Most lethal battles in world history
Encyclopedia
The following is a list of the casualty count in battles in world history. The list includes both sieges (not technically battles but usually yielding similar combat-related deaths) and civilian casualties during the battles. Large battle casualty counts are almost impossible to calculate precisely. Many of these figures are estimates, and, where possible, a range of estimates is presented. Figures display numbers of all types of casualties when available (killed
Killed in action
Killed in action is a casualty classification generally used by militaries to describe the deaths of their own forces at the hands of hostile forces. The United States Department of Defense, for example, says that those declared KIA need not have fired their weapons but have been killed due to...

, wounded
Wounded in action
Wounded in action describes soldiers who have been wounded while fighting in a combat zone during war time, but have not been killed. Typically it implies that they are temporarily or permanently incapable of bearing arms or continuing to fight....

, missing
Missing in action
Missing in action is a casualty Category assigned under the Status of Missing to armed services personnel who are reported missing during active service. They may have been killed, wounded, become a prisoner of war, or deserted. If deceased, neither their remains nor grave can be positively...

, and sick) but may only include number killed. Where possible, the list specifies whether or not prisoners are included in the count. This list does not include most bombing runs or missile strikes (such as the atomic bombings of Hiroshima and Nagasaki
Atomic bombings of Hiroshima and Nagasaki
During the final stages of World War II in 1945, the United States conducted two atomic bombings against the cities of Hiroshima and Nagasaki in Japan, the first on August 6, 1945, and the second on August 9, 1945. These two events are the only use of nuclear weapons in war to date.For six months...

), which, despite potentially massive casualties, are not typically classified as "battles," since they are usually one-sided engagements. Tactical or strategic strikes, however, may form part of larger engagements which are themselves battles.

Classical formation battles

These refer to battles in which armies met on a single field of battle and fought each other for anywhere from one to several days. With more advanced weapons, military formations lost their impact and use of this type of battle died out in favor of grander military operation
Military operation
Military operation is the coordinated military actions of a state in response to a developing situation. These actions are designed as a military plan to resolve the situation in the state's favor. Operations may be of combat or non-combat types, and are referred to by a code name for the purpose...

s. Many of these battles are ancient, and in several cases, the few extant historical records differ, sometimes wildly, on casualties. Entries here use modern figures when available.

This list is sortable. Click the box next to a column heading to sort by that criterion.
Battle Conflict Casualties Year
Battle of Qarqar
Battle of Qarqar
The Battle of Qarqar was fought in 853 BC when the army of Assyria led by king Shalmaneser III encountered an allied army of 12 kings at Qarqar led by Hadadezer of Damascus and King Ahab of Israel...

Assyrian Conquest of Syria
Assyrian Conquest of Syria
Assyrian Conquest of Syria was an invasion by the armies of Assyria led by King Shalmaneser III to conquer Syria. The war resulted in the formation of what became known as the 12 kings alliance against Assyria...

Approximately 14,000 circa ! 853 BC
Battle of Thermopylae
Battle of Thermopylae
The Battle of Thermopylae was fought between an alliance of Greek city-states, led by King Leonidas of Sparta, and the Persian Empire of Xerxes I over the course of three days, during the second Persian invasion of Greece. It took place simultaneously with the naval battle at Artemisium, in August...

Greco-Persian Wars
Greco-Persian Wars
The Greco-Persian Wars were a series of conflicts between the Achaemenid Empire of Persia and city-states of the Hellenic world that started in 499 BC and lasted until 449 BC. The collision between the fractious political world of the Greeks and the enormous empire of the Persians began when Cyrus...

22,300–22,500 ! 480 BC
Battle of Plataea
Battle of Plataea
The Battle of Plataea was the final land battle during the second Persian invasion of Greece. It took place in 479 BC near the city of Plataea in Boeotia, and was fought between an alliance of the Greek city-states, including Sparta, Athens, Corinth and Megara, and the Persian Empire of Xerxes...

Greco-Persian Wars
Greco-Persian Wars
The Greco-Persian Wars were a series of conflicts between the Achaemenid Empire of Persia and city-states of the Hellenic world that started in 499 BC and lasted until 449 BC. The collision between the fractious political world of the Greeks and the enormous empire of the Persians began when Cyrus...

51,500–257,000 ! 479 BC
Battle of Chaeronea
Battle of Chaeronea (338 BC)
The Battle of Chaeronea was fought in 338 BC, near the city of Chaeronea in Boeotia, between the forces of Philip II of Macedon and an alliance of Greek city-states...

Wars of Alexander the Great 20,000 or more ! 338 BC
Battle of the Granicus
Battle of the Granicus
The Battle of the Granicus River in May 334 BC was the first of three major battles fought between Alexander the Great and the Persian Empire...

Wars of Alexander the Great 15,000 or more ! 334 BC
Battle of Issus
Battle of Issus
The Battle of Issus occurred in southern Anatolia, in November 333 BC. The invading troops, led by the young Alexander of Macedonia, defeated the army personally led by Darius III of Achaemenid Persia in the second great battle for primacy in Asia...

Wars of Alexander the Great 50,450 ! 333 BC
Battle of Gaugamela
Battle of Gaugamela
The Battle of Gaugamela took place in 331 BC between Alexander the Great and Darius III of Persia. The battle, which is also called the Battle of Arbela, resulted in a massive victory for the ancient Macedonians and led to the fall of the Achaemenid Empire.-Location:Darius chose a flat, open plain...

Wars of Alexander the Great 53,500 ! 331 BC
Battle of the Hydaspes Wars of Alexander the Great 23,310 ! 326 BC
Battle of Sentinum
Battle of Sentinum
The Battle of Sentinum was the decisive battle of the Third Samnite War, fought in 295 BC near Sentinum , in which the Romans were able to overcome a formidable coalition of Samnites, Etruscans, Umbrians, and their Gallic allies...

Third Samnite War 33,500 ! 295 BC
Battle of Heraclea
Battle of Heraclea
The Battle of Heraclea took place in 280 BC between the Romans under the command of Consul Publius Valerius Laevinus and the combined forces of Greeks from Epirus, Tarentum, Thurii, Metapontum, and Heraclea under the command of King Pyrrhus of Epirus....

Pyrrhic War
Pyrrhic War
The Pyrrhic War was a complex series of battles and shifting political alliances among the Greeks , Romans, the Italian peoples , and the CarthaginiansThe Pyrrhic War initially started as a minor conflict between Rome and the city of Tarentum over a naval...

11,000–26,000 between ! 280 BC
Battle of Kalinga Maurya Empire
Maurya Empire
The Maurya Empire was a geographically extensive Iron Age historical power in ancient India, ruled by the Mauryan dynasty from 321 to 185 BC...

110,000–1,000,000 including civilians
Civilian casualties
Civilian casualties is a military term describing civilian or non-combatant persons killed, injured, or imprisoned by military action. The description of civilian casualties includes any form of military action regardless of whether civilians were targeted directly...

! 262 BC
Battle of the Trebia
Battle of the Trebia
The Battle of the Trebia was the first major battle of the Second Punic War, fought between the Carthaginian forces of Hannibal and the Roman Republic in December of 218 BC, on or around the winter solstice...

Second Punic War
Second Punic War
The Second Punic War, also referred to as The Hannibalic War and The War Against Hannibal, lasted from 218 to 201 BC and involved combatants in the western and eastern Mediterranean. This was the second major war between Carthage and the Roman Republic, with the participation of the Berbers on...

35,000 ! 218 BC
Battle of Lake Trasimene
Battle of Lake Trasimene
The Battle of Lake Trasimene was a Roman defeat in the Second Punic War between the Carthaginians under Hannibal and the Romans under the consul Gaius Flaminius...

Second Punic War
Second Punic War
The Second Punic War, also referred to as The Hannibalic War and The War Against Hannibal, lasted from 218 to 201 BC and involved combatants in the western and eastern Mediterranean. This was the second major war between Carthage and the Roman Republic, with the participation of the Berbers on...

Approximately 30,000 ! 217 BC
Battle of Cannae
Battle of Cannae
The Battle of Cannae was a major battle of the Second Punic War, which took place on August 2, 216 BC near the town of Cannae in Apulia in southeast Italy. The army of Carthage under Hannibal decisively defeated a numerically superior army of the Roman Republic under command of the consuls Lucius...

Second Punic War
Second Punic War
The Second Punic War, also referred to as The Hannibalic War and The War Against Hannibal, lasted from 218 to 201 BC and involved combatants in the western and eastern Mediterranean. This was the second major war between Carthage and the Roman Republic, with the participation of the Berbers on...

56,000–92,000 or more ! 216 BC
Battle of the Metaurus
Battle of the Metaurus
The Battle of the Metaurus was a pivotal battle in the Second Punic War between Rome and Carthage, fought in 207 BC near the Metauro River in present-day Italy. The battle gets a chapter in the classic The Fifteen Decisive Battles of the World by Sir Edward Shepherd Creasy...

Second Punic War
Second Punic War
The Second Punic War, also referred to as The Hannibalic War and The War Against Hannibal, lasted from 218 to 201 BC and involved combatants in the western and eastern Mediterranean. This was the second major war between Carthage and the Roman Republic, with the participation of the Berbers on...

12,000 ! 207 BC
Battle of Zama
Battle of Zama
The Battle of Zama, fought around October 19, 202 BC, marked the final and decisive end of the Second Punic War. A Roman army led by Publius Cornelius Scipio Africanus defeated a Carthaginian force led by the legendary commander Hannibal...

Second Punic War
Second Punic War
The Second Punic War, also referred to as The Hannibalic War and The War Against Hannibal, lasted from 218 to 201 BC and involved combatants in the western and eastern Mediterranean. This was the second major war between Carthage and the Roman Republic, with the participation of the Berbers on...

