel Boatlift
    Mariel boatlift
    The Mariel boatlift was a mass emigration of Cubans who departed from Cuba's Mariel Harbor for the United States between April 15 and October 31, 1980....

    .
  • 1980-88 - Iran–Iraq War. America officially neutral in war between Iraq
    Iraq
    Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

     and Iran
    Iran
    Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

    ; America flags oil tankers to protect flow of oil in Persian Gulf
    Persian Gulf
    The Persian Gulf, in Southwest Asia, is an extension of the Indian Ocean located between Iran and the Arabian Peninsula.The Persian Gulf was the focus of the 1980–1988 Iran-Iraq War, in which each side attacked the other's oil tankers...

    , and sells arms and weaponry to both sides of the conflict.
  • 1981 - President Ronald Reagan
    Ronald Reagan
    Ronald Wilson Reagan was the 40th President of the United States , the 33rd Governor of California and, prior to that, a radio, film and television actor....

     escalates Cold War with heavy new military spending and research in new weapons; forward strategy for Navy;
  • 1983 - U.S. invades
    Invasion of Grenada
    The Invasion of Grenada, codenamed Operation Urgent Fury, was a 1983 United States-led invasion of Grenada, a Caribbean island nation with a population of about 100,000 located north of Venezuela. Triggered by a military coup which had ousted a four-year revolutionary government, the invasion...

     Grenada
    Grenada
    Grenada is an island country and Commonwealth Realm consisting of the island of Grenada and six smaller islands at the southern end of the Grenadines in the southeastern Caribbean Sea...

     in response to a coup d’état by Deputy Prime Minister Bernard Coard
    Bernard Coard
    Winston Bernard Coard was Grenadian Deputy Prime Minister in the People's Revolutionary Government of the New Jewel Movement, who placed Maurice Bishop under house arrest and took control of the government on 14 October 1983....

     on the Caribbean
    Caribbean
    The Caribbean is a crescent-shaped group of islands more than 2,000 miles long separating the Gulf of Mexico and the Caribbean Sea, to the west and south, from the Atlantic Ocean, to the east and north...

     island.
  • 1986 - Iran-Contra Affair
    Iran-Contra Affair
    The Iran–Contra affair , also referred to as Irangate, Contragate or Iran-Contra-Gate, was a political scandal in the United States that came to light in November 1986. During the Reagan administration, senior Reagan administration officials and President Reagan secretly facilitated the sale of...

    : White House
    White House
    The White House is the official residence and principal workplace of the president of the United States. Located at 1600 Pennsylvania Avenue NW in Washington, D.C., the house was designed by Irish-born James Hoban, and built between 1792 and 1800 of white-painted Aquia sandstone in the Neoclassical...

     officials sell weapons to Iran and give the profits to Contras; President Reagan embarrassed
  • 1989 - End of Eastern Bloc; fall of Berlin Wall
    Berlin Wall
    The Berlin Wall was a barrier constructed by the German Democratic Republic starting on 13 August 1961, that completely cut off West Berlin from surrounding East Germany and from East Berlin...

    ; all East European satellites break away from Moscow
  • 1990 - Panama
    Panama
    Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

    ; America invades to oust Manuel Noriega
    Manuel Noriega
    Manuel Antonio Noriega Moreno is a Panamanian politician and soldier. He was military dictator of Panama from 1983 to 1989.The 1989 invasion of Panama by the United States removed him from power; he was captured, detained as a prisoner of war, and flown to the United States. Noriega was tried on...

  • 1991 - Gulf War
    Gulf War
    The Persian Gulf War , commonly referred to as simply the Gulf War, was a war waged by a U.N.-authorized coalition force from 34 nations led by the United States, against Iraq in response to Iraq's invasion and annexation of Kuwait.The war is also known under other names, such as the First Gulf...

    ; America leads a U.N.-authorized coalition to repel an Iraqi invasion out of neighboring Kuwait
    Kuwait
    The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...

    .
  • 1991–2003 - Iraq sanctions
    Iraq sanctions
    The Iraq sanctions were a near-total financial and trade embargo imposed by the United Nations Security Council on the nation of Iraq. They began August 6, 1990, four days after Iraq's invasion of Kuwait, stayed largely in force until May 2003 , and certain portions including reparations to Kuwait...

    ; America and Great Britain maintain no-fly-zones in the north and south of Iraq with periodic bombings.
  • 1991-93 - START II
    START II
    START II was a bilateral treaty between the United States of America and Russia on the Reduction and Limitation of Strategic Offensive Arms. It was signed by United States President George H. W...

     accords held by America and Russia to limit nuclear weapons
  • 1991 - The Soviet Union is dissolved; Mikhail Gorbachev
    Mikhail Gorbachev
    Mikhail Sergeyevich Gorbachev is a former Soviet statesman, having served as General Secretary of the Communist Party of the Soviet Union from 1985 until 1991, and as the last head of state of the USSR, having served from 1988 until its dissolution in 1991...

     resigns
  • 1999 - The US and NATO bomb
    1999 NATO bombing of Yugoslavia
    The NATO bombing of Yugoslavia was NATO's military operation against the Federal Republic of Yugoslavia during the Kosovo War. The strikes lasted from March 24, 1999 to June 10, 1999...

     the FR Yugoslavia
    Serbia and Montenegro
    Serbia and Montenegro was a country in southeastern Europe, formed from two former republics of the Socialist Federal Republic of Yugoslavia : Serbia and Montenegro. Following the breakup of Yugoslavia, it was established in 1992 as a federation called the Federal Republic of Yugoslavia...

