Outline of Oregon - AbsoluteAstronomy.com

The following outline is provided as an overview of and topical guide to the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

of 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...

General reference

Names
- Common name: 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...
  - Pronunciation: ˈɒrɨɡən
- Official name: State of Oregon
- Abbreviations and name codes
  - Postal symbol: OR
  - ISO 3166-2 code: US-OR
  - Internet
    Internet
    The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide...
    
    second-level domain
    Second-level domain
    In the Domain Name System hierarchy, a second-level domain is a domain that is directly below a top-level domain . For example, in example.com, example is the second-level domain of the .com TLD....
    
    : .or.us
- Nicknames
  - Beaver
    American Beaver
    The North American Beaver is the only species of beaver in the Americas, native to North America and introduced to South America. In the United States and Canada, where no other species of beaver occurs, it is usually simply referred to as "beaver"...
    
    State
  - Union State
  - Pacific Wonderland (previously used on license plates
    Vehicle registration plates of Oregon
    The U.S. state of Oregon first required its residents to register their motor vehicles and display license plates in 1911.-Passenger baseplates 1956 to present:...
    
    )
  - Sunset State
Adjectivals
- 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...
- Oregonian
  Oregonian
  Oregonian may refer to:*Oregonian, a resident or native of the U.S. state of Oregon*the Oregonian , a train operated by the Oregon and California Railroad*The Oregonian, the daily newspaper in Portland, Oregon, United States...
Demonym: Oregonian
Oregonian
Oregonian may refer to:*Oregonian, a resident or native of the U.S. state of Oregon*the Oregonian , a train operated by the Oregon and California Railroad*The Oregonian, the daily newspaper in Portland, Oregon, United States...

Geography of Oregon

Main article: Geography of Oregon

Oregon is: a U.S. state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

, a federal state of the United States of America
Location
- Northern hemisphere
  Northern Hemisphere
  The Northern Hemisphere is the half of a planet that is north of its equator—the word hemisphere literally means “half sphere”. It is also that half of the celestial sphere north of the celestial equator...
- Western hemisphere
  Western Hemisphere
  The Western Hemisphere or western hemisphere is mainly used as a geographical term for the half of the Earth that lies west of the Prime Meridian and east of the Antimeridian , the other half being called the Eastern Hemisphere.In this sense, the western hemisphere consists of the western portions...
  - Americas
    Americas
    The Americas, or America , are lands in the Western hemisphere, also known as the New World. In English, the plural form the Americas is often used to refer to the landmasses of North America and South America with their associated islands and regions, while the singular form America is primarily...
    - North America
      North America
      North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
      - Anglo America
      - Northern America
        Northern America
        Northern America is the northernmost region of the Americas, and is part of the North American continent. It lies directly north of the region of Middle America; the land border between the two regions coincides with the border between the United States and Mexico...
        
        United States of America
        
        Contiguous United States
        Contiguous United States
        The contiguous United States are the 48 U.S. states on the continent of North America that are south of Canada and north of Mexico, plus the District of Columbia....
        
        Western United States
        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...
        
        West Coast of the United States
        West Coast of the United States
        West Coast or Pacific Coast are terms for the westernmost coastal states of the United States. The term most often refers to the states of California, Oregon, and Washington. Although not part of the contiguous United States, Alaska and Hawaii do border the Pacific Ocean but can't be included in...
        
        Northwestern United States
        Northwestern United States
        The Northwestern United States comprise the northwestern states up to the western Great Plains regions of the United States, and consistently include the states of Oregon, Washington, Idaho, Montana, Wyoming, to which part of southeast Alaska is also sometimes included...
        
        Pacific Northwest
        Pacific Northwest
        The Pacific Northwest is a region in northwestern North America, bounded by the Pacific Ocean to the west and, loosely, by the Rocky Mountains on the east. Definitions of the region vary and there is no commonly agreed upon boundary, even among Pacific Northwesterners. A common concept of the...
Population of Oregon: 3,831,074 (2010 U.S. Census)
Area of Oregon
- Total 98380.64 mi2 (9th)
- Land: 95996.79 mi2 (10th)
- Water: 2383.85 mi2 (19th)
Atlas of Oregon

