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.
|
United States Sweden |
Eyalet of Tripolitania Sultanate of Morocco |
Victory
|
1811 German Coast Uprising (1811)
Location: Territory of Orleans |
United States |
Rebel slaves
Supported by:
Haiti |
Victory
- Suppression and later trials
|
Tecumseh's War (1811)
Part of the American Indian Wars and the War of 1812
Location: Northwest River Ohio
|
United States |
Tecumseh's Confederacy
|
Victory
|
War of 1812 (1812–1815)
Location: Eastern and Central North America
|
United States Choctaw Cherokee Nation Creek Allies |
United Kingdom
Tecumseh's Confederacy
Spain (1814) |
Stalemate
Treaty of Ghent; Status quo ante bellum with no boundary changes
- British assault on Sacket's Harbor repulsed
- American invasions of British North America repulsed
- British invasions of the United States repulsed
- Defeat of Tecumseh's Confederacy
|
Creek War (1813–1814) Part of the American Indian Wars and the War of 1812
Location: Southern United States
|
United States Lower Creeks Cherokee Nation Choctaw |
Red Stick Creek |
Victory
- Creek forced to cede 23 million acres (93,000 km²) of their territory to the United States in the Treaty of Fort Jackson
|
Second Barbary War (1815) Part of the Barbary Wars
Location: Mediterranean Sea and the Barbary states.
|
United States |
Regency of Algiers |
Victory
|
First Seminole War (1817–1818)
Part of the Seminole Wars and the American Indian Wars
Location: Pensacola, Florida
|
United States |
Seminole
Spanish Florida |
Victory
|
Texas–Indian wars (1820–1875)
Part of the American Indian Wars and the Mexican Indian Wars
Location: Texas
|
Spain
Mexico
Republic of Texas United States |
Comanche |
Victory
|
Arikara War (1823)
Part of the American Indian Wars
Location: Missouri River |
United States |
Arikara |
Partial victory
|
Aegean Sea Anti-Piracy Operations of the United States (1825–1828)
Part of Piracy in the Mediterranean
Location: Off Greece, Aegean Sea
Greek pirate boats attacking HMS Comet |
United States |
Greek Pirates |
Victory
- Defeat of Greek pirates
- 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 |
Prairie La Crosse Ho-Chunks with a few allies |
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 |
Victory
|
Black Hawk War (1832)
Part of the American Indian Wars
Location: Illinois and Michigan Territory
|
United States Ho-Chunk Menominee Dakota Potawatomi |
Black Hawks British Band Ho-Chunk and Potawatomi allies |
Victory
|
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 |
Victory
|
Second Sumatran expedition (1838)
Part of the Sumatran expeditions
Location: Aceh Sultanate |
United States Netherlands |
Chiefdom of Kuala Batee |
Victory
- Malays cease attacks on American vessels
|
Aroostook War (1838)
Location: Maine and New Brunswick |
United States |
United Kingdom
|
Compromise 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
|
Victory
|
Mexican–American War (1846–1848)
Location: Texas, New Mexico, California and Mexico
|
United States California Republic |
Mexico |
Victory
|
Cayuse War (1847–1855)
Part of the American Indian Wars
Location: Oregon |
United States |
Cayuse |
Victory
- Cayuse reduced in numbers and forced to cede most of their lands
|
Apache Wars (1851–1900)
Part of the Texas–Indian wars
Location: Southwestern United States
|
United States |
Apache Ute Yavapai |
Victory
|
Puget Sound War (1855–1856)
Part of the American Indian Wars
Location: Washington |
United States Snoqualmie |
Nisqually Muckleshoot Puyallup Klickitat Haida Tlingit |
Victory
|
First Fiji Expedition
Part of the Fiji Expeditions (1855)
Location: Fiji |
United States |
Fiji |
Victory |
Rogue River Wars (1855–1856)
Location: Rogue Valley |
United States |
Rogue River people |
Victory
- Indians relocated to Siletz, Grand Ronde and Coast Reservations
|
Third Seminole War
Part of the Seminole Wars and the American Indian Wars (1855–1858)
Location: Pensacola, Florida |
United States |
Seminole |
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
Part of the American Indian Wars (1855–1858)
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 |
Victory
|
Second Opium War
Part of the Opium Wars (1856–1859)
Location: China
|
British Empire French Empire United States |
Qing dynasty |
Victory
|
Utah War
Part of the Mormon wars (1857–1858)
Location: Utah Territory and Wyoming |
United States |
Deseret/Utah Mormons (Nauvoo Legion) |
Compromise
- 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
Part of the American Indian Wars (1858–1866)
Location: New Mexico
|
United States |
Navajo |
Victory
|
Second Fiji Expedition
Part of the Fiji Expeditions (1859)
Location: Fiji |
United States |
Fiji |
Victory |
John Brown's raid on Harpers Ferry
Part of pre-Civil War conflicts (1859)
Location: West Virginia
|
United States |
Abolitionist Insurgents |
Victory |
First and Second Cortina War (1859–1861)
Location: Texas and Mexico |
United States
Confederate States
Mexico |
Cortinista bandits |
Victory |
Paiute War
Part of the American Indian Wars (1860)
Location: Pyramid Lake, Nevada |
United States |
Paiute Shoshone Bannock |
Victory
|
American Civil War (1861–1865)
Location: United States
The Battle of Antietam, by Kurz & Allison. |
United States |
Confederate States |
Victory
|
Yavapai Wars (1861–1875)
Location: Arizona |
United States |
Yavapai Apache Yuma Mohave |
Victory |
Dakota War of 1862 (1862)
Location: Minnesota and Dakota
The Siege of New Ulm, Minnesota on August 19, 1862 |
United States |
Dakota Sioux |
Victory
|
Colorado War (1863–1865)
Location: Colorado, Wyoming, and Nebraska |
United States |
Cheyenne Arapaho Sioux |
Victory
|
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 |
Victory
- Chōshū pays an indemnity of $3,000,000.
