List of wars involving the United States

This is a list of wars involving the United States of America.

18th-century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and its Allies
American Revolutionary War (1775–1783) Location: Eastern North America, Gibraltar, India, Caribbean Sea, and the Atlantic The Battle of Long Island, August 27, 1776	United States France Canadian Auxiliaries Spain Iroquois Oneida Tuscarora Watauga Association Catawba Lenape Choctaw Dutch Republic Mysore	Great Britain Loyalists German Auxiliaries Iroquois Onondaga Mohawk Cayuga Seneca Cherokee	US-allied victory Treaty of Paris (1783) Britain recognizes the independence of the United States of America
Cherokee–American wars (1776–1795) Part of the American Indian Wars Location: Old Southwest Abduction of Daniel Boone's daughter by the Cherokee	United States Choctaw	Cherokee	US-allied victory
Northwest Indian War (1785–1793) Part of the American Indian Wars Location: Northwest Territory The Battle of Fallen Timbers	United States Chickasaw Choctaw	Western Confederacy List Council of Three Fires Iroquois Confederacy Seven Nations of Canada Wabash Confederacy (Wea, Piankashaw, and others) Illini Confederacy Wyandot Mississaugas Menominee Shawnee Lenape Miami Kickapoo Kaskaskia Chickamauga Cherokee (or "Lower Cherokee") Upper Muscogee Great Britain British North America	US-allied victory Treaty of Greenville (1795) American occupation of the Northwest Territory
Shays' Rebellion (1786–1787) Location: Massachusetts Shays' troops are repulsed from the armory at Springfield, Massachusetts in early 1787.	United States	Anti-government protesters	US victory Problems with the Articles of Confederation spur U.S. Constitutional Convention
Whiskey Rebellion (1791–1794) Location: Western Pennsylvania George Washington reviews troops before their march to suppress the rebellion in western Pennsylvania.	United States	Frontier tax protesters	US victory
Quasi-War (1798–1800) Location: Atlantic Ocean, the Caribbean, the Indian Ocean and the Mediterranean USS Constellation vs. L'Insurgente	United States Co-belligerent: Great Britain	France Guadeloupe	Convention of 1800 Peaceful cessation of Franco-American alliance End of French privateer attacks on American shipping American neutrality and renunciation of claims by France
Fries Rebellion (1799–1800) Location: Pennsylvania	United States	tax protesters	US victory

19th-century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and its Allies
First Barbary War (1801–1805) Part of the Barbary Wars Location: Mediterranean Sea off the coast of Tripoli Lieutenant Presley O'Bannon at Derna, April 1805	United States Sweden Sicily Malta Portugal Morocco	Eyalet of Tripolitania Morocco Regency of Algiers Tunis	US-allied victory
1811 German Coast Uprising (1811) Location: Territory of Orleans Revolting slaves marching on New Orleans	United States	Rebel slaves Supported by: Haiti	US victory
Tecumseh's War (1811) Part of the American Indian Wars and the War of 1812 Location: Northwest River Ohio The Battle of Tippecanoe	United States	Tecumseh's Confederacy List Shawnee Red Sticks Ojibway Chickamauga Meskwaki Iroquois Miami Mingo Odawa Kickapoo Lenape Mascouten Potawatomi Sauk Wyandot	US victory
War of 1812 (1812–1815) Location: Eastern and Central North America General Andrew Jackson stands on the parapet of his makeshift defenses as his troops repulse attacking Highlanders, by painter Edward Percy Moran in 1910.	United States Choctaw Nation Cherokee Nation Creek Allies	United Kingdom British North America The Canadas Tecumseh's Confederacy List Shawnee Red Sticks Ojibway Chickamauga Meskwaki Iroquois Miami Mingo Odawa Kickapoo Lenape Mascouten Potawatomi Sauk Wyandot Spain (1814)	Inconclusive/Other Result Treaty of Ghent Military stalemate; both sides' invasion attempts repulsed Status quo ante bellum Defeat of Tecumseh's Confederacy Burning of Washington including the White House and the Capitol
Creek War (1813–1814) Part of the American Indian Wars and the War of 1812 Location: Southern United States The Battle of Horseshoe Bend, 1814	United States Lower Creeks Cherokee Nation Choctaw Nation	Red Stick Creek	US-allied victory Treaty of Fort Jackson
Second Barbary War (1815) Part of the Barbary Wars Location: Mediterranean Sea and the Barbary States Decatur's squadron off Algiers	United States	Eyalet of Tripolitania Regency of Algiers Tunis	US victory
First Seminole War (1817–1818) Part of the Seminole Wars and the American Indian Wars Location: Pensacola, Spanish Florida Barracks and tents at Fort Brooke near Tampa Bay	United States	Seminole Spanish Florida	US victory Spain cedes Spanish Florida to the United States in the Adams–Onís Treaty of 1819 The United States forcibly relocates Seminole in northern Florida to a reservation in the center of the peninsula in the Treaty of Moultrie Creek of 1823
Texas–Indian Wars (1820–1875) Part of the American Indian Wars and the Mexican Indian Wars Location: Texas A Kiowa ledger drawing depicting a battle between Southern Plains Indians and the U.S. Army during the Red River War	Spain Mexico Republic of Texas United States Choctaw Nation	Comanche	US-allied victory Extinction of many tribes in Texas, including the Karankawan, Akokisa and Bidui
Arikara War (1823) Part of the American Indian Wars Location: Missouri River An Arikara warrior	United States	Arikara	Inconclusive/Other Result White Peace treaty agreed by US Col Leavenworth
Aegean Sea Anti-Piracy Operations of the United States (1825–1828) Part of Piracy in the Mediterranean Location: Offshore Greece, Aegean Sea Greek pirate boats attacking HMS Comet	United States	Greek Pirates	US victory HMS Comet liberated by American forces Message of thanks issued to Louis Goldsborough from the British government
Winnebago War (1827) Part of the American Indian Wars Location: Illinois and Michigan Territory	United States Choctaw Nation	Prairie La Crosse Ho-Chunks with a few allies	US-allied victory Ho-Chunks cede lead mining region to the United States
First Sumatran expedition (1832) Part of the Sumatran expeditions Location: Aceh Sultanate U.S. infantry assaulting the Acehnese forts at Kuala Batu in 1832	United States Netherlands	Chiefdom of Kuala Batee	US-allied victory Sumatran attacks on U.S. shipping halted for another six years, until another attack which resulted in the Second Sumatran expedition in 1838
Black Hawk War (1832) Part of the American Indian Wars Location: Illinois and Michigan Territory Native women and children fleeing the Battle of Bad Axe	United States Ho-Chunk Menominee Dakota Potawatomi	Black Hawks British Band Ho-Chunk and Potawatomi allies	US-allied victory End of Native armed resistance to U.S. expansion in the Old Northwest Black Hawk Purchase (1832) The United States purchases Potawatomi land in the Treaty of Tippecanoe (1832) The United States purchases the rest of Potawatomi land west of the Mississippi River in the Treaty of Chicago (1833)
Texas Revolution (1835–1836) Location: Texas Fall of the Alamo	Republic of Texas United States Out of the Texian soldiers serving from January through March 1836, 78% had arrived from the United States after October 2, 1835.	Mexican Republic	Texian victory The Republic of Texas gains its independence. Texas is annexed into the United States in 1845.