Places in Oregon

Historic places in Oregon
- Abandoned communities in Oregon
  - Ghost towns in Oregon
- Carnegie libraries in Oregon
- National Historic Landmarks in Oregon
- National Register of Historic Places listings in Oregon
  - Bridges on the National Register of Historic Places in Oregon
  - National Register of Historic Places listings in Oregon
  - National Register of Historic Places listings in Clackamas County, Oregon
    National Register of Historic Places listings in Clackamas County, Oregon
    The following list includes all of the National Register of Historic Places listings in Clackamas County, Oregon, and offers brief descriptive information about each of them. The National Register of Historic Places recognizes buildings, structures, objects, sites, and districts of national,...
  - National Register of Historic Places listings in Columbia County, Oregon
    National Register of Historic Places listings in Columbia County, Oregon
    The following list presents the full set of National Register of Historic Places listings in Columbia County, Oregon, and offers brief descriptive information about each of them. The National Register of Historic Places recognizes buildings, structures, objects, sites, and districts of national,...
  - National Register of Historic Places listings in Hood River County, Oregon
    National Register of Historic Places listings in Hood River County, Oregon
    The following list presents the full set of National Register of Historic Places listings in Hood River County, Oregon, and offers brief descriptive information about each of them. The National Register of Historic Places recognizes buildings, structures, objects, sites, and districts of national,...
  - National Register of Historic Places listings in Jackson County, Oregon
  - National Register of Historic Places listings in Lane County, Oregon
  - National Register of Historic Places listings in Marion County, Oregon
  - National Register of Historic Places listings in Multnomah County, Oregon
  - National Register of Historic Places listings in Wasco County, Oregon
    National Register of Historic Places listings in Wasco County, Oregon
    The following list includes all of the National Register of Historic Places listings in Wasco County, Oregon, and offers brief descriptive information about each of them. The National Register of Historic Places recognizes buildings, structures, objects, sites, and districts of national, state, or...
  - National Register of Historic Places listings in Washington County, Oregon
    National Register of Historic Places listings in Washington County, Oregon
    The following list presents the full set of National Register of Historic Places listings in Washington County, Oregon, and offers brief descriptive information about each of them. The National Register of Historic Places recognizes buildings, structures, objects, sites, and districts of national,...
  - National Register of Historic Places listings in North Portland, Oregon
    National Register of Historic Places listings in North Portland, Oregon
    The following list attempts to comprehensively present the full set of National Register of Historic Places listings in North Portland, Oregon, and offers brief descriptive information about each of them...
  - National Register of Historic Places listings in Northeast Portland, Oregon
    National Register of Historic Places listings in Northeast Portland, Oregon
    The following list attempts to comprehensively present the full set of National Register of Historic Places listings in Northeast Portland, Oregon, and offers brief descriptive information about each of them...
  - National Register of Historic Places listings in Northwest Portland, Oregon
    National Register of Historic Places listings in Northwest Portland, Oregon
    The following list attempts to comprehensively present the full set of National Register of Historic Places listings in Northwest Portland, Oregon, and offers brief descriptive information about each of them...
  - National Register of Historic Places listings in Southeast Portland, Oregon
    National Register of Historic Places listings in Southeast Portland, Oregon
    The following list attempts to comprehensively present the full set of National Register of Historic Places listings in Southeast Portland, Oregon, and offers brief descriptive information about each of them...
  - National Register of Historic Places listings in Southwest Portland, Oregon
    National Register of Historic Places listings in Southwest Portland, Oregon
    The following list attempts to comprehensively present the full set of National Register of Historic Places listings in Southwest Portland, Oregon, and offers brief descriptive information about each of them...
National Natural Landmarks in Oregon
National parks in Oregon
State parks in Oregon

Environment of Oregon

Climate of Oregon
Climate of Oregon
Oregon's climate varies greatly from the western and eastern regions of the state. An oceanic climate predominates in Western Oregon, and a much drier semi-arid climate prevails east of the Cascade Range in Eastern Oregon...
Geology of Oregon
Protected areas in Oregon
- State forests of Oregon
Superfund sites in Oregon
Wildlife of Oregon
- Flora of Oregon
- Fauna of Oregon
  - Birds of Oregon

