List of wars involving the United States

This is a list of wars and rebellions involving the United States of America. Currently, there are 93 wars on this list, 3 of which are ongoing.

  USA defeat/Ally defeat

  USA victory

  Another result (e.g. a treaty or peace without a clear result, status quo ante bellum, result of civil or internal conflict, result unknown or indecisive)

  Ongoing conflict

18th-century wars

Conflict	Allies	Belligerent	Result for the United States and its Allies	Presidents of the United States
American Revolutionary War (1775–1783) Location: Eastern North America, Southern North America, Gibraltar, India, Caribbean Sea, and the Atlantic The Battle of Long Island, August 27, 1776	United States France Canadian Auxiliaries Spanish Empire 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 and the colonies.	President of the Continental Congress in American Revolutionary War: John Hancock Henry Laurens John Jay Samuel Huntington Thomas McKean John Hanson Elias Boudinot Thomas Mifflin Richard Henry Lee John Hancock Nathaniel Gorham Arthur St. Clair Cyrus Griffin
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	President of the Continental Congress in Cherokee –American wars: John Hancock Henry Laurens John Jay Samuel Huntington Thomas McKean John Hanson Elias Boudinot Thomas Mifflin Richard Henry Lee John Hancock Nathaniel Gorham Arthur St. Clair Cyrus Griffin Presidents of the United States: George Washington
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	George Washington
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	John Adams