Second Seminole War (1835–1842) Part of the Seminole Wars and the American Indian Wars Location: Florida, United States U.S. Marines search for Seminoles in the Everglades	United States	Seminole	US victory Approximately 3,800 Seminoles transported to the Indian Territory Approximately 300 remain in Everglades
Second Sumatran expedition (1838) Part of the Sumatran expeditions Location: Aceh Sultanate Bombardment of Muckie, January 1, 1839	United States Netherlands	Chiefdom of Kuala Batee	US-allied victory Malays cease attacks on American vessels
Aroostook War (1838) Location: Maine and New Brunswick	United States	United Kingdom British North America	Inconclusive/Other Result Webster–Ashburton Treaty Modern border of Maine and New Brunswick agreed upon British (Canadian) withdrawal from territory claimed by the United States
Ivory Coast expedition (1842) Part of the African Slave Trade Patrol Location: Ivory Coast Veterans of the expedition on board Saratoga in 1842	United States	Ivory Coast Bereby people	US victory Little Bereby destroyed
Mexican–American War (1846–1848) Location: Texas, New Mexico, California and Mexico 2nd Dragoons charge the enemy at the Battle of Resaca de la Palma, 1846	United States California Republic	Mexico	US-allied victory Treaty of Guadalupe Hidalgo Mexican Cession Mexican recognition of US sovereignty over Texas and California (among other territories)
Cayuse War (1847–1855) Part of the American Indian Wars Location: Oregon The Whitman Massacre.	United States	Cayuse	US victory Cayuse reduced in numbers and forced to cede most of their lands
Apache Wars (1851–1900) Part of the Texas–Indian wars and the American Indian Wars Location: Southwestern United States U.S. Cavalry dash for cover while fighting Apaches, by F. Remington	United States	Apache Ute Yavapai	US victory Apaches moved to reservations
Bleeding Kansas (1854–1861) Location: Kansas and Missouri Sacking of Lawrence in 1856	Anti-slavery settlers (Free-Staters)	Pro-slavery settlers (Border Ruffians)	Free-Stater victory. Kansas admitted as a free state on January 29, 1861.
Puget Sound War (1855–1856) Part of the American Indian Wars Location: Washington	United States Snoqualmie	Nisqually Muckleshoot Puyallup Klickitat Haida Tlingit	US victory Indians relocated to Siletz, Grand Ronde and Coast Reservations
First Fiji expedition (1855) Part of the Fiji expeditions Location: Fiji	United States	Fiji	US victory
Rogue River Wars (1855–1856) Location: Rogue Valley	United States	Rogue River people	US victory Indians relocated to Siletz, Grand Ronde and Coast Reservations
Third Seminole War (1855–1858) Part of the Seminole Wars and the American Indian Wars Location: Pensacola, Florida	United States	Seminole	US victory By late 1850s, most Seminoles forced to leave their land; a few hundred remain deep in the Everglades on land unwanted by white settlers
Yakima War (1855–1858) Part of the American Indian Wars Location: Washington Territory Seattleites evacuate to the town blockhouse as USS Decatur opens fire on advancing tribal forces.	United States Snoqualmie	Yakama Walla Walla tribe Umatilla tribe Nez Perce tribe Cayuse tribe	US victory
Second Opium War (1856–1859) Part of the Opium Wars Location: China Palikao's bridge, on the evening of the battle, by Émile Bayard	British Empire French Empire United States	Qing dynasty	US victory Treaties of Tientsin Kowloon Peninsula and Stonecutters Island ceded to the United Kingdom as part of British Hong Kong
Utah War (1857–1858) Part of the Mormon wars Location: Utah Territory and Wyoming	United States	Deseret/Utah Mormons (Nauvoo Legion)	Inconclusive/Other Result Resolution through negotiation Brigham Young replaced as governor of the territory Full amnesty for charges of sedition and treason issued to the citizens of Utah Territory by President James Buchanan on the condition that they accept American Federal authority
Navajo Wars (1858–1866) Part of the American Indian Wars Location: New Mexico Fort Defiance	United States	Navajo Nation	US victory Long Walk of the Navajo Navajos moved to reservations
Second Fiji expedition (1859) Part of the Fiji expeditions] Location: Fiji	United States	Fiji	US victory
John Brown's Raid on Harpers Ferry (1859) Part of pre-Civil War conflicts Location: West Virginia Harper's Weekly illustration of U.S. Marines attacking John Brown's "Fort" Teresa Baine	United States	Abolitionist Insurgents	US victory
First and Second Cortina War (1859–1861) Location: Texas and Mexico	United States Confederate States Mexico	Cortinista bandits	US-allied victory
Paiute War (1860) Part of the American Indian Wars Location: Pyramid Lake, Nevada	United States	Paiute Shoshone Bannock	US victory
American Civil War (1861–1865) Location: Southern United States, Northeastern United States, Western United States, Atlantic Ocean The Battle of Antietam, by Kurz & Allison.	United States	Confederate States Cherokee Nation Choctaw Nation	US victory Dissolution of the Confederate States U.S. territorial integrity preserved Slavery abolished Beginning of the Reconstruction Era Passage and ratification of the 13th, 14th and 15th amendments to the Constitution of the United States
Yavapai Wars (1861–1875) Part of the American Indian Wars Location: Arizona	United States	Yavapai Apache Yuma Mohave	US victory
Dakota War of 1862 (1862) Part of the American Indian Wars Location: Minnesota and Dakota The Siege of New Ulm, Minnesota on August 19, 1862	United States	Dakota Sioux	US victory