21,500 ! 202 BC
Battle of Magnesia
Battle of Magnesia
The Battle of Magnesia was fought in 190 BC near Magnesia ad Sipylum, on the plains of Lydia , between the Romans, led by the consul Lucius Cornelius Scipio and his brother, the famed general Scipio Africanus, with their ally Eumenes II of Pergamum against the army of Antiochus III the Great of the...

Roman–Syrian War 53,350 ! 190 BC
Battle of Pydna
Battle of Pydna
The Battle of Pydna in 168 BC between Rome and the Macedonian Antigonid dynasty saw the further ascendancy of Rome in the Hellenic/Hellenistic world and the end of the Antigonid line of kings, whose power traced back to Alexander the Great.Paul K...

Third Macedonian War
Third Macedonian War
The Third Macedonian War was a war fought between Rome and King Perseus of Macedon. In 179 BC King Philip V of Macedon died and his talented and ambitious son, Perseus, took his throne. Perseus married Laodike, daughter of King Seleucus IV Keraunos of Asia, and increased the size of his army...

21,000 ! 168 BC
Battle of Arausio
Battle of Arausio
The Battle of Arausio took place on October 6, 105 BC, at a site between the town of Arausio and the Rhône River. Ranged against the migratory tribes of the Cimbri under Boiorix and the Teutoni were two Roman armies, commanded by the proconsul Quintus Servilius Caepio and consul Gnaeus Mallius...

Germanic Wars
Germanic Wars
The Germanic Wars is a name given to a series of wars between the Romans and various Germanic tribes between 113 BCE and 439 CE. The nature of these wars varied through time between Roman conquest, Germanic uprisings and later Germanic invasions in the Roman Empire that started in the late 2nd...

 (Cimbrian War
Cimbrian War
The Cimbrian War was fought between the Roman Republic and the Proto-Germanic tribes of the Cimbri and the Teutons , who migrated from northern Europe into Roman controlled territory, and clashed with Rome and her allies...

)
84,000 ! 105 BC
Battle of Carrhae
Battle of Carrhae
The Battle of Carrhae, fought in 53 BC near the town of Carrhae, was a major battle between the Parthian Empire and the Roman Republic. The Parthian Spahbod Surena decisively defeated a Roman invasion force led by Marcus Licinius Crassus...

Roman–Persian Wars 24,000 ! 53 BC
Battle of Pharsalus
Battle of Pharsalus
The Battle of Pharsalus was a decisive battle of Caesar's Civil War. On 9 August 48 BC at Pharsalus in central Greece, Gaius Julius Caesar and his allies formed up opposite the army of the republic under the command of Gnaeus Pompeius Magnus...

Caesar's Civil War
Caesar's civil war
The Great Roman Civil War , also known as Caesar's Civil War, was one of the last politico-military conflicts in the Roman Republic before the establishment of the Roman Empire...

17,000 ! 48 BC
Battle of Teutoburg Forest Roman–Germanic wars 20,000 #0009
Battle of Watling Street
Battle of Watling Street
The Battle of Watling Street took place in Roman-occupied Britain in AD 60 or 61 between an alliance of indigenous British peoples led by Boudica and a Roman army led by Gaius Suetonius Paulinus. Although outnumbered, the Romans decisively defeated the allied tribes, inflicting heavy losses on them...

Iceni Revolt
Boudica
Boudica , also known as Boadicea and known in Welsh as "Buddug" was queen of the British Iceni tribe who led an uprising against the occupying forces of the Roman Empire....

80,400 #0061
Battle of Mons Graupius
Battle of Mons Graupius
According to Tacitus, the Battle of Mons Graupius took place in AD 83 or, less probably, 84. Gnaeus Julius Agricola, the Roman governor and Tacitus' father-in-law, had sent his fleet ahead to panic the Caledonians, and, with light infantry reinforced with British auxiliaries, reached the site,...

Roman conquest of Britain
Roman conquest of Britain
The Roman conquest of Britain was a gradual process, beginning effectively in AD 43 under Emperor Claudius, whose general Aulus Plautius served as first governor of Britannia. Great Britain had already frequently been the target of invasions, planned and actual, by forces of the Roman Republic and...

10,360 #0084
Battle of Chibi Three Kingdoms
Three Kingdoms
The Three Kingdoms period was a period in Chinese history, part of an era of disunity called the "Six Dynasties" following immediately the loss of de facto power of the Han Dynasty rulers. In a strict academic sense it refers to the period between the foundation of the state of Wei in 220 and the...

Approximately 100,000 #0208
Battle of Adrianople
Battle of Adrianople
The Battle of Adrianople , sometimes known as the Battle of Hadrianopolis, was fought between a Roman army led by the Roman Emperor Valens and Gothic rebels led by Fritigern...

Gothic War 40,000 or more #0378
Battle of Fei River
Battle of Fei River
The Battle of Fei River or “Feishui” was a battle in 383, where Fu Jiān of the Di Former Qin Empire was decisively defeated by the numerically inferior Jin army of Eastern Jin....

Wu Hu Era
Sixteen Kingdoms
The Sixteen Kingdoms, or less commonly the Sixteen States, were a collection of numerous short-lived sovereign states in China proper and its neighboring areas from 304 to 439 AD after the retreat of the Jin Dynasty to South China and before the establishment of the Northern Dynasties...

150,000 or more #0383
Battle of Salsu
Battle of Salsu
The Battle of Salsu was an enormous battle that occurred in the year AD 612, during the second Goguryeo-Sui War, between the Korean kingdom of Goguryeo and the Chinese Sui Dynasty. Goguryeo cavalry forces, pursuing the Sui army, attacked and defeated it at the Salsu River.In 612 the Sui Emperor...

Goguryeo–Sui Wars 302,300 #0612
Battle of Ullais
Battle of Ullais
The Battle of Ullais was fought between the forces of the Rashidun Caliphate and the Sassanid Persian Empire in the middle of May 633 A.D in Iraq, and is sometimes referred to as the Battle of Blood River since, as a result of the battle, there were enormous amounts of Sassanian and Arab Christian...

Muslim conquest of Persia 35,000 #0633
Battle of Yarmouk
Battle of Yarmouk
The Battle of Yarmouk was a major battle between the Muslim Arab forces of the Rashidun Caliphate and the armies of the East Roman-Byzantine Empire. The battle consisted of a series of engagements that lasted for six days in August 636, near the Yarmouk River, along what is today the border...

Byzantine–Arab Wars 70,000 circa #0636
Battle of Anchialus Byzantine–Bulgarian Wars 80,000 circa #0917
Battle of Mimou Later Tang Dynasty
Later Tang Dynasty
The Later Tang Dynasty was a short-lived dynasty that lasted from 923 to 937 one of the five dynasties during the Five Dynasties and Ten Kingdoms Period. It was also the first in a series of three dynasties ruled by the Shatuo Turks...

's Civil War
Approximately 70,000–80,000 #0925
Battle of Hattin
Battle of Hattin
The Battle of Hattin took place on Saturday, July 4, 1187, between the Crusader Kingdom of Jerusalem and the forces of the Ayyubid dynasty....

Ayyubid-Crusader War 17,000-20,000 #1187
Battle of Las Navas de Tolosa
Battle of Las Navas de Tolosa
The Battle of Las Navas de Tolosa, known in Arab history as the Battle of Al-Uqab , took place on 16 July 1212 and was an important turning point in the Reconquista and in the medieval history of Spain...

Reconquista
Reconquista
The Reconquista was a period of almost 800 years in the Middle Ages during which several Christian kingdoms succeeded in retaking the Muslim-controlled areas of the Iberian Peninsula broadly known as Al-Andalus...

Approximately 60,000 #1212
Battle of Leignitz
Battle of Legnica
The Battle of Legnica , also known as the Battle of Liegnitz or Battle of Wahlstatt , was a battle between the Mongol Empire and the combined defending forces of European fighters that took place at Legnickie Pole near the city of Legnica in Silesia on 9 April 1241.A combined force of Poles,...

Mongol invasion of Poland
Mongol invasion of Poland
The Mongol Invasion of Poland from late 1240 to 1241 culminated in the battle of Legnica, where the Mongols defeated an alliance which included forces from fragmented Poland and members of various Christian military orders, led by Henry II the Pious, the Duke of Silesia. The first invasion's...

Approximately 30,000 #1241
Battle of Yamen
Battle of Yamen
The naval Battle of Yamen took place on 19 March 1279 and is considered to be the last stand of the Song Dynasty against the invading Mongol-controlled Yuan Dynasty...

Mongol conquest of the Song Dynasty
Mongol conquest of the Song Dynasty
The conquest of South China's Song Dynasty under Kublai Khan was the final step for the Mongols to rule the whole of China. It is also considered the Mongol Empire's last great military achievement.- Background :...

Approximately 100,000 #1279
Battle of Bannockburn
Battle of Bannockburn
The Battle of Bannockburn was a significant Scottish victory in the Wars of Scottish Independence...

First War of Scottish Independence
First War of Scottish Independence
The First War of Scottish Independence lasted from the invasion by England in 1296 until the de jure restoration of Scottish independence with the Treaty of Edinburgh-Northampton in 1328...

Approximately 19,000 #1314
Battle of Kulikovo
Battle of Kulikovo
The Battle of Kulikovo was a battle between Tatar Mamai and Muscovy Dmitriy and portrayed by Russian historiography as a stand-off between Russians and the Golden Horde. However, the political situation at the time was much more complicated and concerned the politics of the Northeastern Rus'...

List of Tatar and Mongol raids against Rus' Approximately 136,000 #1380
Battle of the Terek River
Battle of the Terek River
The Battle of the Terek River was the second major battle of Tokhtamysh-Timur War. It took place at the Terek River, North Caucasus.Tokhtamysh cavalry attacked the right flank and the center of Timur's army. However, some Golden Horde emirs went over to Timur's side. This helped Timur defeat the...