Natural geographic features of Oregon

Regions of Oregon

Central Oregon
Central Oregon
Central Oregon is a geographic region in the U.S. state of Oregon and is traditionally considered to be made up of Deschutes, Jefferson, and Crook counties. Other definitions include larger areas, often encompassing areas to the north towards the Columbia River, eastward towards Burns, or south...
Eastern Oregon
Eastern Oregon
Eastern Oregon is the eastern part of the U.S. state of Oregon. It is not an officially recognized geographic entity, thus the boundaries of the region vary according to context. It is sometimes understood to include only the eight easternmost counties in the state; in other contexts, it includes...
Southern Oregon
Southern Oregon
Southern Oregon is a region of the U.S. state of Oregon south of Lane County and generally west of the Cascade Range, excluding the southern Oregon Coast. Counties include Douglas, Jackson, Klamath, and Josephine. It includes the Southern Oregon American Viticultural Area, which consists of the...
Southeastern Oregon
Southeastern Oregon
Southeastern Oregon is a geographical term for the area along the state of Oregon's borders with Idaho, California, and Nevada. It includes the populous areas of Burns, Klamath Falls and Lakeview.-Counties:-Cities and towns:Burns |Chemult |Chiloquin |...
Western Oregon
Western Oregon
Western Oregon is a geographical term that is generally taken to mean the part of Oregon within 120 miles of the Oregon Coast, on the west side of the crest of the Cascade Range. The term is applied somewhat loosely however, and is sometimes taken to exclude the southwestern areas of the state,...
Oregon Coast
Oregon Coast
The Oregon Coast is a region of the U.S. state of Oregon. It runs generally north-south along the Pacific Ocean, forming the western border of the state; the region is bounded to the east by the Oregon Coast Range. The Oregon Coast stretches approximately from the Columbia River in the north to...

Administrative divisions of Oregon

The 36 counties of the state of Oregon
- Cities in Oregon
  - State capital of Oregon: Salem
  - Largest city in Oregon: Portland
    Portland, Oregon
    Portland is a city located in the Pacific Northwest, near the confluence of the Willamette and Columbia rivers in the U.S. state of Oregon. As of the 2010 Census, it had a population of 583,776, making it the 29th most populous city in the United States...
    
    (23rd most populous city in the United States
    United States
    The United States of America is a federal constitutional republic comprising fifty states and a federal district...
    
    as of July 2006.)
  - City nicknames in Oregon
- Unincorporated communities in Oregon
Census-designated places in Oregon

Government and politics of Oregon

Main article: Government of Oregon
Government of Oregon
The government of the U.S. state of Oregon, as prescribed by the Oregon Constitution, is composed of three government branches: the executive, the legislative, and the judicial...

and Politics of Oregon
Politics of Oregon
Like many other U.S. states, the politics of Oregon is centered mostly around regional concerns. Oregon leans Democratic as a state, with both U.S Senators from the Democratic party, as well as four out of Oregon's five U.S. Representatives...

Form of government
Form of government
A form of government, or form of state governance, refers to the set of political institutions by which a government of a state is organized. Synonyms include "regime type" and "system of government".-Empirical and conceptual problems:...

: U.S. state government
State governments of the United States
State governments in the United States are those republics formed by citizens in the jurisdiction thereof as provided by the United States Constitution; with the original 13 States forming the first Articles of Confederation, and later the aforementioned Constitution. Within the U.S...
United States congressional delegations from Oregon
United States Congressional Delegations from Oregon
These are tables of congressional delegations from Oregon to the United States Senate and United States House of Representatives.-United States Senate:-1849 - 1859: One non-voting Delegate:-1859 - 1893: One seat:...
Oregon State Capitol
Oregon State Capitol
The Oregon State Capitol is the building housing the state legislature and the offices of the governor, secretary of state, and treasurer of the U.S. state of Oregon. It is located in the state capital, Salem. The current building, constructed from 1936 to 1938, and expanded in 1977, is the third...

Elections in Oregon
Elections in Oregon
Elections in Oregon are all held using a Vote by Mail system. This means that all registered voters receive their ballots via postal delivery and can vote from their homes. A state Voters’ Pamphlet is mailed to every household in Oregon about three weeks before each statewide election...
- Electoral reform in Oregon
  Electoral reform in Oregon
  Electoral reform in Oregon refers to efforts to change election and voting laws in the West Coast state of Oregon.-Alternate voting systems:There have been many organizations seeking to change Oregon's electoral systems and laws over the years...
Political party strength in Oregon
Political party strength in Oregon
The following table indicates the party of elected officials in the U.S. state of Oregon:*Governor*Oregon Secretary of State*Attorney General*State Treasurer*Commissioner of Labor and Industries*Superintendent of Public Instruction...

