List of wars involving the United States

This is a list of military conflicts, that United States has been involved in.

*e.g. a treaty or peace without a clear result, status quo ante bellum, result of civil or internal conflict, result unknown or indecisive, inconclusive the Atlantic Spanish Empire Iroquois Watauga AssociationCatawbaLenapeChoctaw Dutch Republic Mysore Iroquois Cherokee Supported by: Presidents of the United States: Co-belligerent: Great Britain Spain Tecumseh's Confederacy Supported by: Part of the War of 1812 Location: Nuku Hiva, Marquesas Islands Happah (October 1813) Te I'i (May 1814) Polynesian strategic victory Spanish Florida Sioux Part of the Greek War of Independence Location: Aegean Sea Part of the Sumatran expeditions Location: Kuala Batee, Aceh Sultanate, Island of Sumatra 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) 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) 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) Part of the Sumatran expeditions Location:Kuala Batee and Muckie, Aceh Sultanate, Island of Sumatra, Island of Sumatra Chiefdom of Muckie (1841)Part of the United States Exploring ExpeditionLocation:Drummond's Island, Gilbert Islands, (Modern Day Kiribati) Part of the African Slave Trade Patrol and the Blockade of Africa Location: Ivory Coast, Liberia Location: Mexico (Modern day California) Zachary Taylor (March 4, 1849 – July 9, 1850) Millard Fillmore (July 9, 1850 – March 4, 1853) Franklin Pierce (March 4, 1853 – March 4, 1857) 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) 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) (1851) Part of the African Slave Trade Patrol and the Blockade of Africa Part of the Taiping Rebellion and the Small Swords Society Uprising Location: Shanghai, China Pirate Mercenaries (May 22, 1854 – March 4, 1857) James Buchannan (March 4, 1857 – March 4, 1861) Abraham Lincoln (March 4, 1861 – April 12, 1861) Location: Greytown, Mosquito Coast (Modern Day Nicaragua) James Buchanan (March 4, 1857 – 1855) James Buchanan (March 4, 1857 – September, 1858) James Buchanan (March 4, 1857 – June 26, 1859) (Nauvoo Legion) Confederate States Mexico Abraham Lincoln (1861) Part of the Cochinchina Campaign 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) Part of Bakumatsu Conflicts Location: Shimonoseki Straits, Honshu, Japan Andrew Johnson (April 15, 1865 – March 4, 1869) Andrew Johnson Ulysses S. Grant (March 4, 1869 – March 4, 1877) American military victory American diplomatic failure 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) 1902-1906 United States Limited Foreign Support: Empire of Japan 1902-1906 Tagalog Republic Theodore Roosevelt (September 14, 1901 – March 4, 1909) 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) Russian Empire Empire of Japan French Republic United States German Empire Kingdom of Italy Austro-Hungarian Empire China (until 1900) Warren G. Harding(March 4, 1921 – August 2, 1923) Calvin Coolidge(August 2, 1923 – March 4, 1929) Supported by: Woodrow Wilson(March 4, 1913 – March 4, 1921) 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) Supported by: Supported by: 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) Warren G. Harding(March 4, 1921 – August 2, 1923) Calvin Coolidge(August 2, 1923 – March 4, 1929) Kingdom of Italy United States(since 1917) Russian Empire(until 1917) Empire of Japan Kingdom of Serbia Kingdom of Montenegro Kingdom of Romania Kingdom of Greece Belgium Portugal Republic of Armenia Sultanate of Egypt Idrisid Emirate of Asir Emirate of Nejd and Hasa Kingdom of Hejaz Republic of China Siam Brazil Location: Russia Mountain Republic Makhnovshchina Right SRs Left SRs Green armies Czechoslovakia British Empire Empire of Japan Kingdom of Greece United States French Republic Kingdom of Serbia Romania Italy Poland Estonia Latvia China Mongolia Far Eastern Republic Mongolian Communists Makhnovshchina Left SRs Green armies French Republic British Empire United States(since 1941) Soviet Union(since 1941) Republic of Poland