Tokhtamysh–Timur war Approximately 100,000 #1395
Conquest of Delhi Tamerlane's Indian campaign Approximately 100,000 #1398
Battle of Ankara
Battle of Ankara
The Battle of Ankara or Battle of Angora, fought on July 20, 1402, took place at the field of Çubuk between the forces of the Ottoman sultan Bayezid I and the Turko-Mongol forces of Timur, ruler of the Timurid Empire. The battle was a major victory for Timur, and it led to a period of crisis for...

Ottoman–Timur War 15,000 or more #1402
Battle of Grunwald
Battle of Grunwald
The Battle of Grunwald or 1st Battle of Tannenberg was fought on 15 July 1410, during the Polish–Lithuanian–Teutonic War. The alliance of the Kingdom of Poland and the Grand Duchy of Lithuania, led respectively by King Jogaila and Grand Duke Vytautas , decisively defeated the Teutonic Knights, led...

Polish–Lithuanian–Teutonic War Approximately 13,000 #1410
Battle of Towton
Battle of Towton
In 1461, England was in the sixth year of the Wars of the Roses, a series of civil wars between the Houses of York and Lancaster over the English throne. The Lancastrians backed the reigning King of England, Henry VI, an indecisive man who suffered bouts of madness...

Wars of the Roses
Wars of the Roses
The Wars of the Roses were a series of dynastic civil wars for the throne of England fought between supporters of two rival branches of the royal House of Plantagenet: the houses of Lancaster and York...

28,000 #1461
Battle of Ravenna
Battle of Ravenna (1512)
The Battle of Ravenna, fought on 11 April 1512, by forces of the Holy League and France, was a major battle of the War of the League of Cambrai in the Italian Wars...

War of the League of Cambrai
War of the League of Cambrai
The War of the League of Cambrai, sometimes known as the War of the Holy League and by several other names, was a major conflict in the Italian Wars...

13,500 #1512
Battle of Marignano
Battle of Marignano
The Battle of Marignano was fought during the phase of the Italian Wars called the War of the League of Cambrai, between France and the Old Swiss Confederacy. It took place on September 13 and 15, 1515, near the town today called Melegnano, 16 km southeast of Milan...

War of the League of Cambrai
War of the League of Cambrai
The War of the League of Cambrai, sometimes known as the War of the Holy League and by several other names, was a major conflict in the Italian Wars...

11,000–15,000 #1515
Battle of Raydaniya Ottoman wars in the Near East 13,000 #1517
First Battle of Panipat Mughal Empire
Mughal Empire
The Mughal Empire ,‎ or Mogul Empire in traditional English usage, was an imperial power from the Indian Subcontinent. The Mughal emperors were descendants of the Timurids...

20,000–50,000 #1526
Battle of Mohács
Battle of Mohács
The Battle of Mohács was fought on August 29, 1526 near Mohács, Hungary. In the battle, forces of the Kingdom of Hungary led by King Louis II of Hungary and Bohemia were defeated by forces of the Ottoman Empire led by Sultan Suleiman the Magnificent....

Ottoman–Hungarian Wars Probably 30,000 #1526
Battle of Lepanto
Battle of Lepanto (1571)
The Battle of Lepanto took place on 7 October 1571 when a fleet of the Holy League, a coalition of Catholic maritime states, decisively defeated the main fleet of the Ottoman Empire in five hours of fighting on the northern edge of the Gulf of Patras, off western Greece...

Ottoman–Habsburg wars 22,566–27,566 #1571
Battle of Sekigahara
Battle of Sekigahara
The , popularly known as the , was a decisive battle on October 21, 1600 which cleared the path to the Shogunate for Tokugawa Ieyasu...

Sengoku Period
Sengoku period
The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

60,000 or less #1600
First Battle of Breitenfeld
Battle of Breitenfeld (1631)
The Battle of Breitenfeld or First Battle of Breitenfeld , was fought at the crossroads villages of Breitenfeld , Podelwitz , and Seehausen , approximately five miles northwest of the walled city of Leipzig on September 17 , or September 7 The Battle of Breitenfeld or First Battle of Breitenfeld...

Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

20,000 or more #1631
Battle of Lützen
Battle of Lützen (1632)
The Battle of Lützen was one of the most decisive battles of the Thirty Years' War. It was a Protestant victory, but cost the life of one of the most important leaders of the Protestant alliance, Gustavus Adolphus of Sweden, which caused the Protestant campaign to lose direction.- Prelude to the...

Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

11,000–14,000 #1632
Battle of Nördlingen
Battle of Nördlingen (1634)
The Battle of Nördlingen was fought on 27 August or 6 September , 1634 during the Thirty Years' War. The Roman Catholic Imperial army, bolstered by 18,000 Spanish and Italian soldiers, won a crushing victory over the combined Protestant armies of Sweden and their German-Protestant allies .After...

Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

17,000 #1634
Battle of the Downs
Battle of the Downs
The naval Battle of the Downs took place on 31 October 1639 , during the Eighty Years' War, and was a decisive defeat of the Spanish, commanded by Admiral Antonio de Oquendo, by the United Provinces, commanded by Lieutenant-Admiral Maarten Tromp.- Background :The entry of France in the Thirty...

Eighty Years' War 15,000 or more #1639
Battle of Landen
Battle of Landen
The Battle of Landen , in the current Belgian province of Flemish Brabant, was a battle in the Nine Years' War, fought in present-day Belgium on 29 July 1693 between the French army of Marshal Luxembourg and the Allied army of King William III of England...

War of the Grand Alliance
War of the Grand Alliance
The Nine Years' War – often called the War of the Grand Alliance, the War of the Palatine Succession, or the War of the League of Augsburg – was a major war of the late 17th century fought between King Louis XIV of France, and a European-wide coalition, the Grand Alliance, led by the Anglo-Dutch...

28,000 #1693
Battle of Zenta
Battle of Zenta
The Battle of Zenta or Battle of Senta, fought on 11 September 1697 just south of Zenta , on the east side of the Tisza river, was a major engagement in the Great Turkish War and one of the most decisive defeats in Ottoman history...

Ottoman–Habsburg wars 30,300 #1697
Battle of Blenheim
Battle of Blenheim
The Battle of Blenheim , fought on 13 August 1704, was a major battle of the War of the Spanish Succession. Louis XIV of France sought to knock Emperor Leopold out of the war by seizing Vienna, the Habsburg capital, and gain a favourable peace settlement...

War of the Spanish Succession
War of the Spanish Succession
The War of the Spanish Succession was fought among several European powers, including a divided Spain, over the possible unification of the Kingdoms of Spain and France under one Bourbon monarch. As France and Spain were among the most powerful states of Europe, such a unification would have...

32,000 #1704
Battle of Ramillies
Battle of Ramillies
The Battle of Ramillies , fought on 23 May 1706, was a major engagement of the War of the Spanish Succession. For the Grand Alliance – Austria, England, and the Dutch Republic – the battle had followed an indecisive campaign against the Bourbon armies of King Louis XIV of France in 1705...

War of the Spanish Succession
War of the Spanish Succession
The War of the Spanish Succession was fought among several European powers, including a divided Spain, over the possible unification of the Kingdoms of Spain and France under one Bourbon monarch. As France and Spain were among the most powerful states of Europe, such a unification would have...

15,600 #1706
Battle of Malplaquet
Battle of Malplaquet
The Battle of Malplaquet, fought on 11 September 1709, was one of the main battles of the War of the Spanish Succession, which opposed the Bourbons of France and Spain against an alliance whose major members were the Habsburg Monarchy, Great Britain, the United Provinces and the Kingdom of...

War of the Spanish Succession
War of the Spanish Succession
The War of the Spanish Succession was fought among several European powers, including a divided Spain, over the possible unification of the Kingdoms of Spain and France under one Bourbon monarch. As France and Spain were among the most powerful states of Europe, such a unification would have...

95,000 #1709
Battle of Fontenoy
Battle of Fontenoy
The Battle of Fontenoy, 11 May 1745, was a major engagement of the War of the Austrian Succession, fought between the forces of the Pragmatic Allies – comprising mainly Dutch, British, and Hanoverian troops under the nominal command of the Duke of Cumberland – and a French army under Maurice de...

War of the Austrian Succession
War of the Austrian Succession
The War of the Austrian Succession  – including King George's War in North America, the Anglo-Spanish War of Jenkins' Ear, and two of the three Silesian wars – involved most of the powers of Europe over the question of Maria Theresa's succession to the realms of the House of Habsburg.The...

14,000 #1745
Battle of Leuthen
Battle of Leuthen
In the Battle of Leuthen or Lissa, fought on 5 December 1757, Frederick the Great's Prussian army used maneuver and terrain to decisively defeat a much larger Austrian army under Charles of Lorraine, thus ensuring Prussian control of Silesia during the Seven Years' War.- Background :While Frederick...

Seven Years' War
Seven Years' War
The Seven Years' War was a global military war between 1756 and 1763, involving most of the great powers of the time and affecting Europe, North America, Central America, the West African coast, India, and the Philippines...

11,800 #1757
Battle of Zorndorf
Battle of Zorndorf
The Battle of Zorndorf was a battle fought on August 25, 1758 during the Seven Years' War, fought between the forces of the Russians troops under the command of Count William Fermor – and a Prussian army under King Frederick the Great...

Seven Years' War
Seven Years' War
The Seven Years' War was a global military war between 1756 and 1763, involving most of the great powers of the time and affecting Europe, North America, Central America, the West African coast, India, and the Philippines...

30,000 #1758
Third Battle of Panipat Marathas and Afghans
Pashtun people
Pashtuns or Pathans , also known as ethnic Afghans , are an Eastern Iranic ethnic group with populations primarily between the Hindu Kush mountains in Afghanistan and the Indus River in Pakistan...