    , which brings an end to the Kosovo war
    Kosovo War
    The term Kosovo War or Kosovo conflict was two sequential, and at times parallel, armed conflicts in Kosovo province, then part of FR Yugoslav Republic of Serbia; from early 1998 to 1999, there was an armed conflict initiated by the ethnic Albanian "Kosovo Liberation Army" , who sought independence...

    .

21st century

  • 2001 - September 11 terrorist attacks, orchestrated by Al-Qaeda
    Al-Qaeda
    Al-Qaeda is a global broad-based militant Islamist terrorist organization founded by Osama bin Laden sometime between August 1988 and late 1989. It operates as a network comprising both a multinational, stateless army and a radical Sunni Muslim movement calling for global Jihad...

     terrorist network, occur on American soil.
  • 2001 - U.S. and NATO forces invade
    War in Afghanistan (2001–present)
    The War in Afghanistan began on October 7, 2001, as the armed forces of the United States of America, the United Kingdom, Australia, and the Afghan United Front launched Operation Enduring Freedom...

     Afghanistan and overthrow the Taliban.
  • 2003 - U.S.-led coalition
    Coalition Provisional Authority
    The Coalition Provisional Authority was established as a transitional government following the invasion of Iraq by the United States and its allies, members of the Multi-National Force – Iraq which was formed to oust the government of Saddam Hussein in 2003...

     invades Iraq
    Iraq
    Iraq ; officially the Republic of Iraq is a country in Western Asia spanning most of the northwestern end of the Zagros mountain range, the eastern part of the Syrian Desert and the northern part of the Arabian Desert....

     to overthrow Saddam Hussein
    Saddam Hussein
    Saddam Hussein Abd al-Majid al-Tikriti was the fifth President of Iraq, serving in this capacity from 16 July 1979 until 9 April 2003...

    ; troops remain to fight insurgency
    Iraqi insurgency
    The Iraqi Resistance is composed of a diverse mix of militias, foreign fighters, all-Iraqi units or mixtures opposing the United States-led multinational force in Iraq and the post-2003 Iraqi government...

     against the U.N.-approved elected government.
  • 2006 - President George W. Bush
    George W. Bush
    George Walker Bush is an American politician who served as the 43rd President of the United States, from 2001 to 2009. Before that, he was the 46th Governor of Texas, having served from 1995 to 2000....

     signs the United States-India Peaceful Atomic Energy Cooperation Act into law.
  • 2009 - President Barack Obama
    Barack Obama
    Barack Hussein Obama II is the 44th and current President of the United States. He is the first African American to hold the office. Obama previously served as a United States Senator from Illinois, from January 2005 until he resigned following his victory in the 2008 presidential election.Born in...

     lifts all travel restrictions to see relatives in Cuba and send remittances. However later that year, Obama approved continuing the Trading with the Enemy Act, which regulates sanctions on Cuba.
  • 2011 - New START
    New START
    New START is a nuclear arms reduction treaty between the United States of America and the Russian Federation with the formal name of Measures for the Further Reduction and Limitation of Strategic Offensive Arms...

     treaty with Russia goes into effect.
  • 2011 - Navy Seals under presidential order raid Al-Qaeda
    Al-Qaeda
    Al-Qaeda is a global broad-based militant Islamist terrorist organization founded by Osama bin Laden sometime between August 1988 and late 1989. It operates as a network comprising both a multinational, stateless army and a radical Sunni Muslim movement calling for global Jihad...

     founder Osama Bin Laden
    Osama bin Laden
    Osama bin Mohammed bin Awad bin Laden was the founder of the militant Islamist organization Al-Qaeda, the jihadist organization responsible for the September 11 attacks on the United States and numerous other mass-casualty attacks against civilian and military targets...

    's compound in Pakistan, killing Bin Laden ;seize computers, Pakistan was not informed

2011 - Have to redesign agreement with Libya after Mummar Gaddafi's death.

See also

  • Timeline of United States history
    Timeline of United States history
    This is a timeline of United States history.The United States Constitution was completed on September 17, 1787 and the history of the United States is divided below into pre- and post-constitution.-Pre-Constitution:*Pre–United States...

  • History of United States diplomatic relations by country
    History of United States diplomatic relations by country
    This is a summary history of diplomatic relations of the United States listed by country. The history of diplomatic relations of the United States began with the appointment of Benjamin Franklin as U. S. Minister to France in 1778, even before the U. S...

  • Timeline of British diplomatic history
    Timeline of British diplomatic history
    This Timeline covers the main points of British foreign policy from 1485 to the late 20th century.For recent developments see Foreign relations of the United KingdomFor general topics see Timeline of English history-16th century:...

  • List of United States treaties
  • American diplomatic missions
    American diplomatic missions
    This is a list of diplomatic missions of the United States.-History:Morocco, in December 1777, became the first nation to recognize the United States and together they maintain the United States' longest unbroken treaty.Benjamin Franklin established the first overseas mission of the United States...

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