Czechoslovak Republic Kingdom of Yugoslavia Kingdom of Greece Denmark Norway Netherlands Belgium Luxembourg Republic of Cuba Republic of Haiti Argentina Brazil  Mexico Chile Peru United States of Venezuela Liberia Kingdom of Egypt Ethiopian Empire Union of South Africa Sultanate of Muscat and Oman Kingdom of Nepal Republic of China Mongolian People's Republic Commonwealth of the Philippines Viet Minh Korean Provisional Government Nazi Germany Empire of Japan Kingdom of Italy Kingdom of Hungary Kingdom of Romania Slovak Republic Tsardom of Bulgaria Independent State of Croatia Finland French State Hellenic State Quisling's Norway Manchukuo Mengjiang RNG China Thailand Philippine Republic Empire of Vietnam Kingdom of Kampuchea State of Burma Free India Kingdom of Iraq Franklin D. Roosevelt(March 4, 1933 – April 12, 1945) Harry S. Truman(April 12, 1945 – January 20, 1953) Part of the Chinese Civil War and the Cold WarLocation: Hebei and Shandong provinces, China Part of political violence in the United States during the Cold WarLocation: Puerto Rico and Washington, D.C., United States United Nations United States United Kingdom Australia Belgium Canada France Philippines Colombia Ethiopian Empire Kingdom of Greece Luxembourg Netherlands New Zealand Spanish State Union of South Africa Thailand Turkey China Soviet Union Supported by: Dwight D. Eisenhower(January 20, 1953 – January 20, 1961) Supported by: 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) Supported by: Part of the Simba Rebellion during the Congo Crisis and the Decolonization of Africa during the Cold War Location: Stanleyville, Congo-Léopoldville Richard Nixon(January 20, 1969 – August 9, 1974) Supported by: Supported by: Richard Nixon(January 20, 1969 – August 9, 1974) Gerald Ford(August 9, 1974 – January 20, 1977) Lebanese Front Army of Free LebanonSLA Hezbollah Islamic Jihad Organization Islamic Unification Movement Bill Clinton(January 20, 1993 – January 20, 2001) George W. Bush(January 20, 2001 – January 20, 2009) Bill Clinton(January 20, 1993 – January 20, 2001) Herzeg-Bosnia Croatia United States Belgium Canada Denmark France Germany Italy Luxembourg Netherlands Norway Portugal Spain Turkey United Kingdom [26][27][28][29] Allied groups Hezb-e-Islami Gulbuddin al-Qaeda Islamic Jihad Union[30] Taliban splinter groups IS-Affiliates: 2001 Invasion: Islamic Emirate of Afghanistan Barack Obama(January 20, 2009 – January 20, 2017) Donald Trump(January 20, 2017 – January 20, 2021) Joe Biden(January 20, 2021 – January 20, 2025) Saudi-led coalition: Saudi Arabia United Arab Emirates Bahrain Kuwait Qatar Jordan Morocco Sudan Senegal Supported by: Logistical Support: In support of: Cabinet of Yemen United States-led coalition: United States United Kingdom Australia Bahrain Canada Denmark Germany Greece South Korea Netherlands New Zealand Norway Seychelles Singapore Sri Lanka Supported by: Supported by: Alleged Support: Islamic State of Iraq and the Levant (from 2014)[51] Revolutionary Committee/Supreme Political Council Supported by: Iran[53][54] Syria[55] North Korea[56] Qatar[57] Russia[58] Hezbollah[59] Cuba Eritrea Oman Libya (until 2011) US Intervention against jihadists US Intervention against Houthi movement Barack Obama(January 20, 2009 – January 20, 2017) Donald Trump(January 20, 2017 – January 20, 2021) Joe Biden(January 20, 2021 – January 20, 2025) Donald Trump(January 20, 2025 – Incumbent) Iraq United States United Kingdom MNF–I (2003–09) Kurdistan Region Awakening Council

Australia China Colombia India Indonesia Japan Malaysia New Zealand Oman Pakistan Russia Saudi Arabia Seychelles Singapore Somalia South Korea Ukraine NATO[nb 4] Jordan Qatar Sweden United Arab Emirates Anti-Gaddafi forces Uganda Democratic Republic of the Congo South Sudan Central African Republic Donald Trump(January 20, 2017 – January 20, 2021) In support of: Niger(until coup d'état) FranceOperation Barkhane(2014–23)[95][96]Training: European UnionEUCAP Sahel Niger(2012–24) CanadaOperation Naberius(2013–24)[97] Belgium[98] Germany[99](2015–2024)[100] Italy[101] Al-Qaeda