Approximately 100,000; up to 200,000 (including civilian camp followers) #1761
Battle of Arcole
Battle of the Bridge of Arcole
The Battle of Arcole, or Battle of Arcola saw a bold manœuvre by Napoleon Bonaparte's French Army of Italy to outflank the Austrian army under József Alvinczi and cut its line of retreat...

War of the First Coalition 11,000 #1796
Battle of Marengo War of the Second Coalition
War of the Second Coalition
The "Second Coalition" was the second attempt by European monarchs, led by the Habsburg Monarchy of Austria and the Russian Empire, to contain or eliminate Revolutionary France. They formed a new alliance and attempted to roll back France's previous military conquests...

16,400 #1800
Ulm Campaign
Ulm Campaign
The Ulm Campaign consisted of a series of French and Bavarian military maneuvers and battles to outflank and capture an Austrian army in 1805 during the War of the Third Coalition. It took place in the vicinity of and inside the Swabian city of Ulm...

War of the Third Coalition 11,500 #1805
Battle of Austerlitz
Battle of Austerlitz
The Battle of Austerlitz, also known as the Battle of the Three Emperors, was one of Napoleon's greatest victories, where the French Empire effectively crushed the Third Coalition...

War of the Third Coalition 24,300 #1805
Battle of Jena-Auerstedt
Battle of Jena-Auerstedt
The twin battles of Jena and Auerstedt were fought on 14 October 1806 on the plateau west of the river Saale in today's Germany, between the forces of Napoleon I of France and Frederick William III of Prussia...

War of the Fourth Coalition
War of the Fourth Coalition
The Fourth Coalition against Napoleon's French Empire was defeated in a war spanning 1806–1807. Coalition partners included Prussia, Russia, Saxony, Sweden, and the United Kingdom....

52,000 including prisoners later killed #1806
Battle of Eylau
Battle of Eylau
The Battle of Eylau or Battle of Preussisch-Eylau, 7 and 8 February 1807, was a bloody and inconclusive battle between Napoléon's Grande Armée and a Russian Empire army under Levin August, Count von Bennigsen near the town of Preußisch Eylau in East Prussia. Late in the battle, the Russians...

War of the Fourth Coalition
War of the Fourth Coalition
The Fourth Coalition against Napoleon's French Empire was defeated in a war spanning 1806–1807. Coalition partners included Prussia, Russia, Saxony, Sweden, and the United Kingdom....

40,000 #1807
Battle of Wagram
Battle of Wagram
The Battle of Wagram was the decisive military engagement of the War of the Fifth Coalition. It took place on the Marchfeld plain, on the north bank of the Danube. An important site of the battle was the village of Deutsch-Wagram, 10 kilometres northeast of Vienna, which would give its name to the...

War of the Fifth Coalition
War of the Fifth Coalition
The War of the Fifth Coalition, fought in the year 1809, pitted a coalition of the Austrian Empire and the United Kingdom against Napoleon's French Empire and Bavaria. Major engagements between France and Austria, the main participants, unfolded over much of Central Europe from April to July, with...

77,000–79,000 #1809
Battle of Talavera Peninsular War
Peninsular War
The Peninsular War was a war between France and the allied powers of Spain, the United Kingdom, and Portugal for control of the Iberian Peninsula during the Napoleonic Wars. The war began when French and Spanish armies crossed Spain and invaded Portugal in 1807. Then, in 1808, France turned on its...

13,900 #1809
Battle of Salamanca
Battle of Salamanca
The Battle of Salamanca saw Anglo-Portuguese and Spanish armies under the Duke of Wellington defeat Marshal Auguste Marmont's French forces among the hills around Arapiles south of Salamanca, Spain on July 22, 1812 during the Peninsular War....

Peninsular War
Peninsular War
The Peninsular War was a war between France and the allied powers of Spain, the United Kingdom, and Portugal for control of the Iberian Peninsula during the Napoleonic Wars. The war began when French and Spanish armies crossed Spain and invaded Portugal in 1807. Then, in 1808, France turned on its...

18,800 #1812
Battle of Borodino
Battle of Borodino
The Battle of Borodino , fought on September 7, 1812, was the largest and bloodiest single-day action of the French invasion of Russia and all Napoleonic Wars, involving more than 250,000 troops and resulting in at least 70,000 casualties...

French Invasion of Russia
French invasion of Russia
The French invasion of Russia of 1812 was a turning point in the Napoleonic Wars. It reduced the French and allied invasion forces to a tiny fraction of their initial strength and triggered a major shift in European politics as it dramatically weakened French hegemony in Europe...

74,000 #1812
Battle of Berezina
Battle of Berezina
The Battle of Berezina took place November 26–29, 1812 between the French army of Napoleon, retreating after his invasion of Russia and crossing the Berezina , and the Russian armies under Mikhail Kutuzov, Peter Wittgenstein and Admiral Pavel Chichagov. The battle ended with a mixed outcome...

French Invasion of Russia
French invasion of Russia
The French invasion of Russia of 1812 was a turning point in the Napoleonic Wars. It reduced the French and allied invasion forces to a tiny fraction of their initial strength and triggered a major shift in European politics as it dramatically weakened French hegemony in Europe...

60,000 #1812
Battle of Vitoria
Battle of Vitoria
At the Battle of Vitoria an allied British, Portuguese, and Spanish army under General the Marquess of Wellington broke the French army under Joseph Bonaparte and Marshal Jean-Baptiste Jourdan near Vitoria in Spain, leading to eventual victory in the Peninsular War.-Background:In July 1812, after...

Peninsular War
Peninsular War
The Peninsular War was a war between France and the allied powers of Spain, the United Kingdom, and Portugal for control of the Iberian Peninsula during the Napoleonic Wars. The war began when French and Spanish armies crossed Spain and invaded Portugal in 1807. Then, in 1808, France turned on its...

13,000 #1813
Battle of Leipzig
Battle of Leipzig
The Battle of Leipzig or Battle of the Nations, on 16–19 October 1813, was fought by the coalition armies of Russia, Prussia, Austria and Sweden against the French army of Napoleon. Napoleon's army also contained Polish and Italian troops as well as Germans from the Confederation of the Rhine...

War of the Sixth Coalition
War of the Sixth Coalition
In the War of the Sixth Coalition , a coalition of Austria, Prussia, Russia, the United Kingdom, Portugal, Sweden, Spain and a number of German States finally defeated France and drove Napoleon Bonaparte into exile on Elba. After Napoleon's disastrous invasion of Russia, the continental powers...

124,000 #1813
Battle of Ligny
Battle of Ligny
The Battle of Ligny was the last victory of the military career of Napoleon I. In this battle, French troops of the Armée du Nord under Napoleon's command, defeated a Prussian army under Field Marshal Blücher, near Ligny in present-day Belgium. The bulk of the Prussian army survived, however, and...

Hundred Days
Hundred Days
The Hundred Days, sometimes known as the Hundred Days of Napoleon or Napoleon's Hundred Days for specificity, marked the period between Emperor Napoleon I of France's return from exile on Elba to Paris on 20 March 1815 and the second restoration of King Louis XVIII on 8 July 1815...

28,000 #1815
Battle of Waterloo
Battle of Waterloo
The Battle of Waterloo was fought on Sunday 18 June 1815 near Waterloo in present-day Belgium, then part of the United Kingdom of the Netherlands...

Hundred Days
Hundred Days
The Hundred Days, sometimes known as the Hundred Days of Napoleon or Napoleon's Hundred Days for specificity, marked the period between Emperor Napoleon I of France's return from exile on Elba to Paris on 20 March 1815 and the second restoration of King Louis XVIII on 8 July 1815...

47,000 or more (not including prisoners and missing) #1815
Battle of Inkerman
Battle of Inkerman
The Battle of Inkerman was fought during the Crimean War on November 5, 1854 between the allied armies of Britain and France against the Imperial Russian Army. The battle broke the will of the Russian Army to defeat the allies in the field, and was followed by the Siege of Sevastopol...

Crimean War
Crimean War
The Crimean War was a conflict fought between the Russian Empire and an alliance of the French Empire, the British Empire, the Ottoman Empire, and the Kingdom of Sardinia. The war was part of a long-running contest between the major European powers for influence over territories of the declining...

15,857 #1854
Battle of Shiloh
Battle of Shiloh
The Battle of Shiloh, also known as the Battle of Pittsburg Landing, was a major battle in the Western Theater of the American Civil War, fought April 6–7, 1862, in southwestern Tennessee. A Union army under Maj. Gen. Ulysses S. Grant had moved via the Tennessee River deep into Tennessee and...

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...

24,000 #1862
Battle of Antietam
Battle of Antietam
The Battle of Antietam , fought on September 17, 1862, near Sharpsburg, Maryland, and Antietam Creek, as part of the Maryland Campaign, was the first major battle in the American Civil War to take place on Northern soil. It was the bloodiest single-day battle in American history, with about 23,000...

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...

23,000–26,193 #1862
Battle of Fredericksburg
Battle of Fredericksburg
The Battle of Fredericksburg was fought December 11–15, 1862, in and around Fredericksburg, Virginia, between General Robert E. Lee's Confederate Army of Northern Virginia and the Union Army of the Potomac, commanded by Maj. Gen. Ambrose E. Burnside...

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...

17,300–17,962 #1862
Battle of Gettysburg
Battle of Gettysburg
The Battle of Gettysburg , was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania. The battle with the largest number of casualties in the American Civil War, it is often described as the war's turning point. Union Maj. Gen. George Gordon Meade's Army of the Potomac...

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...

51,000 #1863
Battle of Chickamauga
Battle of Chickamauga
The Battle of Chickamauga, fought September 19–20, 1863, marked the end of a Union offensive in southeastern Tennessee and northwestern Georgia called the Chickamauga Campaign...

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...

