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USA: In war for 222 years out of 239 years of history.

Since The United States of America was founded in 1776, this country has been in war for 222 years. That is, the 93% of its time since it exists. Only 21 years were peaceful.

In other words:

- No president has been able to lead the country completely in peaceful times.

- The US has never gone through an entire decade without a war.

- The only time that the US was five consecutive years without war (1935-1940) was during the isolation period after the Great Depresion, previous to the Second World War.

WARS THE US HAS BEEN INVOLVED (1776-2015)

    1776 – American Revolutionary War, Chickamagua Wars, Second Cherokee War, Pennamite-Yankee War

    1777 – American Revolutionary War, Chickamauga Wars, Second Cherokee War, Pennamite-Yankee War

    1778 – American Revolutionary War, Chickamauga Wars, Pennamite-Yankee War

    1779 – American Revolutionary War, Chickamauga Wars, Pennamite-Yankee War

    1780 – American Revolutionary War, Chickamauga Wars, Pennamite-Yankee War

    1781 – American Revolutionary War, Chickamauga Wars, Pennamite-Yankee War

    1782 – American Revolutionary War, Chickamauga Wars, Pennamite-Yankee War

    1783 – American Revolutionary War, Chickamauga Wars, Pennamite-Yankee War



    1784 – Chickamauga Wars, Pennamite-Yankee War, Oconee War

    1785 – Chickamauga Wars, Northwest Indian War

    1786 – Chickamauga Wars, Northwest Indian War

    1787 – Chickamauga Wars, Northwest Indian War



    1788 – Chickamauga Wars, Northwest Indian War

    1789 – Chickamauga Wars, Northwest Indian War

    1790 – Chickamauga Wars, Northwest Indian War

    1791 – Chickamauga Wars, Northwest Indian War

    1792 – Chickamauga Wars, Northwest Indian War

    1793 – Chickamauga Wars, Northwest Indian War

    1794 – Chickamauga Wars, Northwest Indian War



    1795 – Northwest Indian War



    1796 – No major war

    1797 – No major war



    1798 – Quasi-War

    1799 – Quasi-War



    1800 – Quasi-War



    1801 – First Barbary War

    1802 – First Barbary War

    1803 – First Barbary War



    1804 – First Barbary War

    1805 – First Barbary War



    1806 – Sabine Expedition

    1807 – No major war

    1808 – No major war

    1809 – No major war

    1810 – U.S. occupies Spanish-held West Florida



    1811 – Tecumseh’s War

    1812 – War of 1812, Tecumseh’s War, Seminole Wars, U.S. occupies Spanish-held Amelia Island and other parts of East Florida



    1813 – War of 1812, Tecumseh’s War, Peoria War, Creek War, U.S. expands its territory in West Florida

    1814 – War of 1812, Creek War, U.S. expands its territory in Florida, Anti-piracy war

    1815 – War of 1812, Second Barbary War, Anti-piracy war



    1816 – First Seminole War, Anti-piracy war

    1817 – First Seminole War, Anti-piracy war



    1818 – First Seminole War, Anti-piracy war

    1819 – Yellowstone Expedition, Anti-piracy war

    1820 – Yellowstone Expedition, Anti-piracy war



    1821 – Anti-piracy war 

    1822 – Anti-piracy war 

    1823 – Anti-piracy war, Arikara War

    1824 – Anti-piracy war

    1825 – Yellowstone Expedition, Anti-piracy war

    1826 – No major war



    1827 – Winnebago War



    1828 – No major war

    1829 – No major war

    1830 – No major war

    1831 – Sac and Fox Indian War

    1832 – Black Hawk War



    1833 – Cherokee Indian War

    1834 – Cherokee Indian War, Pawnee Indian Territory Campaign

    1835 – Cherokee Indian War, Seminole Wars, Second Creek War

    1836 – Cherokee Indian War, Seminole Wars, Second Creek War, Missouri-Iowa Border War