Colorado War (1863–1865) Part of the American Indian Wars Location: Colorado, Wyoming, and Nebraska	United States	Cheyenne Arapaho Sioux	Inconclusive/Other Result Military and congressional hearings against John Chivington
Shimonoseki War (1863–1864) Location: Kanmon Straits Capture of a Choshu battery at Shimonoseki by British sailors and marines.	British Empire Dutch Empire French Empire United States	Chōshū Domain	US-allied victory Chōshū pays an indemnity of $3,000,000
Snake War (1864–1868) Part of the American Indian Wars Locations: Oregon, Nevada, California, and Idaho	United States	Paiute Bannock Shoshone	US victory
Powder River War (1865) Part of the American Indian Wars Location: Powder River State	United States	Sioux Cheyenne Arapaho	Inconclusive/Other Result
Red Cloud's War (1866–1868) Part of the American Indian Wars Location: Powder River State The Fetterman Massacre	United States	Lakota Cheyenne Arapaho	Lakota-allied victory Treaty of Fort Laramie (1868) Legal control of Powder River Country ceded to Native Americans Creation of the Great Sioux Reservation (including the Black Hills)
Formosa expedition (1867) Location: Southern Formosa (Taiwan) US Marines and Sailors attack Formosan pirates.	United States	Paiwan	Paiwan victory American withdrawal after Marine commander killed, subsequent Formosan retreat
Comanche Campaign (1867–1875) Part of the American Indian Wars Location: Western United States Battle of Beecher Island. One soldier and three horses have fallen, while others continue to wage the battle.	United States	Cheyenne Arapaho Comanche Kiowa	US victory
Korea expedition (1871) Location: Ganghwado American forces after capturing the Deokjin Fort during the Battle of Ganghwa in 1871.	United States	Joseon Dynasty	Inconclusive/Other Result United States-Korea Treaty of 1882
Modoc War (1872–1873) Part of the American Indian Wars Location: California and Oregon Engraving of soldiers recovering the bodies of the slain May 3, 1873.	United States	Modoc	US victory
Red River War (1874–1875) Part of the American Indian Wars Location: Texas	United States	Cheyenne Arapaho Comanche Kiowa	US victory End to the Texas-Indian Wars
Las Cuevas War (1875) Location: Texas and Mexico Texan soldiers.	United States	Mexican bandits	US victory Cattle returned to Texas
Great Sioux War of 1876 (1876–1877) Part of the American Indian Wars Location: Montana, Dakota and Wyoming Custer's last stand at Little Bighorn.	United States	Lakota Dakota Sioux Northern Cheyenne Arapaho	US victory Legal control of Powder River Country ceded to the United States
Buffalo Hunters' War (1876–1877) Part of the American Indian Wars Location: Texas and Oklahoma	United States	Comanche Apache	US victory
Nez Perce War (1877) Part of the American Indian Wars Location: Oregon, Idaho, Wyoming, and Montana Chief Joseph's band in the Battle of Bear Paw Mountain	United States	Nez Perce Palouse	US victory
Bannock War (1878) Part of the American Indian Wars Location: Idaho, Oregon, and Wyoming	United States	Bannock Shoshone Paiute	US victory
Cheyenne War (1878–1879) Part of the American Indian Wars Location: Oklahoma, Kansas, Nebraska, South Dakota and Montana Aftermath of the Battle of "The Pit."	United States	Cheyenne	US victory
Sheepeater Indian War (1879) Part of the American Indian Wars Location: Idaho	United States	Shoshone	US victory
Victorio's War (1879–1881) Part of the American Indian Wars Location: Mexico	United States Mexico	Apache	US-allied victory
White River War (1879–1880) Part of the American Indian Wars Location: Colorado	United States	Ute	US victory
Pine Ridge Campaign (1890–1891) Part of the American Indian Wars Location: South Dakota Mass grave for the dead Lakota after the conflict at Wounded Knee Creek.	United States	Sioux	US victory
Garza Revolution (1891–1893) Location: Texas and Mexico 3rd Cavalry Troopers searching a suspected Revolutionist, 1892	Mexico United States	Garzistas	US-allied victory
Yaqui Wars (1896–1918) Part of the American Indian Wars Location: Arizona and Mexico 10th Cavalry soldiers holding Yaqui prisoners at their camp in Bear Valley, January 9, 1918.	United States Mexico	Yaqui Pima Opata	US-allied victory
Second Samoan Civil War (1898–1899) Location: Samoa Samoan warriors and American servicemen during the Siege of Apia in March 1899.	Samoa United States	Mataafans Germany	Inconclusive/Other Result Allies and Rebels compromise for peace Tripartite Convention United States acquires American Samoa United Kingdom withdraws claim in exchange for concessions in the Solomon Islands Germany acquires German Samoa Mata'afa Iosefo becomes paramount chief of Samoa
Spanish–American War (1898) Location: Cuba, Puerto Rico, Philippines and Guam Teddy Roosevelt and the "Rough Riders" charge Spanish positions during the Battle of San Juan Hill.	United States Cuban Revolutionaries Filipino Revolutionaries	Spain Cuba Guam Philippines Puerto Rico	US-allied victory Treaty of Paris Protectorate over Cuba Collapse of the Spanish Empire
Philippine–American War (1899–1902) Location: Philippines Kurz & Allison print of the Battle of Quingua.	1899-1902 United States Military government 1902-1906 United States Civil government	1899-1902 Philippine Republic Negros Republic Zamboanga Republic Limited Foreign Support: Empire of Japan Shishi 1902-1906 Tagalog Republic Irrenconcilables	US victory Occupation of the Philippines Establishment of the Insular Government of the Philippine Islands General Emilio Aguinaldo captured Dissolution of the First Philippine Republic