Approximately 34,000 #1863
Battle of Königgrätz
Battle of Königgrätz
The Battle of Königgrätz , also known as the Battle of Sadowa, Sadová, or Hradec Králové, was the decisive battle of the Austro-Prussian War, in which the Kingdom of Prussia defeated the Austrian Empire...

Austro-Prussian War
Austro-Prussian War
The Austro-Prussian War was a war fought in 1866 between the German Confederation under the leadership of the Austrian Empire and its German allies on one side and the Kingdom of Prussia with its German allies and Italy on the...

47,500 #1866
Battle of Tuyutí
Battle of Tuyutí
The Battle of Tuyutí was a Paraguayan offensive in the War of the Triple Alliance. The allied victory added to the Paraguayan troubles that began with a failed offensive and continued with the loss of its fleet in the Battle of Riachuelo....

War of the Triple Alliance
War of the Triple Alliance
The Paraguayan War , also known as War of the Triple Alliance , was a military conflict in South America fought from 1864 to 1870 between Paraguay and the Triple Alliance of Argentina, Brazil, and Uruguay...

7,000–16,000 #1866
Battle of Mars-la-Tour
Battle of Mars-La-Tour
The Battle of Mars-La-Tour was fought on 16 August 1870 during the Franco-Prussian War near the town of Mars-La-Tour in northeast France. Two Prussian corps encountered the entire French Army of the Rhine in a meeting engagement, and with the surprise entailed, successfully forced the Army of the...

/Battle of Gravelotte
Battle of Gravelotte
The Battle of Gravelotte was a battle of the Franco-Prussian War named after Gravelotte, a village in Lorraine between Metz and the former French–German frontier.-Terrain and armies:...

Franco-Prussian War
Franco-Prussian War
The Franco-Prussian War or Franco-German War, often referred to in France as the 1870 War was a conflict between the Second French Empire and the Kingdom of Prussia. Prussia was aided by the North German Confederation, of which it was a member, and the South German states of Baden, Württemberg and...

34,000 #1870
Battle of Sedan
Battle of Sedan
The Battle of Sedan was fought during the Franco-Prussian War on 1 September 1870. It resulted in the capture of Emperor Napoleon III and large numbers of his troops and for all intents and purposes decided the war in favour of Prussia and its allies, though fighting continued under a new French...

Franco-Prussian War
Franco-Prussian War
The Franco-Prussian War or Franco-German War, often referred to in France as the 1870 War was a conflict between the Second French Empire and the Kingdom of Prussia. Prussia was aided by the North German Confederation, of which it was a member, and the South German states of Baden, Württemberg and...

200,900 including captured #1870
Battle of Adowa
Battle of Adowa
The Battle of Adwa was fought on 1 March 1896 between Ethiopia and Italy near the town of Adwa, Ethiopia, in Tigray...

First Italo-Ethiopian War 17,300 #1896
Battle of Omdurman
Battle of Omdurman
At the Battle of Omdurman , an army commanded by the British Gen. Sir Herbert Kitchener defeated the army of Abdullah al-Taashi, the successor to the self-proclaimed Mahdi Muhammad Ahmad...

Mahdist War
Mahdist War
The Mahdist War was a colonial war of the late 19th century. It was fought between the Mahdist Sudanese and the Egyptian and later British forces. It has also been called the Anglo-Sudan War or the Sudanese Mahdist Revolt. The British have called their part in the conflict the Sudan Campaign...

20,430 #1898
Battle of Mons
Battle of Mons
The Battle of Mons was the first major action of the British Expeditionary Force in the First World War. It was a subsidiary action of the Battle of the Frontiers, in which the Allies clashed with Germany on the French borders. At Mons, the British army attempted to hold the line of the...

/Battle of Le Cateau
Battle of Le Cateau
The Battle of Le Cateau was fought on 26 August 1914, after the British, French and Belgians retreated from the Battle of Mons and had set up defensive positions in a fighting withdrawal against the German advance at Le Cateau-Cambrésis....

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

18,000 #1914

Sieges and urban combat

This list includes sieges, as well as modern battles that were fought primarily in urban areas. Major military operations that included city fighting are listed below. Sieges and urban combat often include heavy civilian casualties, which are included in this list.

This list is sortable. Click the box next to a column heading to sort by that criterion.
Siege Conflict Casualties Year
Siege of Sidon Phoenician Rebellion Against Persia Over 40,000 ! 343 BC
Siege of Jerusalem
Siege of Jerusalem (70)
The Siege of Jerusalem in the year 70 AD was the decisive event of the First Jewish-Roman War. The Roman army, led by the future Emperor Titus, with Tiberius Julius Alexander as his second-in-command, besieged and conquered the city of Jerusalem, which had been occupied by its Jewish defenders in...

First Jewish–Roman War ~60,000 to 1,100,000 #0070
Siege of Jerusalem
Siege of Jerusalem (614)
The Siege of Jerusalem in 614 was part of the final phase of the Byzantine-Sassanid Wars. The Persian Shah Khosrau II appointed his generals to conquer the Byzantine controlled areas of the Near East, establishing a strategic alliance with the Jewish population of the Sassanid Persia...

Roman–Persian Wars ~70,000 to 90,000 #0614
Siege of Constantinople Byzantine–Arab Wars 130,000–170,000 #0717–718
Siege of Jerusalem
Siege of Jerusalem (1099)
The Siege of Jerusalem took place from June 7 to July 15, 1099 during the First Crusade. The Crusaders stormed and captured the city from Fatimid Egypt.-Background:...

First Crusade
First Crusade
The First Crusade was a military expedition by Western Christianity to regain the Holy Lands taken in the Muslim conquest of the Levant, ultimately resulting in the recapture of Jerusalem...

~40,000 #1099
Siege of Baghdad Mongol invasions
Mongol invasions
Mongol invasions progressed throughout the 13th century, resulting in the vast Mongol Empire which covered much of Asia and Eastern Europe by 1300....

80,000 #1258
Siege of Tenochtitlan Spanish Conquest of Mexico
Spanish conquest of Mexico
The Spanish conquest of the Aztec Empire was one of the most important campaigns in the Spanish colonization of the Americas. The invasion began in February 1519 and was acclaimed victorious on August 13, 1521, by a coalition army of Spanish conquistadors and Tlaxcalan warriors led by Hernán Cortés...

~100,000 to 240,000 #1521
Siege of Rhodes
Siege of Rhodes (1522)
The Siege of Rhodes of 1522 was the second and ultimately successful attempt by the Ottoman Empire to expel the Knights of Rhodes from their island stronghold and thereby secure Ottoman control of the Eastern Mediterranean. The first siege, in 1480, had been unsuccessful.-Setting:The Knights of St...

Ottoman wars in Europe
Ottoman wars in Europe
The wars of the Ottoman Empire in Europe are also sometimes referred to as the Ottoman Wars or as Turkish Wars, particularly in older, European texts.- Rise :...

55,200 #1522
Siege of Malta
Siege of Malta (1565)
The Siege of Malta took place in 1565 when the Ottoman Empire invaded the island, then held by the Knights Hospitaller .The Knights, together with between 4-5,000 Maltese men,...

Ottoman wars in Europe
Ottoman wars in Europe
The wars of the Ottoman Empire in Europe are also sometimes referred to as the Ottoman Wars or as Turkish Wars, particularly in older, European texts.- Rise :...

29,000–40,000 #1565
Siege of La Rochelle
Siege of La Rochelle
The Siege of La Rochelle was a result of a war between the French royal forces of Louis XIII of France and the Huguenots of La Rochelle in 1627-1628...

French Wars of Religion
French Wars of Religion
The French Wars of Religion is the name given to a period of civil infighting and military operations, primarily fought between French Catholics and Protestants . The conflict involved the factional disputes between the aristocratic houses of France, such as the House of Bourbon and House of Guise...

Over 18,600 #1627–28
Sack of Magdeburg
Sack of Magdeburg
The Sack of Magdeburg refers to the siege and subsequent plundering of the largely Protestant city of Magdeburg by the forces of the Holy Roman Empire and the Catholic League during the Thirty Years' War...

Thirty Years' War
Thirty Years' War
The Thirty Years' War was fought primarily in what is now Germany, and at various points involved most countries in Europe. It was one of the most destructive conflicts in European history....

20,000–25,000+ #1630
Siege of Vicksburg 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...

19,000 #1863
Siege of Petersburg
Siege of Petersburg
The Richmond–Petersburg Campaign was a series of battles around Petersburg, Virginia, fought from June 9, 1864, to March 25, 1865, during the American Civil War...

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...

70,000 #1864–65
Siege of Plevna Russo–Turkish War 37,000 #1877
Siege of Port Arthur
Siege of Port Arthur
The Siege of Port Arthur , 1 August 1904 – 2 January 1905, the deep-water port and Russian naval base at the tip of the Liaotung Peninsula in Manchuria, was the longest and most violent land battle of the Russo-Japanese War....

Russo–Japanese War 100,000 #1904–05
Siege of Adrianople
Battle of Adrianople (1913)
The Battle or Siege of Adrianople or Siege of Edirne was fought during the First Balkan War, beginning in mid-November 1912 and ending on 26 March 1913 with the capture of Edirne by the Bulgarian 2nd Army....

First Balkan War
First Balkan War
The First Balkan War, which lasted from October 1912 to May 1913, pitted the Balkan League against the Ottoman Empire. The combined armies of the Balkan states overcame the numerically inferior and strategically disadvantaged Ottoman armies and achieved rapid success...

93,282, including captured #1912–13
Siege of Odessa 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...

133,813 #1941
Battle of Stalingrad
Battle of Stalingrad
The Battle of Stalingrad was a major battle of World War II in which Nazi Germany and its allies fought the Soviet Union for control of the city of Stalingrad in southwestern Russia. The battle took place between 23 August 1942 and 2 February 1943...

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...

