Early histories of a war typically describe the war as it was declared by the states involved. It is not uncommon for later historians to group together a series of wars over a long period or spread over several

theaters Theatre or theater is a collaborative form of performing art that uses live performers, usually actors or actresses, to present the experience of a real or imagined event before a live audience in a specific place, often a stage. The perform ...

as part of a broader conflict or

strategic Strategy (from Greek στρατηγία ''stratēgia'', "art of troop leader; office of general, command, generalship") is a general plan to achieve one or more long-term or overall goals under conditions of uncertainty. In the sense of the "art ...

campaign. The most familiar of these in the present day is probably the

Cold War The Cold War is a term commonly used to refer to a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc. The term '' cold war'' is used because the ...

and the

War on Terror The war on terror, officially the Global War on Terrorism (GWOT), is an ongoing international Counterterrorism, counterterrorism military campaign initiated by the United States following the September 11 attacks. The main targets of the campa ...

, which included the

Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...

(1950–1953) (Cold War), the

Vietnam War The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vie ...

(1965–1973) (Cold War), the

Persian Gulf War The Gulf War was a 1990–1991 armed campaign waged by a 35-country military coalition in response to the Iraqi invasion of Kuwait. Spearheaded by the United States, the coalition's efforts against Iraq were carried out in two key phases: ...

(1990–1991) (Cold War), the

War in Afghanistan War in Afghanistan, Afghan war, or Afghan civil war may refer to: *Conquest of Afghanistan by Alexander the Great (330 BC – 327 BC) *Muslim conquests of Afghanistan (637–709) *Conquest of Afghanistan by the Mongol Empire (13th century), see als ...

(2001–2021) (War on Terror), and the

Iraq War {{Infobox military conflict , conflict = Iraq War {{Nobold, {{lang, ar, حرب العراق (Arabic) {{Nobold, {{lang, ku, شەڕی عێراق (Kurdish languages, Kurdish) , partof = the Iraq conflict (2003–present), I ...

(2003–2011) (War on Terror) to name these five wars during the Cold War and the War on Terror. These groupings provide useful context for the wars involved. Note that some groupings overlap time periods and its possible for more than one war to be going on at the same time.

Afro-Eurasia

*499 BC – 448 BC

Greco-Persian Wars The Greco-Persian Wars (also often called the Persian Wars) were a series of conflicts between the Achaemenid Empire and Greek city-states that started in 499 BC and lasted until 449 BC. The collision between the fractious political world of the ...

*322 BC - 275 BC

Wars of the Diadochi The Wars of the Diadochi ( grc, Πόλεμοι τῶν Διαδόχων, '), or Wars of Alexander's Successors, were a series of conflicts that were fought between the generals of Alexander the Great, known as the Diadochi, over who would rule h ...

*274 BC - 168 BC

Syrian Wars The Syrian Wars were a series of six wars between the Seleucid Empire and the Ptolemaic Kingdom of Egypt, successor states to Alexander the Great's empire, during the 3rd and 2nd centuries BC over the region then called Coele-Syria, one of th ...

*264 BC – 146 BC

Punic Wars The Punic Wars were a series of wars between 264 and 146BC fought between Roman Republic, Rome and Ancient Carthage, Carthage. Three conflicts between these states took place on both land and sea across the western Mediterranean region and i ...

*66 BC – 628 AD

Roman–Persian Wars The Roman–Persian Wars, also known as the Roman–Iranian Wars, were a series of conflicts between states of the Greco-Roman world and two successive Iranian empires: the Parthian and the Sasanian. Battles between the Parthian Empire and the ...

:*66 BC - 217 AD

Roman–Parthian Wars The Roman–Parthian Wars (54 BC – 217 AD) were a series of conflicts between the Parthian Empire and the Roman Republic and Roman Empire. It was the first series of conflicts in what would be 682 years of Roman–Persian Wars. Battles ...

:*230–392 Roman–Sasanian wars :*392–628 Byzantine–Sasanian wars *66–136

Jewish–Roman wars The Jewish–Roman wars were a series of large-scale revolts by the Jews of the Eastern Mediterranean against the Roman Empire between 66 and 135 CE. The First Jewish–Roman War (66–73 CE) and the Bar Kokhba revolt (132–136 CE) were nati ...

*485–556

Samaritan revolts The Samaritan revolts (c. 484–573) were a series of insurrections in Palaestina Prima province, launched by the Samaritans against the Eastern Roman Empire. The revolts were marked by great violence on both sides, and their brutal suppression a ...

*622–755

Early Muslim conquests The early Muslim conquests or early Islamic conquests ( ar, الْفُتُوحَاتُ الإسْلَامِيَّة, ), also referred to as the Arab conquests, were initiated in the 7th century by Muhammad, the main Islamic prophet. He estab ...