Moro Rebellion (1899–1913) Location: Philippines The 8th Infantry Regiment defeat the Moros in the four-day battle of Bagsak Mountain on Jolo Island in the Philippines.	United States	Moro Remnants of the Sulu Sultanate	US victory
Boxer Rebellion (1899–1901) Location: China Corporal Titus, of the 14th Infantry Regiment, scaling the walls of Peking.	United Kingdom Russia Japan France United States Germany Italy Austria-Hungary	Righteous Harmony Society (Boxers) China	US-allied victory Signing of the Boxer Protocol Provisions for foreign troops to be stationed in Beijing

20th-century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and its Allies
Crazy Snake Rebellion (1909) Part of the American Indian Wars Location: Oklahoma Creek prisoners of war.	United States	Creek	US victory
Border War (1910–1919) Part of the Mexican Revolution Location: Mexico–United States border American troops of the 16th Infantry Regiment rest for the night on May 27, 1916	United States	Mexico Germany	US victory Seditionist insurgency suppressed Permanent border wall established Pancho Villa's troops no longer an effective fighting force Mexican Constitutionalist faction leader Venustiano Carranza recognised as the sole leaders of the Mexican government by the United States
Negro Rebellion (1912) Part of the Banana Wars Location: Cuba USS Mississippi in Cuba	Cuba United States	Cuban PIC	US-allied victory Dissolution of the PIC
Occupation of Nicaragua (1912–1933) Part of the Banana Wars Location: Nicaragua US Marines holding a captured Sandinista flag.	United States Nicaragua	Nicaraguan Liberals Sandinistas	US-allied victory Nicaragua occupied until 1933
Bluff War (1914–1915) Part of the American Indian Wars Location: Utah and Colorado Prisoners of the Bluff War in Thompson, Utah, waiting to board a train for their trial in Salt Lake City.	United States	Ute Paiute	US victory
Occupation of Veracruz (1914) Part of the Mexican Revolution Location: Mexico American ships at Veracruz	United States	Mexico	US victory
Occupation of Haiti (1915–1934) Part of the Banana Wars Location: Haiti 2nd Marine Regiment in Haiti	United States Haiti	Haitian Rebels	US-allied victory
Occupation of the Dominican Republic (1916–1924) Part of the Banana Wars Location: Dominican Republic US Marines in the Occupation of the Dominican Republic.	United States	Dominican Republic	US victory
World War I (1914–1918) Location: Europe, Africa, Asia, Middle East, the Pacific Islands, and coast of North and South America Two US troops pass by dead German soldiers on a battlefield.	France British Empire United Kingdom Canada Newfoundland Australia New Zealand India South Africa Russia United States China Italy Japan Serbia Montenegro Romania Belgium Greece Portugal Brazil	Germany Austria-Hungary Ottoman Empire Bulgaria	US-allied victory End of the German, Russian, Ottoman, and Austro-Hungarian empires Formation of new countries in Europe and the Middle East Transfer of German colonies and regions of the former Ottoman Empire to other powers Establishment of the League of Nations
Russian Civil War (1918–1920) Location: Russia, Mongolia, and Iran US troops march through Russia before the Battle of Romanovka.	White Movement British Empire United Kingdom Canada Australia India South Africa Japan Czechoslovakia Greece Poland United States France Romania Serbia Italy China	Russian SFSR Far Eastern Republic Latvian SSR Ukrainian SSR Commune of Estonia Mongolian Communists	Bolshevik victory Allied withdrawal from Russia Bolshevik victory over White Army
Last Indian Uprising (1923) Part of the American Indian Wars Location: Utah Ute and Paiute prisoners of war.	United States	Ute Paiute	US victory
World War II (1939–1945) Location: Europe, Pacific Ocean, Atlantic Ocean, Southeast Asia, East Asia, Middle East, Mediterranean, North Africa, Oceania, North and South America U.S. Army Soldiers advancing at dawn in the cover of a M4 Sherman tank, during the Battle of Bougainville, 1944.	Soviet Union United States United Kingdom China France Poland Canada Australia New Zealand India South Africa Kingdom of Yugoslavia DF Yugoslavia Greece Denmark Norway Netherlands Belgium Luxembourg Czechoslovakia Brazil Mexico Chile Peru Ethiopia Mongolia Philippines Viet Minh KLA	Germany Japan Italy Hungary Romania Bulgaria Finland Thailand Manchukuo Mengjiang Croatia Slovakia Albania	US-allied victory Collapse of the Third Reich Fall of Japanese and Italian Empires Creation of the United Nations Emergence of the United States and the Soviet Union as superpowers Beginning of the Cold War
Korean War (1950–1953) Part of the Cold War Location: Korea American soldiers in the Korean War with the Browning M1919A6 LMG.	South Korea United States United Kingdom Australia Belgium Canada France Philippines Colombia Ethiopia Greece Luxembourg Netherlands New Zealand South Africa Thailand Turkey	North Korea China Soviet Union	Inconclusive/Other Result Korean Armistice Agreement North Korean invasion of South Korea repelled Subsequent United Nations invasion of North Korea repelled Subsequent Chinese-North Korean invasion of South Korea repelled