Executive branch of the government of Oregon

Governor of Oregon
Governor of Oregon
The Governor of Oregon is the top executive of the government of the U.S. state of Oregon. The title of governor was also applied to the office of Oregon's chief executive during the provisional and U.S. territorial governments....
- Lieutenant Governor of Oregon
- Secretary of State of Oregon
- State Treasurer of Oregon
State departments
- Oregon Department of Transportation
  Oregon Department of Transportation
  The Oregon Department of Transportation is a department of the state government of the U.S. state of Oregon responsible for systems of transportation. It was first established in 1969. It had been preceded by the Oregon State Highway Department which, along with the Oregon State Highway...

Legislative branch of the government of Oregon

Oregon Legislative Assembly
Oregon Legislative Assembly
The Oregon Legislative Assembly is the state legislature for the U.S. state of Oregon. The Legislative Assembly is bicameral, consisting of an upper and lower house: the Senate, whose 30 members are elected to serve four-year terms; and the House of Representatives, with 60 members elected to...

(bicameral)
- Upper house
  Upper house
  An upper house, often called a senate, is one of two chambers of a bicameral legislature, the other chamber being the lower house; a legislature composed of only one house is described as unicameral.- Possible specific characteristics :...
  
  : Oregon Senate
- Lower house
  Lower house
  A lower house is one of two chambers of a bicameral legislature, the other chamber being the upper house.Despite its official position "below" the upper house, in many legislatures worldwide the lower house has come to wield more power...
  
  : Oregon House of Representatives
  Oregon House of Representatives
  The Oregon House of Representatives is the lower house of the Oregon Legislative Assembly. There are 60 members of the House, representing 60 districts across the state, each with a population of 57,000. The House meets at the Oregon State Capitol in Salem....

Judicial branch of the government of Oregon

Supreme Court of Oregon
Oregon Supreme Court
The Oregon Supreme Court is the highest state court in the U.S. state of Oregon. The only court that may reverse or modify a decision of the Oregon Supreme Court is the Supreme Court of the United States. The OSC holds court at the Oregon Supreme Court Building in Salem, Oregon, near the capitol...

Law and order in Oregon

Law of Oregon

Adoption in Oregon
Capital punishment in Oregon
- Individuals executed in Oregon
Constitution of Oregon
Crime in Oregon
Crime in Oregon
The Oregon Constitution originally had no provision for a death penalty. A statute was enacted in 1864 allowing for the death penalty in cases of first degree murder...
Gun laws in Oregon
Law enforcement in Oregon
- Law enforcement agencies in Oregon
  - Oregon State Police
    Oregon State Police
    The Oregon State Police is the main state law enforcement agency of the U.S. state of Oregon. They have been charged to enforce all of Oregon's criminal laws and to help local law enforcement agencies with their duties...
Same-sex marriage in Oregon

History of Oregon, by period

Prehistory of Oregon
- Kennewick Man
  Kennewick Man
  Kennewick Man is the name for the skeletal remains of a prehistoric man found on a bank of the Columbia River in Kennewick, Washington, USA, on July 28, 1996...
- Marmes Rockshelter
  Marmes Rockshelter
  The Marmes Rockshelter is an archaeological site first excavated in 1962, near the confluence of the Snake and Palouse Rivers, in Franklin County, southeastern Washington. This rockshelter is remarkable in the level of preservation of organic materials, the depth of stratified deposits, and the...
- Paisley Caves
  Paisley Caves
  The Paisley Caves complex is a system of four caves in an arid, desolate region of south-central Oregon, United States. One of the caves may contain archaeological evidence of the oldest definitively-dated human presence in North America. The site was first studied by archeologists in the 1930s...
Indigenous peoples
Early European exploration, 1565–1818
- Juan José Pérez Hernández's
  Juan José Pérez Hernández
  Juan José Pérez Hernández , often simply Juan Pérez, was an 18th century Spanish explorer. He was the first European to sight, examine, name, and record the islands near present-day British Columbia, Canada...
  
  northern voyage, 1774
- Robert Gray explores and names
  Gray sails the Columbia River
  In May of 1792, American merchant sea captain Robert Gray sailed into the Columbia River, becoming the first recorded European to navigate into it. The voyage, conducted on the Columbia Rediviva, a privately owned ship, was eventually used as a basis for the United States' claim on the Pacific...
  
  the Columbia River
  Columbia River
  The Columbia River is the largest river in the Pacific Northwest region of North America. The river rises in the Rocky Mountains of British Columbia, Canada, flows northwest and then south into the U.S. state of Washington, then turns west to form most of the border between Washington and the state...
  