Supported by: Local ground forces Syrian Democratic Forces Ba'athist Syria [159] Russia (until 30 November 2024) Hezbollah   Iran (until 6 December 2024)[160][161]Supported by: Islamic Front (2013–2015) Syrian Salvation Government (2017–2024) Islamic State al-Qaeda Turkistan Islamic Party[175] Donald Trump(January 20, 2017 – January 20, 2021) Joe Biden(January 20, 2021 – January 20, 2025) Donald Trump(January 20, 2025 – Incumbent) Libya United Kingdom France[95] Al-Qaeda in the Islamic Maghreb[192][193] Donald Trump(January 20, 2017 – January 20, 2021) Supported by:

Seychelles Yemen (SPC) Donald Trump(January 20, 2025 – Incumbent) Palestinian Joint Operations Room: Donald Trump(January 20, 2025 – Incumbent)

The Battle of Long Island , August 27, 1776
Abduction of Daniel Boone's daughter by the Cherokee
The Battle of Fallen Timbers
Captain William Bainbridge paying tribute to the Dey of Algiers
USS Constellation vs. L'Insurgente
Lieutenant Presley O'Bannon at Derna , April 1805
The Battle of Tippecanoe
General Andrew Jackson stands on the parapet of his makeshift defenses as his troops repulse attacking Highlanders, by painter Edward Percy Moran in 1910.
The Battle of Horseshoe Bend , 1814
Decatur's squadron off Algiers
Barracks and tents at Fort Brooke near Tampa Bay
An Arikara warrior
Greek pirates attacking the British merchant ship Comet (later to be liberated by the USS Porpoise during the Battle of Doro Passage ).
U.S. Infantry Attacking at the Battle of Quallah Battoo
Native women and children fleeing the Battle of Bad Axe
U.S. Marines search for Seminoles in the Everglades
A group of U.S. soldiers defend themselves from Comanche warriors at the Battle of Buffalo Wallow .
Bombardment of Muckie
Gilbertese warriors of Tabiteuea , with shark's teeth weapons. (Drawn by Alfred Agate )
Veterans of the expedition on board Saratoga in 1842.
Commodore Jones' flagship USS United States
2nd Dragoons charge the enemy at the Battle of Resaca de la Palma , 1846
The Whitman Massacre.
U.S. Cavalry dash for cover while fighting Apaches , by F. Remington
Fort Defiance
USS Dale off San José del Cabo , Mexico in 1847, by William Henry Meyers.
Battle of Muddy Flat along the Defense Creek
Sacking of Lawrence in 1856
An illustration of USS Cyane bombarding Greytown
Seattleites evacuate to the town blockhouse as USS Decatur opens fire on advancing tribal forces.
Palikao's bridge, on the evening of the battle, by Émile Bayard
The USS Savannah which fought in the Battle of Antón Lizardo in March 1860
Proposed boundaries:
Through Haro Strait , favored by the US
Through Rosario Strait , favored by Britain
Through San Juan Channel, compromise proposal
The lines are as shown on maps of the time. The modern boundary follows straight line segments and roughly follows the blue line. The modern eastern boundary of San Juan County roughly follows the red line.
Harper's Weekly illustration of U.S. Marines attacking John Brown's "Fort" Teresa Baine
The Battle of Antietam , by Thure de Thulstrup .
USS Saginaw at Mare Island naval yard.
Rescue of Lt. Charles King.jpg
Rescue of Lt. Charles King
The Siege of New Ulm , Minnesota on August 19, 1862
USS Wyoming sinking the American built Koshin (Originally the Lancefield) which had been gifted to Japan that same year (1863)
The Fetterman Massacre
Attack of United States Marines and Sailors on the pirates of the island of Formosa, East Indies, Harper's Weekly
Battle of Beecher Island. One soldier and three horses have fallen, while others continue to wage the battle.
The captured Sujagi aboard USS Colorado in June 1871
Engraving of soldiers recovering the bodies of the slain May 3, 1873.
Texan soldiers.
Custer's last stand at Little Bighorn.
Chief Joseph's band in the Battle of Bear Paw Mountain
Aftermath of the Battle of "The Pit."
Battle of Milk Creek Canyon
Front page of "Judge" magazine, August 12, 1882, featuring a cartoon by "JAW" concerning aid rendered by the American navy during the British bombardment of Alexandria.