|
Snake War (1864–1868)
Locations: Oregon, Nevada, California, and Idaho |
United States |
Paiute Bannock Shoshone |
Victory |
Powder River War (1865)
Location: Powder River State |
United States |
Sioux Cheyenne Arapaho |
Stalemate |
Red Cloud's War (1866–1868)
Location: Powder River State
The Fetterman Massacre |
United States |
Lakota Cheyenne Arapaho |
Defeat
|
Formosa Expedition (1867)
Location: Southern Formosa (Taiwan)
US Marines and Sailors attack Formosan pirates. |
United States |
Paiwan |
Defeat
- American withdrawal after Marine commander killed, subsequent Formosan retreat[1]
- No other casualties
|
Comanche Campaign (1867–1875)
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 |
Victory
|
United States expedition to Korea (1871)
Location: Ganghwado
American forces after capturing the Deokjin Fort during the Battle of Ganghwa in 1871. |
United States |
Joseon Dynasty |
Victory
|
Modoc War (1872–1873)
Location: California and Oregon
Engraving of soldiers recovering the bodies of the slain May 3, 1873. |
United States |
Modoc |
Victory
|
Red River War (1874–1875)
Location: Texas |
United States |
Cheyenne Arapaho Comanche Kiowa |
Victory
- End to the Texas-Indian Wars
|
Las Cuevas War (1875)
Location: Texas and Mexico
Texan soldiers. |
United States |
Mexico |
Victory
|
Great Sioux War of 1876 (1876–1877)
Location: Montana, Dakota and Wyoming
Custer's last stand at Little Bighorn. |
United States |
Lakota Dakota Sioux Northern Cheyenne Arapaho |
Victory
- Legal control of Powder River Country ceded to the United States
|
Buffalo Hunters' War (1876–1877)
Location: Texas and Oklahoma |
United States |
Comanche Apache |
Victory |
Nez Perce War (1877)
Location: Oregon, Idaho, Wyoming, and Montana
Chief Joseph's band in the Battle of Bear Paw Mountain |
United States |
Nez Perce Palouse |
Victory
|
Bannock War (1878)
Location: Idaho, Oregon, and Wyoming |
United States |
Bannock Shoshone Paiute |
Victory
|
Cheyenne War (1878–1879)
Location: Oklahoma, Kansas, Nebraska, South Dakota and Montana
Aftermath of the Battle of "The Pit." |
United States |
Cheyenne |
Victory
|
Sheepeater Indian War (1879)
Location: Idaho |
United States |
Shoshone |
Victory |
Victorio's War (1879–1881)
Location: Mexico |
United States Mexico |
Apache |
Victory
|
White River War (1879–1880)
Location: Colorado |
United States |
Ute |
Victory
|
Pine Ridge Campaign (1890–1891)
Location: South Dakota
Mass grave for the dead Lakota after the conflict at Wounded Knee Creek. |
United States |
Sioux |
Victory
|
Garza Revolution (1891–1893)
Location: Texas and Mexico
3rd Cavalry Troopers searching a suspected Revolutionist, 1892 |
Mexico United States |
Garzistas |
Victory |
Yaqui Wars (1896–1918)
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 |
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 |
Compromise
|
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
|
Victory
|
Philippine–American War (1899–1902)
Location: Philippines
|
1899-1902 United States
1902-1906 United States
|
1899-1902 Philippine Republic
Limited Foreign Support:
Empire of Japan
1902-1906 Tagalog Republic
|
Victory
|
Moro Rebellion (1899–1913)
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 |
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 |
Victory
- Rebellion suppressed
- Signing of the Boxer Protocol
- Provisions for foreign troops to be stationed in Beijing
|