Laotian Civil War (1953–1975) Part of the Indochina Wars and Cold War Location: Laos A U.S. Air Force Bell UH-1P from the 20th Special Operations Squadron "Green Hornets" at a base in Laos, 1970.	Kingdom of Laos United States South Vietnam Thailand Supported by: Philippines Taiwan	Pathet Lao North Vietnam Supported by: Soviet Union China	Pathet Lao-allied victory Establishment of the Lao People's Democratic Republic
Lebanon Crisis (1958) Location: Lebanon US Marine sits in a foxhole and points his machine gun toward Beirut.	Lebanon United States	Lebanese Opposition: INM LCP PSP	US-allied victory US-Lebanese occupation of the port and international airport of Beirut
Bay of Pigs Invasion (1961) Part of the Cold War Location: Cuba	CDRF United States	Cuba	Cuban government victory
Simba rebellion, Operation Dragon Rouge (1964) Part of the Congo Crisis and the Cold War Location: Congo	Congo-Léopoldville Belgium United States	Simba rebels Uganda	US-allied victory
Vietnam War (1955–1964, 1965–1973, 1974–1975) Part of the Cold War and Indochina Wars Location: Vietnam, Cambodia, and Laos 1st Cavalry Division, Battle of Ia Drang, 1965.	South Vietnam United States South Korea Australia New Zealand Thailand Philippines Khmer Republic Kingdom of Laos	North Vietnam Viet Cong Khmer Rouge Pathet Lao China North Korea Soviet Union	North Vietnamese-allied victory Withdrawal of American forces from Indochina Dissolution of the Republic of Vietnam Communist governments take power in South Vietnam, Laos and Cambodia South Vietnam is annexed by North Vietnam
Communist insurgency in Thailand (1965–1983) Part of the Cold War Location: Thailand Ta Ko Bi Cave, a former hideout used by communist rebels.	Thailand Taiwan (until July 1967) United States Malaysia	Communist Party of Thailand Pathet Lao Khmer Rouge (until 1978) Supported by: North Vietnam (until 1976) Vietnam (from 1976) People Republic of China (1971–1978) Malayan Communist Party North Korea	US-allied victory Amnesty declared on April 23, 1980 by the Thai government Order 66/2523 signed by Prime Minister Prem Tinsulanonda Communist insurgency declines and ends in 1983
Korean DMZ Conflict (1966–1969) Part of the Korean conflict and the Cold War Location: Korean Demilitarized Zone ROK and US troop stationed at the DMZ, 1967.	South Korea United States	North Korea	US-allied victory North Korean failure to launch an insurgency in South Korea
Dominican Civil War (1965–1966) Location: Dominican Republic US soldiers push a child underneath a Jeep to protect him during a firefight in Santo Domingo on May 5, 1965.	Dominican Loyalists United States IAPF Brazil Paraguay Nicaragua Costa Rica El Salvador Honduras	Dominican Constitutionalists	US-allied victory Fall of the Bosch regime Joaquín Balaguer elected as the new president
Insurgency in Bolivia (1966–1967) Part of the Cold War Location: Bolivia	Bolivia United States CIA	Ejército de Liberación Nacional Cuba	US-allied victory Che Guevara captured and executed
Cambodian Civil War (1967–1975) Part of the Cold War Location: Cambodia US troops and tanks entering town in Cambodia.	Kingdom of Cambodia (1967–1970) Khmer Republic (1970–1975) United States South Vietnam Other Supports Australia Canada France Thailand	National United Front of Kampuchea Khmer Rouge Khmer Rumdo Khmer Việt Minh North Vietnam Việt Cộng Other Supports China Czechoslovakia Soviet Union	Khmer Rouge-allied victory Fall of the Kingdom of Cambodia Creation but eventual collapse of the Khmer Republic Creation of the Democratic Kampuchea Beginning of the Cambodian genocide
War in South Zaire (1978) Part of the Cold War Location: Zaire	Zaire France Belgium United States Morocco	Front for the National Liberation of the Congo Supported by: Angola Cuba Soviet Union	US-allied victory Thousands of civilians evacuated from Kolwezi
Gulf of Sidra encounter (1981) Location: Gulf of Sidra	United States	Libya	US victory Deterioration of US-Libyan relations
Multinational Intervention in Lebanon (1982–1984) Location: Lebanon US Marines on patrol in Beirut, April 1983	Lebanese Armed Forces UNIFIL Multinational Force in Lebanon: United States France Italy Israel Lebanese Front Army of Free Lebanon SLA	Lebanese National Movement Jammoul PLO Amal Movement Iran Islamic Revolutionary Guard Corps Hezbollah Islamic Jihad Organization Islamic Unification Movement Syria Arab Deterrent Force Saudi Arabia Sudan UAE Libya South Yemen	Syrian-allied victory Multinational forces fail to prevent collapse of Lebanese Army into Syrian- or Israeli- supported militias Multinational forces evacuated after the US embassy and US Marine barracks are bombed by the Islamic Jihad Organization Multinational forces oversee withdrawal of Palestine Liberation Organization Humanitarian crisis in Southern Lebanon Civil war continues until 1990 President Hafez al-Assad continues his occupation of Lebanon until his son and later president Bashar al-Assad orders a withdrawal from the country
Invasion of Grenada (1983) Part of the Cold War Location: Grenada American soldiers in mortar positions in Grenada.	United States Barbados Jamaica Antigua and Barbuda Dominica Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines	PRG of Grenada Cuba Military advisors: List Soviet Union North Korea East Germany Libya	US-allied victory Military dictatorship of Hudson Austin deposed Defeat of Cuban military presence Restoration of constitutional government
Action in the Gulf of Sidra (1986) Location: Gulf of Sidra Libyan corvette obliterated after attempting to fire on US forces	United States	Libya	US victory