Crow Indians Firing into the Agency 1887.jpg
Crow Indians Firing into the Agency 1887
Mass grave for the dead Lakota after the Wounded Knee Massacre .
3rd Cavalry Troopers searching a suspected Revolutionist, 1892
10th Cavalry soldiers holding Yaqui prisoners at their camp in Bear Valley, January 9, 1918.
Samoan warriors and American servicemen during the Siege of Apia in March 1899.
Theodore Roosevelt and the "Rough Riders" after the Battle of San Juan Hill .
U.S. soldiers during the Battle of Manila .
American soldiers battling against Moro fighters.
U.S. soldiers during the Boxer Rebellion in China.
Creek prisoners of war.
American troops of the 16th Infantry Regiment rest for the night on May 27, 1916
USS Mississippi in Cuba
US Marines holding a captured Sandinista flag.
Prisoners of the Bluff War in Thompson, Utah , waiting to board a train for their trial in Salt Lake City.
American ships at Veracruz
2nd Marine Regiment in Haiti
US Marines in the Occupation of the Dominican Republic.
US troops firing 37mm gun during an advance against German entrenched positions.
US troops march through Russia before the Battle of Romanovka .
Ute and Paiute prisoners of war.
Six United States Marines raising the U.S. flag atop Mount Suribachi during the Battle of Iwo Jima .
Marines in Qingdao during Operation Beleaguer
U.S. soldier fires a 75mm recoilless rifle, near Oetlook-tong, Korea, in support of infantry units directly across the valley.
1st Cavalry Division, Battle of Ia Drang, 1965.
A U.S. Air Force Bell UH-1P from the 20th Special Operations Squadron "Green Hornets" at a base in Laos, 1970.
The capture of Allen Lawrence Pope .
US Marine sits in a foxhole and points his machine gun toward Beirut.
A4D-2 Skyhawks in flight over USS Essex during the Bay of Pigs Invasion in April 1961.
Belgian paratroopers exiting out of U.S. C-130 Hercules after returning from Operation Dragon Rouge
US soldiers push a child underneath a Jeep to protect him during a firefight in Santo Domingo on May 5, 1965.
ROK and US troop stationed at the DMZ, 1967.
US troops and tanks entering town in Cambodia.
US Marines of the 32nd Marine Amphibious Unit come ashore to assume the management of the port of Beirut.
American soldiers in artillery positions at Grenada.
USAF F-111 taking off for Libya
Iranian frigate Sahand after being attacked by U.S. aircraft.
U.S. troops prepare to take a neighborhood in Panama City, December 1989.
M1 Abrams tanks of the 3rd Armored Division advance on Medina Ridge.
A Tomahawk cruise missile is fired from an Arleigh Burke -class destroyer during Operation Desert Fox in December 1998.
U.S. Marines on patrol in Somalia.
A U.S. Army M-113 Armor Personnel Carrier prepares to pull an armored Humvee out of the mud in Bosnia and Herzegovina.
U.S. Marine guarding an area in Haiti.
A U.S. Air Force F-15E Strike Eagle takes off for an air strike mission.
U.S. soldiers from A Company, 101st Airborne Division Special Troop Battalion air assault into a village inside Jowlzak valley in Afghanistan.
MQ-9 Predator commonly used in drone strikes in Yemen.
U.S. soldiers at the Hands of Victory monument in Baghdad.
MQ-1 Predator drones typically used in covert bombing operations in Pakistan.
U.S. Marines establish security positions at Baledogle Airfield in Somalia, December 2020.
A tall plume of black smoke rises from a destroyed pirate vessel that was struck by USS Farragut in March 2010.
U.S. vessels launch missiles in support of Anti-Gaddafi rebels during the First Libyan Civil War.
U.S. Marine Sgt. Joseph Bergeron, a task force combat engineer, explains combat marksmanship tactics to a group of Ugandan soldiers.
U.S. and Nigerien soldiers training in April 2018
U.S. soldiers use a rooftop as an observation post, during the Battle of Mosul in Iraq, March 2017.
U.S. 1st Battalion, 6th Infantry Regiment troops conduct area reconnaissance patrol in Syria, February 2021.
An AV-8B Harrier assigned to the 22nd MEU aboard USS Wasp taking part in Operation Odyssey Lightning on 11 August 2016.
USS Carney engages Houthi missiles.