**629–11th century

Arab–Byzantine wars The Arab–Byzantine wars were a series of wars between a number of Muslim Arab dynasties and the Byzantine Empire between the 7th and 11th centuries AD. Conflict started during the initial Muslim conquests, under the expansionist Rashidun an ...

**650s–737

Arab–Khazar wars The Arab–Khazar wars were a series of conflicts fought between the armies of the Khazar Khaganate and the Rashidun, Umayyad, and Abbasid caliphates and their respective vassals. Historians usually distinguish two major periods of conflict, th ...

*680–1355

Byzantine–Bulgarian wars The Byzantine–Bulgarian wars were a series of conflicts fought between the Byzantines and Bulgarians which began when the Bulgars first settled in the Balkan peninsula in the 5th century, and intensified with the expansion of the Bulgarian E ...

*718–1492 Iberian

Reconquista The ' (Spanish, Portuguese and Galician for "reconquest") is a historiographical construction describing the 781-year period in the history of the Iberian Peninsula between the Umayyad conquest of Hispania in 711 and the fall of the Nasrid ...

*830s–1043 Rus'–Byzantine wars *1048–1308 Byzantine–Seljuq wars *1090–1194

Nizari–Seljuk conflicts By the late 11th century, the Shi'a sub-sect of Isma'ilism, Ismailism (later Nizari Ismailism) had found many adherents in Iran, Persia, although the region was occupied by the Sunni Seljuk Empire. The hostile tendencies of the Sunni Revival, Abba ...

*1095–1291

Crusades The Crusades were a series of religious wars initiated, supported, and sometimes directed by the Latin Church in the medieval period. The best known of these Crusades are those to the Holy Land in the period between 1095 and 1291 that were in ...

*1299–1453 Byzantine–Ottoman wars *1676–1918

Russo-Turkish wars The Russo-Turkish wars (or Ottoman–Russian wars) were a series of twelve wars fought between the Russian Empire and the Ottoman Empire between the 16th and 20th centuries. It was one of the longest series of military conflicts in European histor ...

*1689–1815

Second Hundred Years' War The Second Hundred Years' War is a periodization or historical era term used by some historians to describe the series of military conflicts between Great Britain and France that occurred from about 1689 (or some say 1714) to 1815. The Second Hun ...

*1722–1828

Russo-Persian Wars The Russo-Persian Wars or Russo-Iranian Wars were a series of conflicts between 1651 and 1828, concerning Iran, Persia (Iran) and the Russian Empire. Russia and Persia fought these wars over disputed governance of territories and countries in th ...

*1919–1923

Turkish War of Independence The Turkish War of Independence "War of Liberation", also known figuratively as ''İstiklâl Harbi'' "Independence War" or ''Millî Mücadele'' "National Struggle" (19 May 1919 – 24 July 1923) was a series of military campaigns waged by th ...

Africa

*1955–present Sudanese civil wars *1996–present Congo wars

Asia

*133 BC–89 AD

Han–Xiongnu War The Han–Xiongnu War,. also known as the Sino–Xiongnu War, was a series of military battles fought between the Han Empire and the nomadic Xiongnu confederation from 133 BC to 89 AD. Starting from Emperor Wu's reign (r. 141–87 BC), the Han ...

*109 BC–108 BC

Gojoseon–Han War The Han conquest of Gojoseon was a campaign launched by Emperor Wu of Han China against Wiman Joseon between 109 and 108 BCE. It resulted in the fall of Gojoseon and the establishment of the Four Commanderies of Han in the northern half of the ...

*220–280 Wars of the Three Kingdoms (China) *588–630

Göktürk–Persian wars The conflicts between the Göktürks and the Sassanid Empire include: * First Perso-Turkic War (588–589) * Second Perso-Turkic War (606–608) * Third Perso-Turkic War The Third Perso-Turkic War was the third and final conflict between the ...

*598–614 Goguryeo–Sui Wars *629-630 Tang conquest of the Eastern Turks *645–668 Goguryeo–Tang Wars *657 Tang conquest of the Western Turks *1206–1279

Mongol invasion of China The Mongol conquest of China was a series of major military efforts by the Mongol Empire to conquer various empires ruling over China. It spanned six decades in the 13th century and involved the defeat of the Jin dynasty, Western Liao, We ...

*1231–1259

Mongol invasions of Korea A series of campaigns were conducted between 1231 and 1270 by the Mongol Empire against the Goryeo dynasty of Korea. There were seven major campaigns at tremendous cost to civilian lives, the last campaign made Goryeo a vassal state of the Yu ...

*1274–1281

Mongol invasions of Japan Major military efforts were taken by Kublai Khan of the Yuan dynasty in 1274 and 1281 to conquer the Japanese archipelago after the submission of the Korean kingdom of Goryeo to vassaldom. Ultimately a failure, the invasion attempts are of mac ...