19th-century wars

Conflict	Allies	Belligerent	Result for the United States and its Allies	Presidents of the United States
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	Tripolitania Morocco	US-allied victory	Thomas Jefferson
Tecumseh's War (1810–1813) 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	James Madison
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	Deylik of Algiers	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	James Monroe
Arikara War (1823) Part of the American Indian Wars Location: Missouri River An Arikara warrior	United States Sioux	Arikara	Inconclusive/Other Result White Peace treaty agreed by US Col Leavenworth
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	John Quincy Adams
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 Hawk's 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)	Andrew Jackson
Texas Revolution (1835–1836) Location: Texas Fall of the Alamo	Republic of Texas United States Out of the Texan soldiers serving from January through March 1836, 78% had arrived from the United States after October 2, 1835.	Mexican Republic	Texan victory The Republic of Texas gains its independence. Texas is annexed into the United States in 1845.	Martin Van Buren
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	Martin Van Buren (March 4, 1837 – March 4, 1841) William Henry Harrison(March 4, 1841 – April 4, 1841) John Tyler (April 4, 1841 –March 4, 1845)
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)	James K. Polk
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	James K. Polk (March 4, 1845 – March 4, 1849) Zachary Taylor (March 4, 1849 – July 9, 1850) Millard Fillmore (July 9, 1850 – March 4, 1853) Franklin Pierce (March 4, 1853 – March 4, 1857)
Apache Wars (1849–1924) 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	James K. Polk (March 4, 1845 – March 4, 1849) Zachary Taylor (March 4, 1849 – July 9, 1850) Millard Fillmore (July 9, 1850 – March 4, 1853) Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 1861) Abraham Lincoln (March 4, 1861 – April 15, 1865) Andrew Johnson (April 15, 1865 – March 4, 1869) Ulysses S. Grant (March 4, 1869 – March 4, 1877) Rutherford B. Hayes (March 4, 1877 – March 4, 1881) James A. Garfield (March 4, 1881 – September 19, 1881) Chester A. Arthur (September 19, 1881 – March 4, 1885) Grover Cleveland (March 4, 1885 – March 4, 1889) Benjamin Harrison (March 4, 1889 – March 4, 1893) Grover Cleveland (March 4, 1893 – March 4, 1897) William McKinley (March 4, 1897 – September 14, 1901) Theodore Roosevelt (September 14, 1901 – March 4, 1909) William Howard Taft (March 4, 1909 – March 4, 1913) Woodrow Wilson (March 4, 1913 – March 4, 1921) Warren G. Harding (March 4, 1921 – August 2, 1923) Calvin Coolidge (August 2, 1923 – March 4, 1929)
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.	Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 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	Franklin Pierce
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	Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 1861)
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	Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 1861)
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	China	US victory Treaties of Tientsin Kowloon Peninsula and Stonecutters Island ceded to the United Kingdom as part of British Hong Kong	Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 1861)
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	Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 1861)
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	Franklin Pierce (March 4, 1853 – March 4, 1857) James Buchanan (March 4, 1857 – March 4, 1861) Abraham Lincoln (March 4, 1861 – April 15, 1865)
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	James Buchanan (March 4, 1857 – March 4, 1861)
First and Second Cortina War (1859–1861) Location: Texas and Mexico	United States Confederate States Mexico	Cortinista bandits	US-allied victory	James Buchanan
Paiute War (1860) Part of the American Indian Wars Location: Pyramid Lake, Nevada	United States	Paiute Shoshone Bannock	US victory	James Buchanan
American Civil War (1861–1865) Location: Southern United States, Indian Territory, Northeastern United States, Western United States, Atlantic Ocean The Battle of Antietam, by Kurz & Allison.	United States	Confederate States Cherokee Nation Choctaw Nation Chickasaw Nation Muskogee Nation Seminole Nation Comanche Nation	US victory Dissolution of the Confederate States U.S. territorial integrity preserved Beginning of the Reconstruction Era U.S. Federal government expands further control over land and railroad rights in the Indian Territory.	Abraham Lincoln
Yavapai Wars (1861–1875) Part of the American Indian Wars Location: Arizona Rescue of Lt. Charles King	United States	Yavapai Apache Yuma Mohave	US victory	Abraham Lincoln (March 4, 1861 – April 15, 1865) Andrew Johnson (April 15, 1865 – March 4, 1869) Ulysses S. Grant (March 4, 1869 – March 4, 1877)
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	Abraham Lincoln
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
Snake War (1864–1868) Part of the American Indian Wars Locations: Oregon, Nevada, California, and Idaho	United States	Paiute Bannock Shoshone	US victory	Abraham Lincoln (March 4, 1861 – April 15, 1865) Andrew Johnson (April 15, 1865 – March 4, 1869)
Powder River War (1865) Part of the American Indian Wars Location: Powder River State	United States	Sioux Cheyenne Arapaho	Inconclusive	Andrew Johnson
Red Cloud's War (1866–1868) Part of the American Indian Wars Location: Powder River State The Fetterman Massacre	United States Crow Nation	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)
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	Andrew Johnson (April 15, 1865 – March 4, 1869) Ulysses S. Grant (March 4, 1869 – March 4, 1877)
United States expedition to Korea (1871) Location: Ganghwa Island The captured Sujagi aboard USS Colorado in June 1871	United States	Joseon dynasty	Inconclusive/Other Result American military victory American diplomatic failure Withdrawal of American forces Korea retains isolationist policies Eventual signing of the United States–Korea Treaty of 1882	Ulysses S. Grant
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	Rutherford B. Hayes
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 (1879–1880) Part of the American Indian Wars Location: Mexico	United States Mexico	Apache	US-allied victory
White River War (1879) Part of the American Indian Wars Location: Colorado Battle of Milk Creek Canyon	United States	Ute	US victory
Crow War (1887) Part of the American Indian Wars Location: Montana Crow Indians Firing into the Agency 1887	United States	Crow people	US victory	Grover Cleveland
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	Benjamin Harrison
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	Grover Cleveland (March 4, 1893 – March 4, 1897) William McKinley (March 4, 1897 – September 14, 1901) Theodore Roosevelt (September 14, 1901 – March 4, 1909) William Howard Taft (March 4, 1909 – March 4, 1913) Woodrow Wilson (March 4, 1913 – March 4, 1921)
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	William McKinley
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	William McKinley
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	William McKinley (March 4, 1897 – September 14, 1901) Theodore Roosevelt (September 14, 1901 – March 4, 1909)
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	William McKinley (March 4, 1897 – September 14, 1901) Theodore Roosevelt (September 14, 1901 – March 4, 1909) William Howard Taft (March 4, 1909 – March 4, 1913) Woodrow Wilson (March 4, 1913 – March 4, 1921)
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	William McKinley