  , 1792
- William Robert Broughton
  William Robert Broughton
  William Robert Broughton was a British naval officer in the late 18th century. As a Lieutenant in the Royal Navy, he commanded HMS Chatham as part of the Vancouver Expedition, a voyage of exploration through the Pacific Ocean led by Captain George Vancouver in the early 1790s.-With Vancouver:In...
  
  's voyage to the Columbia River Gorge
  Columbia River Gorge
  The Columbia River Gorge is a canyon of the Columbia River in the Pacific Northwest of the United States. Up to deep, the canyon stretches for over as the river winds westward through the Cascade Range forming the boundary between the State of Washington to the north and Oregon to the south...
  
  , 1792
- Lewis and Clark Expedition
  Lewis and Clark Expedition
  The Lewis and Clark Expedition, or ″Corps of Discovery Expedition" was the first transcontinental expedition to the Pacific Coast by the United States. Commissioned by President Thomas Jefferson and led by two Virginia-born veterans of Indian wars in the Ohio Valley, Meriwether Lewis and William...
  
  , 1804–1806
- Astor Expedition
  Astor Expedition
  The Astor Expedition of 1810-1812 was the next overland expedition from St. Louis, Missouri to the mouth of the Columbia River after the Corps of Discovery, led by Lewis and Clark.-History:...
  
  , 1810–1812
Oregon pioneer history
Oregon pioneer history
Oregon Pioneer History is the period in the history of the U.S. state of Oregon when pioneers and mountain men, primarily of European descent, traveled west across North America to explore and settle the lands west of the Rocky Mountains and north of California...

, 1810–1859
- Fort Astoria
  Fort Astoria
  Fort Astoria was the Pacific Fur Company's primary fur trading post in the Northwest, and was the first American-owned settlement on the Pacific coast. After a short two-year term of US ownership, the British owned and operated it for 33 years. It was the first British port on the Pacific coast...
  
  , 1811–1848
Oregon Country
Oregon Country
The Oregon Country was a predominantly American term referring to a disputed ownership region of the Pacific Northwest of North America. The region was occupied by British and French Canadian fur traders from before 1810, and American settlers from the mid-1830s, with its coastal areas north from...

, 1818–1846
- Anglo-American Convention of 1818
- Oregon boundary dispute
  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...
  
  , 1824–1846
- Oregon missionaries
  Oregon missionaries
  The Oregon missionaries were collectively the religious-minded pioneers who settled in the Oregon Country of North America starting in the 1830s with the intent of converting local Native Americans to Christianity...
  
  , 1834–1846
- Provisional Government of Oregon
  Provisional Government of Oregon
  The Provisional Government of Oregon was a popularly elected government created in the Oregon Country, in the Pacific Northwest region of North America. It existed from May 2, 1843 until March 3, 1849. Created at a time when no country had sovereignty over the region, this independent government...
  
  , 1843–1848
- Oregon Treaty
  Oregon Treaty
  The Oregon Treaty is a treaty between the United Kingdom and the United States that was signed on June 15, 1846, in Washington, D.C. The treaty brought an end to the Oregon boundary dispute by settling competing American and British claims to the Oregon Country, which had been jointly occupied by...
  
  of 1846
Unorganized territory
Unorganized territory
An unorganized territory is a region of land without a "normally" constituted system of government. This does not mean that the territory has no government at all or that it is unclaimed territory...

of the United States, 1846–1848
- Mexican-American War, April 25, 1846 – February 2, 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...
    
    , February 2, 1848
- Cayuse War
  Cayuse War
  The Cayuse War was an armed conflict that took place in the Northwestern United States from 1847 to 1855 between the Cayuse people of the region and the United States Government and local Euro-American settlers...
  
  , 1847–1855
Territory of Oregon, 1848–1859
- State of Deseret
  State of Deseret
  The State of Deseret was a proposed state of the United States, propositioned in 1849 by Latter-day Saint settlers in Salt Lake City. The provisional state existed for slightly over two years and was never recognized by the United States government...
  
  (extralegal), 1849–1850
- Anti-Chinese violence in Oregon
  Anti-Chinese violence in Oregon
  Anti-Chinese violence in Oregon began while the present-day U.S. state was still the Oregon Territory .In Oregon mobs drove Chinese workers out of small towns and workplaces territory-wide in the winter of 1885 and summer of 1886. Many of the Chinese expelled across Oregon made their way to...
- Rogue River Wars
  Rogue River Wars
  The Rogue River Wars was an armed conflict between the US Army, local militias and volunteers, and the Native American tribes commonly grouped under the designation of Rogue River Indians, in the Rogue River Valley area of what today is southern Oregon in 1855–56...
  