*1592–1598

Japanese invasions of Korea Japanese may refer to: * Something from or related to Japan, an island country in East Asia * Japanese language, spoken mainly in Japan * Japanese people, the ethnic group that identifies with Japan through ancestry or culture ** Japanese diaspor ...

*1627–1636 Manchu invasions of Korea *1747–1793

Ten Great Campaigns The Ten Great Campaigns () were a series of military campaigns launched by the Qing dynasty of China in the mid–late 18th century during the reign of the Qianlong Emperor (r. 1735–1796). They included three to enlarge the area of Qing contro ...

*1839–1860 Opium Wars:

First Opium War The First Opium War (), also known as the Opium War or the Anglo-Sino War was a series of military engagements fought between Britain and the Qing dynasty of China between 1839 and 1842. The immediate issue was the Chinese enforcement of the ...

(18391842) and

Second Opium War The Second Opium War (), also known as the Second Anglo-Sino War, the Second China War, the Arrow War, or the Anglo-French expedition to China, was a colonial war lasting from 1856 to 1860, which pitted the British Empire and the French Emp ...

(1856{{ndash1860) *1894–1945

Sino-Japanese wars Sino-Japanese War most often refers to: * The First Sino-Japanese War (1894–1895), between China (Qing Dynasty) and Japan (Empire of Japan), primarily over control of Korea * The Second Sino-Japanese War (1937–1945), began between China (Republ ...

*1902-1932 Unification Wars of Arabia *1920–present

Kurdish rebellions in Turkey Kurdish may refer to: *Kurds or Kurdish people *Kurdish languages *Kurdish alphabets *Kurdistan, the land of the Kurdish people which includes: **Southern Kurdistan **Eastern Kurdistan **Northern Kurdistan **Western Kurdistan See also * Kurd (dis ...

*1930–1939

Soviet–Japanese border conflicts The Soviet–Japanese border conflicts, also known as the Soviet-Japanese Border War or the First Soviet-Japanese War,was a series of minor and major conflicts fought between the Soviet Union (led by Joseph Stalin), Mongolia (led by Khorloog ...

*1941–1945

Pacific War The Pacific War, sometimes called the Asia–Pacific War, was the theater of World War II that was fought in Asia, the Pacific Ocean, the Indian Ocean, and Oceania. It was geographically the largest theater of the war, including the vast ...

also includes a small piece of Oceania Region but mainly an Asian war. *1947–present

Indo-Pakistani wars and conflicts Since the Partition of India, Partition of British India in 1947 and subsequent creation of the dominions of Dominion of India, India and Dominion of Pakistan, Pakistan, the two countries have been involved in a number of wars, conflicts, and m ...

and

Kashmir conflict The Kashmir conflict is a territorial conflict over the Kashmir region, primarily between India and Pakistan, with China playing a third-party role. The conflict started after the partition of India in 1947 as both India and Pakistan claim ...

*1948–present

Arab–Israeli conflict The Arab–Israeli conflict is an ongoing intercommunal phenomenon involving political tension, military conflicts, and other disputes between Arab countries and Israel, which escalated during the 20th century, but had mostly faded out by the ...

*1950–1953

*1955–1975

*1961-1997

Iraqi–Kurdish conflict The Iraqi–Kurdish conflict consists of a series of wars and rebellions by the Kurdish people, Kurds against the central authority of Iraq during the 20th century, which began shortly after the defeat of the Ottoman Empire in World War I and las ...

*1962

Sino-Indian War The Sino-Indian War took place between China and India from October to November 1962, as a major flare-up of the Sino-Indian border dispute. There had been a series of violent border skirmishes between the two countries after the 1959 Tib ...

*1978–present Afghan Civil War

Americas and Europe

*1607–1890 Kingdom of England, and United States, versus Native Americans *1689–1763

French and Indian Wars The French and Indian Wars were a series of conflicts that occurred in North America between 1688 and 1763, some of which indirectly were related to the European dynastic wars. The title ''French and Indian War'' in the singular is used in the U ...

*1754–1814

Sixty Years' War The Sixty Years' War (1754–1815) was a military struggle for control of the North American Great Lakes region (North America), Great Lakes region, including Lake Champlain and Lake George (lake), New York, Lake George, encompassing a number ...

*1860-1877

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states th ...

and

Reconstruction Era The Reconstruction era was a period in American history following the American Civil War (1861–1865) and lasting until approximately the Compromise of 1877. During Reconstruction, attempts were made to rebuild the country after the bloo ...

