List of the lengths of United States participation in wars
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This article contains the length and list of major conflicts, invasions and wars participated by the United States Armed Forces since its creation in 1775.
Lengths of U.S. combat forces' participation in wars
Summarize
Perspective
War in the context of this list is broadly construed to be a direct armed conflict between organized U.S. military forces and organized forces of (a) belligerent(s).
(Note: Ongoing wars are indicated in bold and with red bars.)
Rank | War | Dates | Duration | Duration (graphical representation) |
---|---|---|---|---|
1 | War in Afghanistan | 2001 – 2021[1] | 19.9 years (19 years, 10 months) |
|
2 | Vietnam War | 1955 – 1975[2][3][4][5][a] | 19.4 years (19 years, 5 months) |
|
3 | Occupation of Haiti | 1915 – 1934 | 19 years |
|
4 | Second US Intervention in the Somali Civil War | 2007 – present[6][7][8] | 18.1 years (18 years, 1 month) |
|
5 | US intervention in Yemen | 2002, 2009 – present [9] | 15.2 years (15 years, 1 month) |
|
6 | Philippine–American War and Moro Rebellion | 1899 – 1913 | 14 years |
|
7 | War in North-West Pakistan | 2004 – 2017 | 13 years |
|
7 | US military intervention in Niger | 2013 – 2024 [10][11][12][13][14] | 11 years |
|
8 | Operation Inherent Resolve | 2014 – present | 10.7 years (10 years, 8 months) |
|
9 | Northwest Indian War | 1785 – 1795 | 10 years |
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10 | Iraq War | 2003 – 2011[15][16][17][18][19][20] | 8.7 years (8 years, 9 months) |
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11 | American Revolutionary War | 1775 – 1783 | 8.4 years (8 years, 5 months) |
|
12 | Second Seminole War | 1835 – 1842 | 6.7 years (6 years, 7 month) |
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13 | First Barbary War | 1801 – 1805 | 4.1 years (4 years, 1 month) |
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14 | American Civil War | 1861 – 1865 | 4.1 years |
|
15 | World War II | 1941 – 1945 | 3.7 years (3 years, 8 months) |
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16 | Korean War | 1950 – 1953 | 3.1 years (3 years, 1 month) |
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17 | War of 1812 | 1812 – 1814 | 2.5 years (2 years, 6 months) |
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18 | Red Cloud's War | 1866 – 1868 | 1.8 years (1 year, 9 months) |
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19 | Mexican–American War | 1846 – 1848 | 1.8 years (1 year, 9 months) |
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20 | World War I | 1917 – 1918 | 1.6 years (1 year, 7 months) |
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21 | Russian Civil War | 1918 – 1920[21] | 1.6 years (1 year, 7 months) |
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22 | Great Sioux War of 1876 | 1876 – 1877 | 1.2 years (1 year, 3 months) |
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23 | Gulf War | 1990 – 1991[22][b] | 0.6 years (7.2 months) |
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24 | Whiskey Rebellion | 1794 – 1794 | 0.4 years (4.8 months) |
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25 | Spanish–American War | 1898 – 1898 | 114 days |
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26 | Kosovo War | 1999 – 1999[23] | 79 days |
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27 | Invasion of Panama | 1989 – 1990 | 42 days |
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28 | Invasion of Grenada | 1983-10-25 – 1983-10-29 | 4 (3.5) days |
|
29 | Bay of Pigs Invasion | 1961-04-19 | 1 day[c] |
|
Sources are found in the main articles of each war, as well as the Associated Press.[26][27]
See also
- United States military deployments
- Foreign policy of the United States
- United States Department of Defense
- Declaration of war by the United States
- Military history of the United States
- Foreign interventions by the United States
- United States Armed Forces
- United States military casualties of war
- List of wars involving the United States
- List of conflicts by duration
Notes
- Direct U.S. involvement ended in 1973 with the Paris Peace Accords
- The Bay of Pigs invasion was conducted by Brigade 2506, a group of Cuban exiles recruited and equipped by the CIA as part of a covert operation, and trained by instructors from the CIA and U.S. Army Special Forces, U.S. Air Force, and Air National Guard.[24] The botched invasion took three days: Americans were initially not authorized to participate in the invasion. However, on the last day of the failed operation (April 19, 1961), U.S. air support was authorized, and eight Alabama Air National Guard members flew into Cuban airspace.[25]
References
Bibliography
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