20th-century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and its Allies	Presidents of the United States
Crazy Snake Rebellion (1909) Part of the American Indian Wars Location: Oklahoma Creek prisoners of war.	United States	Creek	US victory	Theodore Roosevelt (September 14, 1901 – March 4, 1909) Warren G. Harding (March 4, 1921 – August 2, 1923) Calvin Coolidge (August 2, 1923 – March 4, 1929)
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	William Howard Taft (March 4, 1909 – March 4, 1913) Woodrow Wilson (March 4, 1913 – March 4, 1921)
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	William Howard Taft
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	Sandinist victory Change of regime in Nicaragua Great Depression marks US withdrawal (1933)	William Howard Taft (March 4, 1909 – March 4, 1913) Woodrow Wilson (March 4, 1913 – March 4, 1921) Warren G. Harding (March 4, 1921 – August 2, 1923) Calvin Coolidge (August 2, 1923 – March 4, 1929) Herbert Hoover (March 4, 1929 – March 4, 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	Woodrow Wilson
Occupation of Veracruz (1914) Part of the Mexican Revolution Location: Mexico American ships at Veracruz	United States	Mexico	US victory
United States 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	Woodrow Wilson (March 4, 1913 – March 4, 1921) Warren G. Harding (March 4, 1921 – August 2, 1923) Calvin Coolidge (August 2, 1923 – March 4, 1929) Herbert Hoover (March 4, 1929 – March 4, 1933) Franklin D. Roosevelt (March 4, 1933 – April 12, 1945)
United States occupation of the Dominican Republic (1916–1924) (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	Woodrow Wilson (March 4, 1913 – March 4, 1921) Warren G. Harding (March 4, 1921 – August 2, 1923) Calvin Coolidge (August 2, 1923 – March 4, 1929)
World War I (1917–1918) 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	Woodrow Wilson
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 United States France Japan Czechoslovakia Greece Poland 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	Warren G. Harding
World War II (1941–1945) 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 Yugoslavia Greece Denmark Norway Netherlands Belgium Luxembourg Czechoslovakia Brazil Mexico Chile Peru Ethiopia Mongolia Philippines Viet Minh KLA	Germany Japan Italy Hungary Romania Bulgaria Albania Slovakia Croatia Finland Thailand Manchukuo Mengjiang	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 Beginning of the Atomic Age	Franklin D. Roosevelt (March 4, 1933 – April 12, 1945) Harry S. Truman (April 12, 1945 –January 20, 1953)
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 Spain 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	Harry S. Truman (April 12, 1945 –January 20, 1953) Dwight D. Eisenhower (January 20, 1953 – January 20, 1961)
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 Laos Khmer Republic	North Vietnam Viet Cong Pathet Lao Khmer Rouge China Soviet Union North Korea	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 Reunification of Vietnam	Dwight D. Eisenhower (January 20, 1953 – January 20, 1961) John F. Kennedy (January 20, 1961 –November 22, 1963) Lyndon B. Johnson (November 22, 1963 – January 20, 1969) Richard Nixon (January 20, 1969 – August 9, 1974) Gerald Ford (August 9, 1974 – January 20, 1977)
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	Dwight D. Eisenhower
Bay of Pigs Invasion (1961) Part of the Cold War Location: Cuba	CDRF United States	Cuba	Cuban government victory (Limited United States involvement) United States sponsored Brigade 2506 (Cuban Exiles) defeated	John F. Kennedy
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	Lyndon B. Johnson
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	Lyndon B. Johnson (November 22, 1963 – January 20, 1969) Richard Nixon (January 20, 1969 – August 9, 1974)
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
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 United Kingdom 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 United Arab Emirates 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	Jimmy Carter (January 20, 1977 – January 20, 1981) Ronald Reagan (January 20, 1981 – January 20, 1989)
Invasion of Grenada (1983) Part of the Cold War Location: Grenada American soldiers in artillery positions at 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 Bulgaria East Germany Libya	US-allied victory Military dictatorship of Hudson Austin deposed Defeat of Cuban military presence Restoration of constitutional government	Ronald Reagan
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
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	George H. W. Bush (January 20, 1989 – January 20, 1993)
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	Iraq	US-allied victory Iraqi withdrawal from Kuwait; Emir Jaber III restored Sanctions against Iraq	George H. W. Bush (January 20, 1989 – January 20, 1993)
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	George H. W. Bush (January 20, 1989 – January 20, 1993) Bill Clinton (January 20, 1993 – January 20, 2001) George W. Bush (January 20, 2001 – January 20, 2009)
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	Somali Victory / US-allied defeat 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	George H. W. Bush (January 20, 1989 – January 20, 1993) Bill Clinton(January 20, 1993 – January 20, 2001)
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	Inconclusive/Other Result Military stalemate 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	Bill Clinton
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 Around 200,000 Serbs, Romani, and other non-Albanians fleeing Kosovo and many of the remaining civilians becoming victims of abuse Three Chinese journalists were killed in United States bombing of the Chinese embassy in Belgrade