    1837 – Cherokee Indian War, Seminole Wars, Second Creek War, Osage Indian War, Buckshot War



    1838 – Cherokee Indian War, Seminole Wars, Buckshot War, Heatherly Indian War

    1839 – Cherokee Indian War, Seminole Wars

    1840 – Seminole Wars, U.S. naval forces invade Fiji Islands

    1841 – Seminole Wars, U.S. naval forces invade McKean Island, Gilbert Islands, and Samoa

    1842 – Seminole Wars



    1843 – U.S. forces clash with Chinese, U.S. troops invade African coast

    1844 – Texas-Indian Wars

    1845 – Texas-Indian Wars



    1846 – Mexican-American War, Texas-Indian Wars

    1847 – Mexican-American War, Texas-Indian Wars

    1848 – Mexican-American War, Texas-Indian Wars, Cayuse War

    1849 – Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Skirmish between 1st Cavalry and Indians

    1850 – Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Yuma War, California Indian Wars, Pitt River Expedition

    1851 – Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Apache Wars, Yuma War, Utah Indian Wars, California Indian Wars

    1852 – Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Yuma War, Utah Indian Wars, California Indian Wars

    1853 – Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Yuma War, Utah Indian Wars, Walker War, California Indian Wars

    1854 – Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Skirmish between 1st Cavalry and Indians

    1855 – Seminole Wars, Texas-Indian Wars, Cayuse War, Southwest Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Yakima War, Winnas Expedition, Klickitat War, Puget Sound War, Rogue River Wars, U.S. forces invade Fiji Islands and Uruguay

    1856 – Seminole Wars, Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, California Indian Wars, Puget Sound War, Rogue River Wars, Tintic War

    1857 – Seminole Wars, Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, California Indian Wars, Utah War, Conflict in Nicaragua

    1858 – Seminole Wars, Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, Mohave War, California Indian Wars, Spokane-Coeur d’Alene-Paloos War, Utah War, U.S. forces invade Fiji Islands and Uruguay

    1859 Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, California Indian Wars, Pecos Expedition, Antelope Hills Expedition, Bear River Expedition, John Brown’s raid, U.S. forces launch attack against Paraguay, U.S. forces invade Mexico

    1860 – Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Paiute War, Kiowa-Comanche War

    1861 – American Civil War, Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Cheyenne Campaign

    1862 – American Civil War, Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Cheyenne Campaign, Dakota War of 1862,

    1863 – American Civil War, Texas-Indian Wars, Southwest Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Cheyenne Campaign, Colorado War, Goshute War

    1864 – American Civil War, Texas-Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Cheyenne Campaign, Colorado War, Snake War

    1865 – American Civil War, Texas-Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Colorado War, Snake War, Utah’s Black Hawk War

    1866 – Texas-Indian Wars, Navajo Wars, Apache Wars, California Indian Wars, Skirmish between 1st Cavalry and Indians, Snake War, Utah’s Black Hawk War, Red Cloud’s War, Franklin County War, U.S. invades Mexico, Conflict with China

    1867 – Texas-Indian Wars, Long Walk of the Navajo, Apache Wars, Skirmish between 1st Cavalry and Indians, Snake War, Utah’s Black Hawk War, Red Cloud’s War, Comanche Wars, Franklin County War, U.S. troops occupy Nicaragua and attack Taiwan

    1868 – Texas-Indian Wars, Long Walk of the Navajo, Apache Wars, Skirmish between 1st Cavalry and Indians, Snake War, Utah’s Black Hawk War, Red Cloud’s War, Comanche Wars, Battle of Washita River, Franklin County War

    1869 – Texas-Indian Wars, Apache Wars, Skirmish between 1st Cavalry and Indians, Utah’s Black Hawk War, Comanche Wars, Franklin County War

    1870 – Texas-Indian Wars, Apache Wars, Skirmish between 1st Cavalry and Indians, Utah’s Black Hawk War, Comanche Wars, Franklin County War