1,250,000–1,798,619 #1942–43
Siege of Leningrad
Siege of Leningrad
The Siege of Leningrad, also known as the Leningrad Blockade was a prolonged military operation resulting from the failure of the German Army Group North to capture Leningrad, now known as Saint Petersburg, in the Eastern Front theatre of World War II. It started on 8 September 1941, when the last...

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...

1,117,000 – 4,500,000 #1941–44
Warsaw Uprising
Warsaw Uprising
The Warsaw Uprising was a major World War II operation by the Polish resistance Home Army , to liberate Warsaw from Nazi Germany. The rebellion was timed to coincide with the Soviet Union's Red Army approaching the eastern suburbs of the city and the retreat of German forces...

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...

200,000+ killed #1944
Siege of Budapest 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...

422,000 #1944–45
Battle of Berlin
Battle of Berlin
The Battle of Berlin, designated the Berlin Strategic Offensive Operation by the Soviet Union, was the final major offensive of the European Theatre of World War II....

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...

1,298,745 #1945
Battle of Vukovar
Battle of Vukovar
The Battle of Vukovar was an 87-day siege of Vukovar in eastern Croatia by the Yugoslav People's Army , supported by various paramilitary forces from Serbia, between August and November 1991. Before the Croatian War of Independence the Baroque town was a prosperous, mixed community of Croats,...

Croatian War of Independence
Croatian War of Independence
The Croatian War of Independence was fought from 1991 to 1995 between forces loyal to the government of Croatia—which had declared independence from the Socialist Federal Republic of Yugoslavia —and the Serb-controlled Yugoslav People's Army and local Serb forces, with the JNA ending its combat...

5,000 – 20,000 #1991
Siege of Sarajevo
Siege of Sarajevo
The Siege of Sarajevo is the longest siege of a capital city in the history of modern warfare. Serb forces of the Republika Srpska and the Yugoslav People's Army besieged Sarajevo, the capital city of Bosnia and Herzegovina, from 5 April 1992 to 29 February 1996 during the Bosnian War.After Bosnia...

Bosnian War of Independence 12,000 killed, with 50,000 wounded #1992–96

Major operations

This list includes major operations and prolonged battles or operations fought over a large area or for a long time. Please be aware that the duration of some operations, like the Battle of Moscow
Battle of Moscow
The Battle of Moscow is the name given by Soviet historians to two periods of strategically significant fighting on a sector of the Eastern Front during World War II. It took place between October 1941 and January 1942. The Soviet defensive effort frustrated Hitler's attack on Moscow, capital of...

, are disputed so numbers found in various sources may differ for that reason alone.

Operation Conflict Casualties Year
Six Days Campaign
Six Days Campaign
The Six Days Campaign was a final series of victories by the forces of Napoleon Bonaparte as the Sixth Coalition closed in on Paris....

War of the Sixth Coalition
War of the Sixth Coalition
In the War of the Sixth Coalition , a coalition of Austria, Prussia, Russia, the United Kingdom, Portugal, Sweden, Spain and a number of German States finally defeated France and drove Napoleon Bonaparte into exile on Elba. After Napoleon's disastrous invasion of Russia, the continental powers...

80,000 #1814
Peninsula Campaign
Peninsula Campaign
The Peninsula Campaign of the American Civil War was a major Union operation launched in southeastern Virginia from March through July 1862, the first large-scale offensive in the Eastern Theater. The operation, commanded by Maj. Gen. George B...

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...

36,463 #1862
Battle of Chancellorsville
Battle of Chancellorsville
The Battle of Chancellorsville was a major battle of the American Civil War, and the principal engagement of the Chancellorsville Campaign. It was fought from April 30 to May 6, 1863, in Spotsylvania County, Virginia, near the village of Chancellorsville. Two related battles were fought nearby on...

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...

30,000–30,500 #1863
Overland Campaign
Overland Campaign
The Overland Campaign, also known as Grant's Overland Campaign and the Wilderness Campaign, was a series of battles fought in Virginia during May and June 1864, in the American Civil War. Lt. Gen. Ulysses S. Grant, general-in-chief of all Union armies, directed the actions of the Army of 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...

87,000–92,000 #1864
Appomattox Campaign
Appomattox Campaign
The Appomattox Campaign was a series of battles fought March 29 – April 9, 1865, in Virginia that culminated in the surrender of Confederate General Robert E...

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...

16,500 #1865
Battle of Mukden
Battle of Mukden
One of the largest land battles to be fought before World War I, the , the last major land battle of the Russo-Japanese War, was fought from 20 February to 10 March 1905 between Japan and Russia near Mukden in Manchuria...

Russo–Japanese War 160,000 #1905
Battle of Lule Burgas First Balkan War
First Balkan War
The First Balkan War, which lasted from October 1912 to May 1913, pitted the Balkan League against the Ottoman Empire. The combined armies of the Balkan states overcame the numerically inferior and strategically disadvantaged Ottoman armies and achieved rapid success...

42,162+ #1912
First Battle of Çatalca
First Battle of Çatalca
The First Battle of Çatalca fought between was one of the heaviest battles of the First Balkan War. It was initiated as an attempt of the combined Bulgarian First and Third armies, under the overall command of lieutenant general Radko Dimitriev, to defeat the Ottoman Çatalca Army and break through...

First Balkan War
First Balkan War
The First Balkan War, which lasted from October 1912 to May 1913, pitted the Balkan League against the Ottoman Empire. The combined armies of the Balkan states overcame the numerically inferior and strategically disadvantaged Ottoman armies and achieved rapid success...

22,000 #1912
Battle of Bregalnica
Battle of Bregalnica
The Battle of Bregalnica was fought between the Kingdom of Bulgaria army and the Kingdom of Serbia during the Second Balkan War. Serbian forces came out victorious....

Second Balkan War
Second Balkan War
The Second Balkan War was a conflict which broke out when Bulgaria, dissatisfied with its share of the spoils of the First Balkan War, attacked its former allies, Serbia and Greece, on 29 June 1913. Bulgaria had a prewar agreement about the division of region of Macedonia...

36,620 #1913
Rape of Belgium
Rape of Belgium
The Rape of Belgium is a wartime propaganda term describing the 1914 German invasion of Belgium. The term initially had a figurative meaning, referring to the violation of Belgian neutrality, but embellished reports of German atrocities soon gave it a literal significance...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

32,000 #1914
Battle of Tannenberg
Battle of Tannenberg (1914)
The Battle of Tannenberg was an engagement between the Russian Empire and the German Empire in the first days of World War I. It was fought by the Russian First and Second Armies against the German Eighth Army between 23 August and 30 August 1914. The battle resulted in the almost complete...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

145,000–160,000 #1914
First Battle of the Marne
First Battle of the Marne
The Battle of the Marne was a First World War battle fought between 5 and 12 September 1914. It resulted in an Allied victory against the German Army under Chief of Staff Helmuth von Moltke the Younger. The battle effectively ended the month long German offensive that opened the war and had...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

513,000 #1914
First Battle of Ypres
First Battle of Ypres
The First Battle of Ypres, also called the First Battle of Flanders , was a First World War battle fought for the strategic town of Ypres in western Belgium...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

210,000 #1914
Battle of Łódź World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

130,000 #1914
Second Battle of Ypres
Second Battle of Ypres
The Second Battle of Ypres was the first time Germany used poison gas on a large scale on the Western Front in the First World War and the first time a former colonial force pushed back a major European power on European soil, which occurred in the battle of St...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

104,208–107,000 #1915
Gallipoli Campaign World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

503,000–552,000 #1915
Second Battle of Artois
Second Battle of Artois
The Second Battle of Artois, of which the British contribution was the Battle of Aubers Ridge, was a battle on the Western Front of the First World War, it was fought at the same time as the Second Battle of Ypres. Even though the French under General Philippe Pétain gained some initial victories,...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

186,000 #1915
Second Battle of Champagne
Second Battle of Champagne
The Second Battle of Champagne was a French offensive against the invading German army beginning on 25 September 1915, part of World War I.-September 25 - October 6:...

/Third Battle of Artois
Third Battle of Artois
The Third Battle of Artois was on the Western Front of World War I, is also known as the Loos-Artois Offensive, including the major British offensive, known as the Battle of Loos....

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

75,000–440,000 #1915
Gorlice–Tarnów Offensive World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

300,000 #1915
Battle of Verdun
Battle of Verdun
The Battle of Verdun was one of the major battles during the First World War on the Western Front. It was fought between the German and French armies, from 21 February – 18 December 1916, on hilly terrain north of the city of Verdun-sur-Meuse in north-eastern France...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

755,000–976,000 #1916
Battle of Asiago
Battle of Asiago
The Battle of Asiago ' or the Trentino Offensive , nicknamed Strafexpedition by the Austrians, was a counteroffensive launched by the Austro-Hungarians on the Italian Front on 15 May 1916, during World War I...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

250,000 #1916
Brusilov Offensive
Brusilov Offensive
The Brusilov Offensive , also known as the June Advance, was the Russian Empire's greatest feat of arms during World War I, and among the most lethal battles in world history. Prof. Graydon A. Tunstall of the University of South Florida called the Brusilov Offensive of 1916 the worst crisis of...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

1,600,000 #1916
Battle of the Somme World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

1,120,000–1,215,000 #1916
Monastir Offensive
Monastir Offensive
Monastir Offensive was an Allied military operation against the forces of the Central Powers during World War I, intended to break the deadlock on the Macedonian Front by forcing the capitulation of Bulgaria and relieving the pressure on Romania. The offensive took the shape of a large battle and...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

111,000 #1916
Romanian Campaign World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

240,000 #1916–1917
Nivelle Offensive
Nivelle offensive
The Nivelle Offensive was a 1917 French attack on the Western Front in the First World War. Promised as the assault that would end the war within 48 hours, with casualties expected of around 10,000 men, it failed on both counts. It was a three-stage plan:...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