Bombing of Libya (1986) Location: Libya USAF F-111 taking off for Libya	United States	Libya	US victory Failed Libyan Scud missile response Muammar Gaddafi survives
Tanker War (1987–1988) Location: Persian Gulf Iranian frigate Sahand after being attacked by U.S. aircraft.	United States	Iran	US victory U.S. Navy sinks several ships and damages Iranian military installations used to attack U.S. and U.S. allied civilian shipping U.S. Navy vessel USS Vincennes shoots down civilian Iran Air Flight 655 killing all 290 passengers, among them 66 children Iran-Iraq war ends in August 1988 following UN enforcement of the ceasefire
Tobruk encounter (1989) Location: Mediterranean Sea Gun camera depicting the last remaining MiG-23 fighters exploding after being shot down.	United States	Libya	US victory Two Libyan MiG-23 fighters shot down
Invasion of Panama (1989–1990) Location: Panama U.S. troops prepare to take a neighborhood in Panama City, December 1989.	United States Panamanian Opposition	Panama	US-allied victory Dictator Manuel Noriega deposed
Gulf War (1990–1991) Location: Iraq, Kuwait, Saudi Arabia, and Israel M1 Abrams tanks of the 3rd Armored Division advance on Medina Ridge.	Kuwait United States United Kingdom Saudi Arabia France Canada Egypt Syria Qatar Bahrain United Arab Emirates Oman Bangladesh	Iraq	US-allied victory Iraqi withdrawal from Kuwait; Emir Jaber III restored Sanctions against Iraq
Iraqi No-Fly Zone Enforcement Operations (1991–2003) Location: Iraq A Tomahawk cruise missile is fired from an Arleigh Burke-class destroyer during Operation Desert Fox in December 1998.	United States United Kingdom France Australia Belgium Netherlands Saudi Arabia Turkey Italy	Iraq	US-allied victory Periodic depletion of Iraqi air defenses
First U.S. Intervention in the Somali Civil War (1992–1995) Part of the Somali civil war (1991–present) Location: Somalia US Marines on patrol in Somalia.	United States United Kingdom Spain Saudi Arabia Malaysia Pakistan Italy India Greece Germany France Canada Botswana Belgium Australia New Zealand	Somali National Alliance	Inconclusive/Other Result Failure to capture SNA leader Mohamed Farrah Aidid; specific Aidid lieutenants captured Withdrawal of U.S. forces 5 months after losses in the Battle of Mogadishu The UN mandate saved close to 100,000 lives, before and after U.S. withdrawal Civil war is ongoing
Bosnian War (1992–1995) Part of the Yugoslav Wars Location: Bosnia and Herzegovina Russian and American troops on a joint patrol around the Bosnian town of Zvornik on the afternoon of February 29, 1996.	Bosnia and Herzegovina Herzeg-Bosnia Croatia United States Belgium Canada Denmark France Germany Italy Luxembourg Netherlands Norway Portugal Spain Turkey United Kingdom	Republika Srpska Serbian Krajina Western Bosnia	US-allied victory Dayton Accords Internal partition of Bosnia and Herzegovina Over 101,000 dead, 65,000 Bosniaks, 28,000 Serbs, 8,000 Croats Deployment of NATO-led IFOR to uphold the peace agreement High Representative for Bosnia and Herzegovina established to implement the peace agreement
Intervention in Haiti (1994–1995) Location: Haiti US troops arrive in Haiti.	United States Poland Argentina	Haiti	US-allied victory Reinstatement of Jean-Bertrand Aristide as president of Haiti
Kosovo War (1998–1999) Part of the Yugoslav Wars Location: Serbia Bombing of Novi Sad.	KLA AFRK Albania Croatia United States Belgium Canada Czech Republic Denmark France Germany Hungary Italy Luxembourg Netherlands Norway Portugal Poland Spain Turkey United Kingdom	FR Yugoslavia	US-allied victory Ceasefire reached through Kumanovo Agreement of June 1999. after Russian and Finnish envoys visit Belgrade Yugoslav forces pull out of Kosovo UN Resolution 1244 confirming Kosovo as de jure part of FRY De facto separation of Kosovo from FR Yugoslavia under UN administration Return of Albanian refugees after attempted ethnic cleansing of Albanians KLA veterans join the UÇPMB, starting the Preševo insurgency Three Chinese journalists were killed in United States bombing of the Chinese embassy in Belgrade
Operation Infinite Reach (1998) Location: Sudan and Afghanistan al-Qaeda training camp in Afghanistan.	United States	al-Qaeda Sudan Harkat-ul-Mujahideen Lashkar-e-Taiba	Inconclusive/Other Result Strikes hit targets but failed objectives al-Qaeda suffers damage and casualties; however, its senior leaders survive the strikes Al-Shifa pharmaceutical plant destroyed

21st-century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and its Allies
War in Afghanistan (2001–present) Part of the War on Terror and the War in Afghanistan (1978–present) Location: Afghanistan American and British soldiers take a tactical pause during a combat patrol in the Sangin District area of Helmand Province.	Resolute Support Mission Afghanistan United States Canada United Kingdom Australia New Zealand Croatia Czech Republic Georgia Germany Italy Romania Spain Turkey Formerly: ISAF	Taliban Haqqani network Allied groups HIG al-Qaeda Islamic Jihad Union IMU Taliban splinter groups Fidai Mahaz IS-Affiliates: Wilayat Khorasan (ISIL-K) 2001 Invasion: Islamic Emirate of Afghanistan Talibani Army Salafist extremists 055 Brigade	Ongoing United States invasion of Afghanistan (2001) Destruction of al-Qaeda and Taliban militant training camps (2001) Fall of the Taliban government (2001) Establishment of the Islamic Republic of Afghanistan under the Karzai administration Start of Taliban insurgency Drone strikes in Pakistan Death of Osama bin Laden in May 2011 Death of Mohammed Omar in July 2013 Over two-thirds of Al-Qaeda's operatives killed or captured International Security Assistance Force(ISAF) disbanded in December 2014 Commencement of Resolute Support Mission in December 2014