  , 1855–1856
State of Oregon becomes 33rd state admitted to the United States of America on February 14, 1859
- 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...
  
  , April 12, 1861 – May 13, 1865
  - Oregon in the American Civil War
    Oregon in the American Civil War
    Oregon in the American Civil War refers to the military involvement of Oregon in the American Civil War.At the outbreak of the war, regular U.S. Army troops in the District of Oregon were withdrawn from posts in Oregon and Washington Territory and sent east...
- Nez Perce War
  Nez Perce War
  The Nez Perce War was an armed conflict between the Nez Perce and the United States government fought in 1877 as part of the American Indian Wars. After a series of battles in which both the U.S. Army and native people sustained significant casualties, the Nez Perce surrendered and were relocated...
  
  , 1877
- 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...
  
  , April 25 – August 12, 1898
- Crater Lake National Park
  Crater Lake National Park
  Crater Lake National Park is a United States National Park located in southern Oregon. Established in 1902, Crater Lake National Park is the sixth oldest national park in the United States and the only one in the state of Oregon...
  
  established on May 22, 1902
- Bonneville Dam
  Bonneville Dam
  Bonneville Lock and Dam consists of several run-of-the-river dam structures that together complete a span of the Columbia River between the U.S. states of Oregon and Washington at River Mile 146.1. The dam is located east of Portland, Oregon, in the Columbia River Gorge. The primary functions of...
  
  completed, 1937
- Mount Saint Helens eruption of 1980
  1980 eruption of Mount St. Helens
  The 1980 eruption of Mount St. Helens, a stratovolcano located in Washington state, in the United States, was a major volcanic eruption. The eruption was the only significant one to occur in the contiguous 48 U.S. states since the 1915 eruption of Lassen Peak in California...

History of Oregon, by region

By city
- History of Eugene, Oregon
- History of Portland, Oregon
  History of Portland, Oregon
  The history of Portland, Oregon, began in 1843 on the Willamette River in what was then called Oregon Country. In 1845 the name of Portland was chosen for this community and on February 8, 1851, the city was incorporated...
- History of Salem, Oregon

By county
- History of Baker County, Oregon
- History of Benton County, Oregon
- History of Clackamas County, Oregon
- History of Clatsop County, Oregon
- History of Columbia County, Oregon
- History of Coos County, Oregon
- History of Crook County, Oregon
- History of Deschutes County, Oregon
- History of Douglas County, Oregon
- History of Gilliam County, Oregon
- History of Grant County, Oregon
- History of Harney County, Oregon
- History of Hood River County, Oregon
- History of Jackson County, Oregon
- History of Jefferson County, Oregon
- History of Josephine County, Oregon
- History of Klamath County, Oregon
- History of Lake County, Oregon
- History of Lane County, Oregon
- History of Lincoln County, Oregon
- History of Linn County, Oregon
- History of Malheur County, Oregon
- History of Marion County, Oregon
- History of Multnomah County, Oregon
- History of Polk County, Oregon
- History of Sherman County, Oregon
- History of Tillamook County, Oregon
- History of Umatilla County, Oregon
- History of Union County, Oregon
- History of Wallowa County, Oregon
- History of Wasco County, Oregon
- History of Washington County, Oregon
- History of Wheeler County, Oregon
- History of Yamhill County, Oregon

History of Oregon, by subject

History of baseball in Portland, Oregon
History of baseball in Portland, Oregon
Portland, Oregon has been home to many baseball teams, dating back to the 19th century.-Early Portland Baseball: 1866–1883:The first organized baseball team on record in the Pacific Northwest was founded in Portland, when on May 28, 1866, the Pioneer Baseball Club of East Portland was created...
History of Oregon State University
History of Oregon State University
The history of Oregon State University in Corvallis, Oregon, United States, began in the era of the Oregon Territory. At first a private school, the college later became a state supported agricultural institution, and is now Oregon’s flagship university for science...
- History of Oregon State Beavers football
  History of Oregon State Beavers football
  The Oregon State Beavers football team's first season was in 1893.-1893–1905: The early years:In 1893, Oregon State was known as State Agricultural College, or SAC. William H. Bloss, son of SAC's school president, was the schools first coach, as well as the quarterback of the 1893 team. Bloss moved...
History of rail in Oregon
History of rail in Oregon
The history of rail in Oregon predates the transcontinental railroad in 1869.As Oregon was aligned with the union states during the American Civil War, a railroad connection was proposed to help supply the Union and build morale.-Early proposals:Byron J...
History of Oregon wine production
History of Oregon wine production
The history of Oregon wine production stretches back to before the state was incorporated. Settlers to the Oregon Territory planted grapes as early as the 1840s, however the production of wine has only been a significant industry in Oregon since the 1960s...
Territorial evolution of Oregon