354,000 #1917
Battle of Messines
Battle of Messines
The Battle of Messines was a battle of the Western front of the First World War. It began on 7 June 1917 when the British Second Army under the command of General Herbert Plumer launched an offensive near the village of Mesen in West Flanders, Belgium...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

42,000 #1917
Tenth Battle of the Isonzo
Tenth Battle of the Isonzo
The Tenth Battle of the Isonzo was an Italian offensive against Austria-Hungary in the course of World War I.-Background:With nine largely unsuccessful Isonzo battles conducted within an eighteen month period to date, Italian Chief of Staff Luigi Cadorna - responsible for launching all nine -...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

200,000 #1917
Third Battle of Ypres World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

Over 585,000 #1917
Battle of Caporetto
Battle of Caporetto
The Battle of Caporetto , took place from 24 October to 19 November 1917, near the town of Kobarid , on the Austro-Italian front of World War I...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

60,000 #1917
Battle of Cambrai World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

95,000 #1917
Spring Offensive
Spring Offensive
The 1918 Spring Offensive or Kaiserschlacht , also known as the Ludendorff Offensive, was a series of German attacks along the Western Front during World War I, beginning on 21 March 1918, which marked the deepest advances by either side since 1914...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

900,000 #1918
Second Battle of the Marne
Second Battle of the Marne
The Second Battle of the Marne , or Battle of Reims was the last major German Spring Offensive on the Western Front during the First World War. The German attack failed when an Allied counterattack led by France overwhelmed the Germans, inflicting severe casualties...

World War I
World War I
World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

288,000 #1918
Battle of Warsaw
Battle of Warsaw (1920)
The Battle of Warsaw sometimes referred to as the Miracle at the Vistula, was the decisive battle of the Polish–Soviet War. That war began soon after the end of World War I in 1918 and lasted until the Treaty of Riga resulted in the end of the hostilities between Poland and Russia in 1921.The...

Polish–Soviet War About 130,000, not including prisoners #1920
Battle of Guadalajara
Battle of Guadalajara
The Battle of Guadalajara saw the Republican People's Army defeat Italian and Nationalist forces attempting to encircle Madrid during the Spanish Civil War...

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...

12,000 #1937
Battle of Teruel
Battle of Teruel
The Battle of Teruel was fought in and around the city of Teruel during the Spanish Civil War in December 1937 – February 1938. The combatants fought the battle during the worst Spanish winter in twenty years. It was one of the bloodier actions of the war. The city changed hands several times,...

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...

110,000, including prisoners #1937–38
Battle of the Ebro
Battle of the Ebro
The Battle of the Ebro was the longest and bloodiest battle of the Spanish Civil War...

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...

106,500 #1938
Battle of Khalkhin Gol
Battle of Khalkhin Gol
The Battles of Khalkhyn Gol was the decisive engagement of the undeclared Soviet–Japanese Border Wars fought among the Soviet Union, Mongolia and the Empire of Japan in 1939. The conflict was named after the river Khalkhyn Gol, which passes through the battlefield...

Soviet-Japanese Border Wars
Soviet-Japanese Border Wars
The Soviet–Japanese Border Wars were a series of border conflicts between the Soviet Union and Japan between 1932 and 1939.Before Japanese occupation of Manchukuo, the Soviet Union had conflict with China on the border of Manchuria...

42,000 #1939
Invasion of Poland
Invasion of Poland (1939)
The Invasion of Poland, also known as the September Campaign or 1939 Defensive War in Poland and the Poland Campaign in Germany, was an invasion of Poland by Germany, the Soviet Union, and a small Slovak contingent that marked the start of World War II in Europe...

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...

310,000 #1939
Winter War
Winter War
The Winter War was a military conflict between the Soviet Union and Finland. It began with a Soviet offensive on 30 November 1939 – three months after the start of World War II and the Soviet invasion of Poland – and ended on 13 March 1940 with the Moscow Peace Treaty...

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...

152,000–225,000 #1939–40
Operation Weserübung
Operation Weserübung
Operation Weserübung was the code name for Germany's assault on Denmark and Norway during the Second World War and the opening operation of the Norwegian Campaign...

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...

12,800 #1940
Battle of France
Battle of France
In the Second World War, the Battle of France was the German invasion of France and the Low Countries, beginning on 10 May 1940, which ended the Phoney War. The battle consisted of two main operations. In the first, Fall Gelb , German armoured units pushed through the Ardennes, to cut off and...

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...

469,000 #1940
Greco-Italian War
Greco-Italian War
The Greco-Italian War was a conflict between Italy and Greece which lasted from 28 October 1940 to 23 April 1941. It marked the beginning of the Balkans Campaign of World War II...

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...

100,000 dead #1940–41
Battle of Greece
Battle of Greece
The Battle of Greece is the common name for the invasion and conquest of Greece by Nazi Germany in April 1941. Greece was supported by British Commonwealth forces, while the Germans' Axis allies Italy and Bulgaria played secondary roles...

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...

46,295 dead #1941
Battle of Crete
Battle of Crete
The Battle of Crete was a battle during World War II on the Greek island of Crete. It began on the morning of 20 May 1941, when Nazi Germany launched an airborne invasion of Crete under the code-name Unternehmen Merkur...

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...

16,007 dead #1941
Operation Barbarossa
Operation Barbarossa
Operation Barbarossa was the code name for Germany's invasion of the Soviet Union during World War II that began on 22 June 1941. Over 4.5 million troops of the Axis powers invaded the USSR along a front., the largest invasion in the history of warfare...

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...

1,400,000–5,000,000 #1941
Battle of Moscow
Battle of Moscow
The Battle of Moscow is the name given by Soviet historians to two periods of strategically significant fighting on a sector of the Eastern Front during World War II. It took place between October 1941 and January 1942. The Soviet defensive effort frustrated Hitler's attack on Moscow, capital of...

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...

1,000,000 #1941
Battle of Hong Kong
Battle of Hong Kong
The Battle of Hong Kong took place during the Pacific campaign of World War II. It began on 8 December 1941 and ended on 25 December 1941 with Hong Kong, then a Crown colony, surrendering to the Empire of Japan.-Background:...

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...

18,000 including prisoners #1941
Battle of Malaya
Battle of Malaya
The Malayan Campaign was a campaign fought by Allied and Japanese forces in Malaya, from 8 December 1941 – 31 January 1942 during the Second World War. The campaign was dominated by land battles between British Commonwealth army units, and the Imperial Japanese Army...

/Battle of Singapore
Battle of Singapore
The Battle of Singapore was fought in the South-East Asian theatre of the Second World War when the Empire of Japan invaded the Allied stronghold of Singapore. Singapore was the major British military base in Southeast Asia and nicknamed the "Gibraltar of the East"...

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...

143,800, and 60,000 prisoners #1941–42
Battle of Bataan
Battle of Bataan
The Battle of Bataan represented the most intense phase of Imperial Japan's invasion of the Philippines during World War II. The capture of the Philippine Islands was crucial to Japan's effort to control the Southwest Pacific, seize the resource-rich Dutch East Indies, and protect its Southeast...

/Battle of Corregidor
Battle of Corregidor
The Battle for Corregidor was the culmination of the Japanese campaign for the conquest of the Philippines. The fall of Bataan on 9 April 1942 ended all organized opposition by the U.S...

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...

30,000 killed #1942
Battle of the Kerch Peninsula
Battle of the Kerch Peninsula
Battle of the Kerch Peninsula was a World War II offensive by German and Romanian armies against the Soviet Crimean Front forces defending the Kerch Peninsula, in the eastern part of the Crimea. It was launched on 8 May 1942 and concluded around 18 May 1942 with the near complete destruction of...

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...

Over 176,000 #1942
Second Battle of Kharkov
Second Battle of Kharkov
The Second Battle of Kharkov, so named by Wilhelm Keitel, was an Axis counter-offensive against the Red Army Izium bridgehead offensive conducted from 12 May to 28 May 1942, on the Eastern Front during World War II. Its objective was to eliminate the Izium bridgehead over Seversky Donets, or the...

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...

300,000 #1942
Battle of Gazala
Battle of Gazala
The Battle of Gazala was an important battle of the Second World War Western Desert Campaign, fought around the port of Tobruk in Libya from 26 May-21 June 1942...

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...

148,000 #1942
Guadalcanal Campaign
Guadalcanal campaign
The Guadalcanal Campaign, also known as the Battle of Guadalcanal and codenamed Operation Watchtower by Allied forces, was a military campaign fought between August 7, 1942 and February 9, 1943 on and around the island of Guadalcanal in the Pacific theatre of World War II...

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...

31,100 #1942–43
Second Battle of El Alamein
Second Battle of El Alamein
The Second Battle of El Alamein marked a major turning point in the Western Desert Campaign of the Second World War. The battle took place over 20 days from 23 October – 11 November 1942. The First Battle of El Alamein had stalled the Axis advance. Thereafter, Lieutenant-General Bernard Montgomery...

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...

39,400–82,500 #1942
Operation Iskra 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...

129,332 #1943
Guadalcanal Campaign
Guadalcanal campaign
The Guadalcanal Campaign, also known as the Battle of Guadalcanal and codenamed Operation Watchtower by Allied forces, was a military campaign fought between August 7, 1942 and February 9, 1943 on and around the island of Guadalcanal in the Pacific theatre of World War II...

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...

29,100 dead #1942–43
Battle of Kursk
Battle of Kursk
The Battle of Kursk took place when German and Soviet forces confronted each other on the Eastern Front during World War II in the vicinity of the city of Kursk, in the Soviet Union in July and August 1943. It remains both the largest series of armored clashes, including the Battle of Prokhorovka,...

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...

257,125–388,000 #1943
Allied invasion of Sicily
Allied invasion of Sicily
The Allied invasion of Sicily, codenamed Operation Husky, was a major World War II campaign, in which the Allies took Sicily from the Axis . It was a large scale amphibious and airborne operation, followed by six weeks of land combat. It launched the Italian Campaign.Husky began on the night of...