2003 invasion of Iraq (2003) Part of the War on Terror Location: Iraq A U.S. soldier stands guard duty near a burning oil well in the Rumaila oil field, 2 April 2003.	United States United Kingdom Australia Poland	Iraq	US-Allied Victory Invasion and occupation of Iraq Overthrow of Ba'ath Party government and execution of Saddam Hussein
Iraq War (2003–2011) Part of the War on Terror Location: Iraq Soldiers from 3rd Armored Cavalry Regiment conduct security before a cordon and search operation in Biaj, Iraq with their M1 Abrams Main Battle Tank.	United States Iraq United Kingdom Australia South Korea Italy Georgia Poland Spain Netherlands Ukraine Romania MNF–I	Ba'ath Loyalists Islamic State of Iraq al-Qaeda in Iraq Mahdi Army Special Groups IAI Ansar al-Sunnah 2003 Invasion: Iraq	Inconclusive Emergence of significant insurgency, rise of al-Qaeda in Iraq, and severe sectarian violence Subsequent reduction in violence and depletion of al-Qaeda in Iraq Establishment of democratic elections and formation of new Shia-led government U.S.–Iraq Status of Forces Agreement Withdrawal of U.S. forces from Iraq in 2011 Stronger Iranian influence in Iraq Escalation of sectarian insurgency after U.S. withdrawal leading to the rise of the Islamic State of Iraq and the Levant, the successor of al-Qaeda in Iraq Iraqi Civil War (2014–2017) Return of US forces to Iraq in 2014
War in North-West Pakistan (2004–present) Part of the War on Terror Location: Pakistan MQ-1 Predator drones are typically used in covert bombing operations in the Federally administered tribal regions of Pakistan	United States Pakistan	Tehrik-i-Taliban Pakistan al-Qaeda Lashkar-e-Jhangvi Turkistan Islamic Party Tehreek-e-Nafaz-e-Shariat-e-Mohammadi Daesh	Ongoing Ongoing (low level) insurgency in the Northern tribal regions of Pakistan as well as in Khyber Pakhtunkhwa Drone attacks by the United States Subsequent reduction and possible halt of drone strikes around 2017 Tribal areas merged into Pakistan, tribal law abolished and constitutional law established as of 2018. Jundallah, Tehreek-e-Khilafat, Jamaat-ul-Ahrar and the Islamic Movement of Uzbekistan join ISIL Jamaat-ul-Ahrar rejoins the TTP
Second U.S. Intervention in the Somali Civil War (2007–present) Part of the Somali Civil War (1991–present) and the War on Terror Location: Somalia and Northeastern Kenya MQ-9 Reaper commonly used in covert drone strikes in Somalia.	Somalia United States United Kingdom Kenya Ethiopia AMISOM United Nations UNSOM UNSOS UNGU European Union	Al-Shabaab Hizbul Islam Daesh Alleged support: Eritrea	Ongoing Drone strikes in Somalia Raids against al-Shabaab militants conducted by U.S. Special Operations Forces African Union Intervention U.S. backed Ethiopian invasion in 2006 Kenyan intervention Newly formed federal government established in 2012 Power struggle within Al-Shabaab
Operation Ocean Shield (2009–2016) Part of the War on Terror Location: Indian Ocean A tall plume of black smoke rises from a destroyed pirate vessel that was struck by USS Farragut in March 2010.	NATO United States Malaysia Norway United Kingdom New Zealand Denmark Netherlands Italy South Korea India Russia China	Somali pirates	US-allied victory Number of pirate attacks dramatically decreased The US Office of Naval Intelligence have officially reported that in 2013, only 9 incidents of piracy were reported and that none of them were successfully hijacked Piracy drops 90%
International intervention in Libya (2011) Part of the Libyan Crisis and the First Libyan Civil War Location: Libya US vessels launch missiles in support of the Libyan Civil War.	NATO United States United Kingdom Belgium Bulgaria Canada Denmark France Greece Italy Netherlands Norway Romania Spain Turkey Sweden Jordan Qatar United Arab Emirates Anti-Gaddafi rebels	Libya	US-allied victory Overthrow of the Gaddafi government and the death of Muammar Gaddafi Assumption of interim control by National Transitional Council (NTC) Diplomatic recognition of NTC as sole governing authority for Libya by 105 countries, UN, EU, AL and AU Post-civil war violence in Libya leading to the ongoing civil war in 2014 Human trafficking and refugee crisis takes root in Libya with allegations of slavery
Operation Observant Compass (2011–2017) Part of the War on Terror Location: Uganda U.S. Marine Sgt. Joseph Bergeron, a task force combat engineer, explains combat marksmanship tactics to a group of Ugandan soldiers.	United States Uganda DR Congo Central African Republic South Sudan	Lord's Resistance Army	US-allied victory LRA eliminated as a threat to Uganda, reduced to around 100 members, LRA leader Joseph Kony remains a fugitive Conflict remains ongoing