21st-century wars

Conflict	Combatant 1	Combatant 2	Result for the United States and its Allies	Presidents of the United States
War in Afghanistan (2001–2021) Part of the War on Terror and the War in Afghanistan (1978–2021) 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 Denmark Georgia Germany Netherlands 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	Taliban Victory / US-allied defeat United States invasion of Afghanistan (2001) Destruction of al-Qaeda and Taliban militant training camps (2001) Fall of the Taliban government (2001) and Establishment of the Islamic Republic of Afghanistan Start of Taliban insurgency Osama bin Laden killed by DEVGRU operators in Abbottabad, Pakistan in May 2011 Doha Agreement and Progressive withdrawal of US troops after 2020 Renewed Taliban offensive in 2021 Taliban forces capture Kabul on August 15, 2021 and overthrow the U.S.-backed Islamic Republic of Afghanistan Re-establishment of the Taliban-run Islamic Emirate of Afghanistan Panjshir Province held out against the Taliban for 3 weeks after Kabul was conquered but ended up also being conquered by the Taliban	George W. Bush (October 7, 2001 – January 20, 2009) Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump (January 20, 2017 – January 20, 2021) Joe Biden (January 20, 2021 – Incumbent)
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 Denmark 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/Other Result Invasion and occupation of Iraq Overthrow of Ba'ath Party government Execution of Saddam Hussein 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 (2013–2017) Return of US forces to Iraq in 2014	George W. Bush (January 20, 2001 – January 20, 2009) Barack Obama (January 20, 2009 – January 20, 2017)
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 Majority of US Troops withdraw in January 2021 US airstrikes against Al-Shabaab in 2021	George W. Bush (January 20, 2001 – January 20, 2009) Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump (January 20, 2017 – January 20, 2021) Joe Biden (January 20, 2021 –Incumbent)
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 Pakistan	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%	Barack Obama
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 First 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 killing 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 second civil war in 2014	Barack Obama
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 Founder and leader of the LRA Joseph Kony goes into hiding Senior LRA commander Dominic Ongwen surrenders to American forces in the Central African Republic and is tried at the Hague[7][8] Majority of LRA installations and encampments located in South Sudan and Uganda abandoned and dismantled Small scale LRA activity continues in eastern DR Congo, and the Central African Republic	Barack Obama
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 Iraqi 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 ISIL 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 Approximately 2,500 U.S. military personnel remain in Iraq as of September 2021 US set to end combat role in Iraq by December 31, 2021	Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump (January 20, 2017 – January 20, 2021) Joe Biden (January 20, 2021 –Incumbent)
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 Free Syrian Army (across Syria 2011–2017, al-Tanf base 2017-present) 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 United Arab Emirates Qatar Bahrain Turkey Turkish-backed rebels Israel (limited involvement; against Hezbollah and government forces only)	Islamic State of Iraq and Syria 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 ISIL lose Mosul and Raqqa (2017), then other most of territory in Iraq and then Syria Syrian government Chemical attack in Ghouta (2013) leading to OPCW-UN Joint Mission in Syria American support for anti-government rebels Deployment of U.S. Marines and Special Forces Massive amounts of human rights violations and war crimes, in particular by Syrian government forces 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. Chemical attack in Khan Shaykhun results in a retaliatory naval strike on the Syrian government-controlled Shayrat Airbase, Douma chemical attack results in retaliatory strikes/ 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 ISIS detainee crisis takes hold in northern Syria Civilian deaths due to Coalition airstrikes in Syria and Iraq: over 1,300 according to Coalition, 8,267–13,168 according to independent estimates. Death of Abu Bakr al-Baghdadi on October 27, 2019 Approximately 900 U.S. troops remain in Syria to combat ISIS as of July 2021	Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump (January 20, 2017 – January 20, 2021) Joe Biden (January 20, 2021 –Incumbent)
American intervention in Libya (2015–2019) 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	ISIS in Libya largely defeated Liberation of Sirte Hundreds of airstrikes carried out in Libya against Islamic State affiliated militant groups ISIS presence in Libya severely diminished; airstrikes cease in 2019 Second Libyan Civil War continues until a permanent ceasefire was ratified on October 23, 2020	Barack Obama (January 20, 2009 – January 20, 2017) Donald Trump (January 20, 2017 – January 20, 2021)

See also

• List of armed conflicts involving the United States
• 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