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...

At least 36,000 killed, and over 100,000 Italian POWs #1943
Allied invasion of Italy
Allied invasion of Italy
The Allied invasion of Italy was the Allied landing on mainland Italy on September 3, 1943, by General Harold Alexander's 15th Army Group during the Second World War. The operation followed the successful invasion of Sicily during the Italian Campaign...

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...

17,092 killed #1943
Bougainville Campaign 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...

21,929 killed, and 23,571 Japanese prisoners #1943–45
Battle of Monte Cassino
Battle of Monte Cassino
The Battle of Monte Cassino was a costly series of four battles during World War II, fought by the Allies against Germans and Italians with the intention of breaking through the Winter Line and seizing Rome.In the beginning of 1944, the western half of the Winter Line was being anchored by Germans...

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...

185,000 #1944
Battle of Narva
Battle of Narva (1944)
The Battle of Narva was a military campaign between the German Army Detachment "Narwa" and the Soviet Leningrad Front fought for possession of the strategically important Narva Isthmus on 2 February – 10 August 1944 during World War II....

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...

550,000 all causes #1944
Operation Shingle
Operation Shingle
Operation Shingle , during the Italian Campaign of World War II, was an Allied amphibious landing against Axis forces in the area of Anzio and Nettuno, Italy. The operation was commanded by Major General John P. Lucas and was intended to outflank German forces of the Winter Line and enable an...

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...

52,200 killed #1944
Operation Shingle
Operation Shingle
Operation Shingle , during the Italian Campaign of World War II, was an Allied amphibious landing against Axis forces in the area of Anzio and Nettuno, Italy. The operation was commanded by Major General John P. Lucas and was intended to outflank German forces of the Winter Line and enable an...

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...

52,200 killed #1944
Normandy Landings 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...

14,000 – 19,000 #1944
First Jassy–Kishinev Offensive 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...

195,000 #1944
Battle of Saipan
Battle of Saipan
The Battle of Saipan was a battle of the Pacific campaign of World War II, fought on the island of Saipan in the Mariana Islands from 15 June-9 July 1944. The Allied invasion fleet embarking the expeditionary forces left Pearl Harbor on 5 June 1944, the day before Operation Overlord in Europe was...

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...

43,500 killed, including mass suicides #1944
Operation Bagration 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...

528,000–1,430,000 #1944
Falaise Pocket
Falaise pocket
The battle of the Falaise Pocket, fought during the Second World War from 12 to 21 August 1944, was the decisive engagement of the Battle of Normandy...

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...

140,000 #1944
Second Jassy–Kishinev Offensive 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...

485,424, including prisoners #1944
Operation Market Garden
Operation Market Garden
Operation Market Garden was an unsuccessful Allied military operation, fought in the Netherlands and Germany in the Second World War. It was the largest airborne operation up to that time....

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...

27,200 #1944
Battle of Hürtgen Forest
Battle of Hurtgen Forest
The Battle of Hürtgen Forest is the name given to the series of fierce battles fought between U.S. and German forces during World War II in the Hürtgen Forest, which became the longest battle on German ground during World War II, and the longest single battle the U.S. Army has ever fought...

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...

63,000 #1944–45
Battle of Leyte Gulf
Battle of Leyte Gulf
The Battle of Leyte Gulf, also called the "Battles for Leyte Gulf", and formerly known as the "Second Battle of the Philippine Sea", is generally considered to be the largest naval battle of World War II and, by some criteria, possibly the largest naval battle in history.It was fought in waters...

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...

12,000 killed #1944
Battle of the Bulge
Battle of the Bulge
The Battle of the Bulge was a major German offensive , launched toward the end of World War II through the densely forested Ardennes mountain region of Wallonia in Belgium, hence its French name , and France and...

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...

186,369 #1944–45
Battle of Luzon
Battle of Luzon
The Battle of Luzon was a land battle fought as part of the Pacific Theater of Operations of World War II by the Allied forces of the U.S., its colony The Philippines, and Mexico against forces of the Empire of Japan. The battle resulted in a U.S. and Filipino victory...

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...

332,330–345,330, including sick #1945
Battle of the Rhineland 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...

82,000 and 250,000 prisoners #1945
Battle of Iwo Jima
Battle of Iwo Jima
The Battle of Iwo Jima , or Operation Detachment, was a major battle in which the United States fought for and captured the island of Iwo Jima from the Empire of Japan. The U.S...

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...

44,821–48,700 #1945
Battle of Okinawa
Battle of Okinawa
The Battle of Okinawa, codenamed Operation Iceberg, was fought on the Ryukyu Islands of Okinawa and was the largest amphibious assault in the Pacific War of World War II. The 82-day-long battle lasted from early April until mid-June 1945...

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...

113,920–158,400 #1945
Arab–Israeli War Arab–Israeli conflict
Arab–Israeli conflict
The Arab–Israeli conflict refers to political tensions and open hostilities between the Arab peoples and the Jewish community of the Middle East. The modern Arab-Israeli conflict began with the rise of Zionism and Arab Nationalism towards the end of the nineteenth century, and intensified with the...

12,000–19,000 #1948–49
Liaoshen Campaign
Liaoshen Campaign
Liaoshen Campaign , literally the abbreviation of Liaoning-Shenyang Campaign, was part of the three major campaigns launched by the People's Liberation Army during the late stage of the Chinese Civil War. This engagement is known in the Nationalist government as the Battle of Liaoshi...

Chinese Civil War
Chinese Civil War
The Chinese Civil War was a civil war fought between the Kuomintang , the governing party of the Republic of China, and the Communist Party of China , for the control of China which eventually led to China's division into two Chinas, Republic of China and People's Republic of...

542,000, including captured #1948
Huaihai Campaign
Huaihai Campaign
Huaihai Campaign or Battle of Hsupeng was a military action during 1948 and 1949 that was the determining battle of the Chinese Civil War. It was one of the few conventional battles of the war. 550,000 troops of the Republic of China were surrounded in Xuzhou and destroyed by the communist...

Chinese Civil War
Chinese Civil War
The Chinese Civil War was a civil war fought between the Kuomintang , the governing party of the Republic of China, and the Communist Party of China , for the control of China which eventually led to China's division into two Chinas, Republic of China and People's Republic of...

689,000, including captured #1948
Pingjin Campaign
Pingjin Campaign
Pingjin Campaign , known as the Battle of Pingjin to the Nationalist Government, was part of the three major campaigns launched by the People's Liberation Army during the late stage of the Chinese Civil War. It began on November 29, 1948, and ended on January 31, 1949, lasted a total of 64 days...

Chinese Civil War
Chinese Civil War
The Chinese Civil War was a civil war fought between the Kuomintang , the governing party of the Republic of China, and the Communist Party of China , for the control of China which eventually led to China's division into two Chinas, Republic of China and People's Republic of...

560,000, including captured #1948–49
Battle of Incheon 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...

17,429 #1950
Invasion of North Korea
UN Offensive, 1950
The first United Nations offensive during the Korean War began on September 15, 1950, with the U.S. X Corps, under Army Maj. Gen. Edward M. Almond, making an amphibious assault at Inchon, 150 miles north from the frontlines. In the south, the Eighth U.S. Army, made up of U.S., ROK, and British...

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...

51,700 #1950
Battle of Dien Bien Phu
Battle of Dien Bien Phu
The Battle of Dien Bien Phu was the climactic confrontation of the First Indochina War between the French Union's French Far East Expeditionary Corps and Viet Minh communist revolutionaries. The battle occurred between March and May 1954 and culminated in a comprehensive French defeat that...

First Indochina War
First Indochina War
The First Indochina War was fought in French Indochina from December 19, 1946, until August 1, 1954, between the French Union's French Far East...

31,500, not including prisoners #1954
Tet Offensive Vietnam 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...

65,000 #1968
Easter Offensive Vietnam 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...

150,000 #1972
Yom Kippur War
Yom Kippur War
The Yom Kippur War, Ramadan War or October War , also known as the 1973 Arab-Israeli War and the Fourth Arab-Israeli War, was fought from October 6 to 25, 1973, between Israel and a coalition of Arab states led by Egypt and Syria...

Arab–Israeli conflict
Arab–Israeli conflict
The Arab–Israeli conflict refers to political tensions and open hostilities between the Arab peoples and the Jewish community of the Middle East. The modern Arab-Israeli conflict began with the rise of Zionism and Arab Nationalism towards the end of the nineteenth century, and intensified with the...

21,688, not including prisoners #1973
Falklands War
Falklands War
The Falklands War , also called the Falklands Conflict or Falklands Crisis, was fought in 1982 between Argentina and the United Kingdom over the disputed Falkland Islands and South Georgia and the South Sandwich Islands...

Falklands War
Falklands War
The Falklands War , also called the Falklands Conflict or Falklands Crisis, was fought in 1982 between Argentina and the United Kingdom over the disputed Falkland Islands and South Georgia and the South Sandwich Islands...

14,095, including prisoners #1982
1982 Lebanon War
1982 Lebanon War
The 1982 Lebanon War , , called Operation Peace for Galilee by Israel, and later known in Israel as the Lebanon War and First Lebanon War, began on 6 June 1982, when the Israel Defense Forces invaded southern Lebanon...

Israeli–Lebanese conflict 18,500 #1982–85
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...

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...

25,678 #1991
Invasion of Iraq
2003 invasion of Iraq
The 2003 invasion of Iraq , was the start of the conflict known as the Iraq War, or Operation Iraqi Freedom, in which a combined force of troops from the United States, the United Kingdom, Australia and Poland invaded Iraq and toppled the regime of Saddam Hussein in 21 days of major combat operations...

Iraq War 34,543 #2003
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