American-led intervention in Iraq (2014–present) Part of Operation Inherent Resolve, the Iraqi Civil War, the Spillover of the Syrian Civil War, the War on Terror and the International ISIS campaign Location: Iraq General Stephen J. Townsend observes a HIMARS strike that destroyed a building near Haditha, September 2016	United States Iraq Kurdistan Australia New Zealand Belgium Canada Denmark France Germany Jordan Morocco Netherlands United Kingdom Turkey Iran Hezbollah	Islamic State of Iraq and Syria	Ongoing Tens of thousands of ISIL fighters killed American-led forces launch over 13,300 airstrikes on ISIL positions in Iraq Heavy damage dealt to ISIL forces, ISIL loses 40% of its territory in Iraq by January 2016, and all of its territory in Iraq in December 2017 Multinational humanitarian and arming of ground forces efforts 200 IS created mass graves found containing up to 12,000 people Ongoing US-led Coalition advising and training of Iraqi and Kurdish ground forces US maintains limited military presence in Iraq
American-led intervention in Syria (2014–present) Part of Operation Inherent Resolve, the Syrian Civil War, the War on Terror and the International ISIS campaign Location: Syria USS Ross fires Tomahawk missiles towards Shayrat Military Base, during the 2017 retaliatory strike against the Syrian government.	United States Syrian Democratic Forces Autonomous Administration of North and East Syria IFB People's Protection Units Women's Protection Units CJTF-OIR Members: United Kingdom France Australia New Zealand Canada Jordan Denmark Netherlands Belgium Lebanon Morocco Saudi Arabia UAE Qatar Bahrain Turkey Turkish-backed rebels Israel (limited involvement; against Hezbollah and government forces only) Formerly: Free Syrian Army (2011–2017)	ISIS al-Qaeda linked groups: al-Nusra Front Khorasan group Tahrir al-Sham Jaysh al-Sunna Jund al-Aqsa Ahrar al-Sham Syria (limited encounters with US and Israel) Supported by: Russia Iran Hezbollah	Ongoing Over 11,200 American and allied airstrikes hit ISIS and other extremist groups within Syria Thousands of ISIS targets destroyed and thousands more militants captured or killed ISIS detainee crisis takes hold in northern Syria Chemical attack in Ghouta American support for anti-government rebels Deployment of U.S. Marines and Special Forces Massive amounts of human rights violations and war crimes Chemical attack in Khan Shaykhun results in a retaliatory naval strike on the Syrian government-controlled Shayrat Airbase Semi-regular chemical attacks attributed to the Assad regime leads to condemnation and threats of measures to enforce the chemical weapons convention and the Geneva protocol to which Syria is a party Various confrontations and airstrikes, including a downing of a Syrian SU-17 between the United States and Syrian government and the shoot down of a Turkish F-4 by the Syrian government Multiple incidents between Israel and Syria, including several Syrian S-200 missiles launched toward Israeli fighter jets during an Israeli Air Force mission inside Syrian territory, and an Israeli F-16 shot down by Syrian Air Defense forces after retaliatory strikes against Iranian targets near Damascus after a Syrian drone crossed into Israeli airspace
Yemeni Civil War (2015–present) Part of the War on Terror and the International ISIS Campaign Location: Yemen U.S. Naval vessel patrolling along the coastline of Yemen enforcing the American-Saudi blockade against Iran.	Hadi government Saudi-led Coalition: Saudi Arabia United Arab Emirates Senegal Sudan Qatar (2015–2017) Under 1000 troops: Bahrain Egypt Kuwait Jordan Morocco al-Qaeda United States (limited involvement supporting the coalition and combating al Qaeda and IS) France United Kingdom	Supreme Political Council Houthis Ahrar al-Najran Supported by: Iran Hezbollah North Korea AQAP Ansar al-Sharia IS-affiliated groups: Wilayah al-Yaman	Ongoing Yemen's capital city of Sana'a and large swaths of western Yemen falls under Houthi control Saudi-led coalition bombs Houthi rebel positions Aden becomes the new capital for the Hadi government Cholera outbreak in 2016 Former Yemeni president Ali Abdullah Saleh killed in fire fight by a sniper during the ongoing battle in Sana'a Targeted killing program against radical groups in the region continues since 2002 and intensify after the beginning of civil war Iranian supplied, Houthi operated, ballistic missile, aerial drone, and drone boat attacks against Saudi Arabia, the Hadi government, and the UAE U.S. Naval blockade put in place in attempt to assist Saudi Arabia in preventing Iranian weapons from being moved into Houthi territory Raids against al-Qaeda conducted U.S. Special Forces Famine endangers over 17 million people, and kills approximately 85,000 children
American intervention in Libya (2015–present) Part of the Second Libyan Civil War, the War on Terror, and the International ISIS Campaign Location: Libya USS Wasp conducts flight operations in Operation Odyssey Lightning.	United States Libya	Islamic State in Libya	Ongoing Liberation of Sirte Hundreds of airstrikes carried out in Libya against Islamic State affiliated militant groups

See also

• Military history
• Timeline of United States military operations
• United States involvement in regime change
• List of ongoing armed conflicts

External links

• Heidelberg Institute for International Conflict Research (HIIK)
  • Conflict Barometer – Describes recent trends in conflict development, escalations, and settlements
• A Continent Divided: The U.S.-Mexico War, Center for Greater Southwestern Studies, the University of Texas at Arlington
• Timeline of wars involving the United States, Histropedia
• U.S. Periods of War and Dates of Recent Conflicts, Congressional Research Service