Culture of Oregon

Main article: Culture of Oregon
Culture of Oregon
The culture of Oregon has had a diverse and distinct character from before European settlement until the modern day. Approximately 80 Native American tribes were living in Oregon before the establishment of European pioneer settlements. Trappers and traders were the harbingers of the coming...

Museums in Oregon
Religion in Oregon
Religion in Oregon
Religion in the state of Oregon is unique in the United States, with the highest percentage of religiously unaffiliated adults in the entire nation, despite a higher average of evangelical Christians than the national average.-History:...
- The Church of Jesus Christ of Latter-day Saints in Oregon
  The Church of Jesus Christ of Latter-day Saints in Oregon
  As of the end of 2007, The Church of Jesus Christ of Latter-day Saints reported 144,808 members in 36 stakes, 305 Congregations , 2 missions, and 2 temples in Oregon.-History:...
- Episcopal Diocese of Oregon
  Episcopal Diocese of Oregon
  The Episcopal Diocese of Oregon is a diocese of The Episcopal Church which consists of the western portion of the State of Oregon bordered by the Pacific Ocean, the Columbia River, the Cascade Range and the Oregon-California border. Major cities in the diocese are Portland, Salem, Eugene and Medford...
Scouting in Oregon
Scouting in Oregon
The history of Scouting in Oregon began in the 1910s and continues to the present day, serving thousands of youth.-Boy Scouting in Oregon today:...
State symbols of Oregon
- Flag of the state of Oregon
- Seal of the state of Oregon

Economy and infrastructure of Oregon

Main article: Economy of Oregon
Economy of Oregon
The economy of the U.S. state of Oregon is made up of a number of sectors. During the 1990s and 2000s, Oregon has attempted to transition its economy from one based on natural resources to one based on a mix of manufacturing, services, and high technology....

Communications in Oregon
Energy in Oregon
Energy in Oregon
The U.S. state of Oregon is the third largest renewable energy producing state in the United States. Hydroelectric power dominates the power market in Oregon, providing nearly two-thirds of the electricity generated in the state, although it accounts for less than half of the total percentage...
Health care in Oregon
- Hospitals in Oregon
Transport in Oregon
- Airports in Oregon
- Rail transport in Oregon
  Rail transport in Oregon
  Rail transport is an important element of the transportation network in the state of Oregon. Rail has existed in the state in some form since 1855 and the state was a pioneer in development of electric railway systems...
- Roads in Oregon
  - State highways in Oregon