(re-admitting States to the Union)

Europe

*58 BC – 50 BC

Gallic Wars The Gallic Wars were waged between 58 and 50 BC by the Roman general Julius Caesar against the peoples of Gaul (present-day France, Belgium, Germany and Switzerland). Gallic, Germanic, and British tribes fought to defend their homela ...

*1142–1445

Swedish–Novgorodian Wars Swedish–Novgorodian Wars were a series of conflicts in the 12th and 13th centuries between the Republic of Novgorod and medieval Sweden over control of the Gulf of Finland, an area vital to the Hanseatic League and part of the Varangian-Byzant ...

*1296–1363

Wars of Scottish Independence The Wars of Scottish Independence were a series of military campaigns fought between the Kingdom of Scotland and the Kingdom of England in the late 13th and early 14th centuries. The First War (1296–1328) began with the English invasion of ...

*1135–1453 Wars between the kingdom of England and the French **1337–1453

Hundred Years' War The Hundred Years' War (; 1337–1453) was a series of armed conflicts between the kingdoms of Kingdom of England, England and Kingdom of France, France during the Late Middle Ages. It originated from disputed claims to the French Crown, ...

*1438–1552

Russo-Kazan Wars The Russo-Kazan Wars was a series of wars fought between the Grand Duchy of Moscow and the Khanate of Kazan from 1439, until Kazan was finally conquered by the Tsardom of Russia under Ivan the Terrible in 1552. General Before it separated from ...

*1455–1485

Wars of the Roses The Wars of the Roses (1455–1487), known at the time and for more than a century after as the Civil Wars, were a series of civil wars fought over control of the English throne in the mid-to-late fifteenth century. These wars were fought bet ...

*1494–1559

Italian Wars The Italian Wars, also known as the Habsburg–Valois Wars, were a series of conflicts covering the period 1494 to 1559, fought mostly in the Italian peninsula, but later expanding into Flanders, the Rhineland and the Mediterranean Sea. The pr ...

*1496–1809

Russo-Swedish wars Wars between Russia and Sweden Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> ...

*1507–1572

Russo-Crimean Wars The Russo-Crimean Wars were fought between the forces of the Tsardom of Russia and the Crimean Khanate during the 16th century over the region around the Volga River. In the 16th century, the Wild Steppes in Russia were exposed to the Khanat ...

*1562–1598

French Wars of Religion The French Wars of Religion is the term which is used in reference to a period of civil war between French Catholic Church, Catholics and Protestantism, Protestants, commonly called Huguenots, which lasted from 1562 to 1598. According to estim ...

*1637–1652

Wars of the Three Kingdoms The Wars of the Three Kingdoms were a series of related conflicts fought between 1639 and 1653 in the kingdoms of Kingdom of England, England, Kingdom of Scotland, Scotland and Kingdom of Ireland, Ireland, then separate entities united in a pers ...

(Europe) *1648–1667

The Deluge The Genesis flood narrative (chapters 6–9 of the Book of Genesis) is the Hebrew version of the universal flood myth. It tells of God's decision to return the universe to its pre- creation state of watery chaos and remake it through the microc ...

*1754–1763

Seven Years' War The Seven Years' War (1756–1763) was a global conflict that involved most of the European Great Powers, and was fought primarily in Europe, the Americas, and Asia-Pacific. Other concurrent conflicts include the French and Indian War (1754� ...

*1792–1802

French Revolutionary Wars The French Revolutionary Wars (french: Guerres de la Révolution française) were a series of sweeping military conflicts lasting from 1792 until 1802 and resulting from the French Revolution. They pitted French First Republic, France against Ki ...

*1848–1866 Italian Independence wars *1912–1913

Balkan Wars The Balkan Wars refers to a series of two conflicts that took place in the Balkan States in 1912 and 1913. In the First Balkan War, the four Balkan States of Greece, Serbia, Montenegro and Bulgaria declared war upon the Ottoman Empire and defe ...

*1941–1944

Continuation War The Continuation War, also known as the Second Soviet-Finnish War, was a conflict fought by Finland and Nazi Germany against the Soviet Union from 1941 to 1944, as part of World War II.; sv, fortsättningskriget; german: Fortsetzungskrieg. A ...

(Finland-USSR) *1941–1945

Great Patriotic War The Eastern Front of World War II was a theatre of conflict between the European Axis powers against the Soviet Union (USSR), Poland and other Allies, which encompassed Central Europe, Eastern Europe, Northeast Europe (Baltics), and Sout ...

*1991–2001

Yugoslav Wars The Yugoslav Wars were a series of separate but related#Naimark, Naimark (2003), p. xvii. ethnic conflicts, wars of independence, and Insurgency, insurgencies that took place in the Socialist Federal Republic of Yugoslavia, SFR Yugoslavia from ...

World Wars

*1914–1918

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

*1939–1945

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

*1947–1991

*2001–2021

Military conflicts spanning multiple wars