Education in Oregon

Main article: Education in Oregon

Schools in Oregon
- School districts in Oregon
  - High schools in Oregon
- Colleges and universities in Oregon
  - Oregon State University
    Oregon State University
    Oregon State University is a coeducational, public research university located in Corvallis, Oregon, United States. The university offers undergraduate, graduate and doctoral degrees and a multitude of research opportunities. There are more than 200 academic degree programs offered through the...
    - Oregon State University Cascades Campus
      Oregon State University Cascades Campus
      The Oregon State University Cascades Campus is a branch campus of Oregon State University located in Bend, Oregon, in the United States. It is the first and only branch campus in the Oregon University System. Twenty different degrees are offered through the campus. OSU-Cascades offers small class...
    - Oregon State University College of Engineering
      Oregon State University College of Engineering
      Oregon State University's College of Engineering is a college within Oregon State University organized into four schools: Mechanical, Industrial, and Manufacturing Engineering; Civil and Construction Engineering; Electrical Engineering and Computer Science and Chemical, Biological, and...
    - Oregon State University College of Science
      Oregon State University College of Science
      Oregon State University's College of Science is a college within Oregon State University consisting of 13 departments. OSU's College of Science also offers 11 preprofessional programs for students who are preparing for a medical school or another health-related school. The college was founded in...
    - Oregon State University Extended Campus
      Oregon State University Extended Campus
      Oregon State University Extended Campus is the unit of Oregon State University that develops and delivers many of OSU’s academic resources, degrees, courses and programs through alternative and off-campus course delivery methods, most prominently through online and distance delivery.- History...
    - Oregon State University Foundation
      Oregon State University Foundation
      The Oregon State University Foundation is a private non-profit corporation dedicated to garnering the resources that enable Oregon State University in Corvallis, Oregon, to achieve excellence in education, research and outreach. The OSU Foundation is governed by a volunteer Board of Trustees.In...
    - Oregon State University Historic District
    - Oregon State University Humans vs. Zombies
      Oregon State University Humans vs. Zombies
      Humans vs. Zombies has been played every year at Oregon State University since 2008. The game is coordinated by the student group OSU HVZ that runs the website where the participants have to record all interactions....
    - Oregon State University Marching Band
      Oregon State University Marching Band
      With over 250 members, the Oregon State University Marching Band, or OSUMB, is the marching band of Oregon State University, known as the "Spirit and Sound of OSU." It was founded in 1890 making it the oldest band in the Pac-12. The OSUMB is the main group within the Oregon State University...
    - Oregon State University Press
      Oregon State University Press
      Oregon State University Press, or OSU Press, founded in 1961, is a university press that publishes roughly 15 titles per year and is part of Oregon State University...
    - Oregon State University Radiation Center
      Oregon State University Radiation Center
      The Oregon State University Radiation Center is a research facility that houses a nuclear reactor at Oregon State University in Corvallis, Oregon, United States. The Oregon State TRIGA Reactor serves the research needs of the OSU nuclear engineering department along with other departments...
  - University of Oregon
    University of Oregon
    -Colleges and schools:The University of Oregon is organized into eight schools and colleges—six professional schools and colleges, an Arts and Sciences College and an Honors College.- School of Architecture and Allied Arts :...
    - University of Oregon Bookstore
      University of Oregon Bookstore
      The University of Oregon Bookstore is the bookstore for the University of Oregon in Eugene, Oregon, United States. It is a not-for-profit corporation governed by an elected Board of Directors composed mostly of students. It serves primarily students, faculty, staff and alumni of the University of...
    - University of Oregon Department of Public Safety
      University of Oregon Department of Public Safety
      The University of Oregon Department of Public Safety University of Oregon Department of Public Safety, is the law enforcement agency for the University of Oregon. It is tasked with full state police powers to enforces all State laws and University rules, with primary jurisdiction involving the...
    - University of Oregon Museum of Natural and Cultural History
      University of Oregon Museum of Natural and Cultural History
      The University of Oregon Museum of Natural and Cultural History, commonly known as the UO Natural History Museum, is an American natural history museum at the University of Oregon in Eugene...
    - University of Oregon Press
      University of Oregon Press
      University of Oregon Press, or UO Press is an American university press that is part of the University of Oregon in Eugene, Oregon.Since June 1, 2005, books published by UO Press have been distributed by the Oregon State University Press....
    - University of Oregon School of Architecture and Allied Arts
      University of Oregon School of Architecture and Allied Arts
      The University of Oregon School of Architecture and Allied Arts is a public school of architecture and visual arts in the U.S. state of Oregon. It is the only school in Oregon to offer architecture degrees accredited by the National Architectural Accrediting Board. The school, founded in 1914 by...
    - University of Oregon School of Journalism and Communication
      University of Oregon School of Journalism and Communication
      The University of Oregon School of Journalism and Communication is a public post-secondary school in the U.S. state of Oregon. Founded in 1912, the SOJC is currently located in Allen Hall at the University of Oregon's Eugene campus. The school is one of 112 journalism schools in the U.S....
    - University of Oregon School of Law
      University of Oregon School of Law
      The University of Oregon School of Law is a public law school in the U.S. state of Oregon. Housed in the Knight Law Center, it is Oregon's only state funded law school. The school, founded in 1884, is located on the University of Oregon campus in Eugene, on the corner of 15th and Agate streets,...
    - University of Oregon media
      University of Oregon media
      The University of Oregon has a diverse array of student-run and student-created media, including the Oregon Daily Emerald, The Comic Press, the Oregon Voice, the Oregon Commentator and the Student Insurgent...
  - University of Portland
    University of Portland
    The University of Portland is a private Roman Catholic university located in Portland, Oregon. It is affiliated with the Congregation of Holy Cross and is the sister school of the University of Notre Dame. Founded in 1901, UP has a student body of about 3,600 students...
  - University of Redwood
    University of Redwood
    University of Redwood is a fictitious college claiming to be located in Oregon in the United States. It can be confused with Reed College in Portland, Oregon, or the College of the Redwoods in Eureka, California....