    1871 – Texas-Indian Wars, Apache Wars, Skirmish between 1st Cavalry and Indians, Utah’s Black Hawk War, Comanche Wars, Franklin County War, Kingsley Cave Massacre, U.S. forces invade Korea

    1872 – Texas-Indian Wars, Apache Wars, Utah’s Black Hawk War, Comanche Wars, Modoc War, Franklin County War

    1873 – Texas-Indian Wars, Comanche Wars, Modoc War, Apache Wars, Cypress Hills Massacre, U.S. forces invade Mexico

    1874 – Texas-Indian Wars, Comanche Wars, Red River War, Mason County War, U.S. forces invade Mexico

    1875 – Conflict in Mexico, Texas-Indian Wars, Comanche Wars, Eastern Nevada, Mason County War, Colfax County War, U.S. forces invade Mexico

    1876 – Texas-Indian Wars, Black Hills War, Mason County War, U.S. forces invade Mexico

    1877 – Texas-Indian Wars, Skirmish between 1st Cavalry and Indians, Black Hills War, Nez Perce War, Mason County War, Lincoln County War, San Elizario Salt War, U.S. forces invade Mexico

    1878 – Paiute Indian conflict, Bannock War, Cheyenne War, Lincoln County War, U.S. forces invade Mexico

    1879 – Cheyenne War, Sheepeater Indian War, White River War, U.S. forces invade Mexico



    1880 – U.S. forces invade Mexico

    1881 – U.S. forces invade Mexico

    1882 – U.S. forces invade Mexico

    1883 – U.S. forces invade Mexico

    1884 – U.S. forces invade Mexico



    1885 – Apache Wars, Eastern Nevada Expedition, U.S. forces invade Mexico

    1886 – Apache Wars, Pleasant Valley War, U.S. forces invade Mexico

    1887 – U.S. forces invade Mexico

    1888 – U.S. show of force against Haiti, U.S. forces invade Mexico

    1889 – U.S. forces invade Mexico



    1890 – Sioux Indian War, Skirmish between 1st Cavalry and Indians, Ghost Dance War, Wounded Knee, U.S. forces invade Mexico

    1891 – Sioux Indian War, Ghost Dance War, U.S. forces invade Mexico

    1892 – Johnson County War, U.S. forces invade Mexico

    1893 – U.S. forces invade Mexico and Hawaii

    1894 – U.S. forces invade Mexico

    1895 – U.S. forces invade Mexico, Bannock Indian Disturbances

    1896 – U.S. forces invade Mexico

    1897 – No major war

    1898 – Spanish-American War, Battle of Leech Lake, Chippewa Indian Disturbances



    1899 – Philippine-American War, Banana Wars

    1900 – Philippine-American War, Banana Wars

    1901 – Philippine-American War, Banana Wars

    1902 – Philippine-American War, Banana Wars

    1903 – Philippine-American War, Banana Wars



    1904 – Philippine-American War, Banana Wars

    1905 – Philippine-American War, Banana Wars

    1906 – Philippine-American War, Banana Wars

    1907 – Philippine-American War, Banana Wars

    1908 – Philippine-American War, Banana Wars



    1909 – Philippine-American War, Banana Wars

    1910 – Philippine-American War, Banana Wars

    1911 – Philippine-American War, Banana Wars

    1912 – Philippine-American War, Banana Wars

    1913 – Philippine-American War, Banana Wars, New Mexico Navajo War



    1914 – Banana Wars, U.S. invades Mexico

    1915 – Banana Wars, U.S. invades Mexico, Colorado Paiute War

    1916 – Banana Wars, U.S. invades Mexico

    1917 – Banana Wars, World War I, U.S. invades Mexico

    1918 – Banana Wars, World War I, U.S invades Mexico



    1919 – Banana Wars, U.S. invades Mexico

    1920 – Banana Wars

    1921 – Banana Wars

    1922 – Banana Wars

    1923 – Banana Wars, Posey War



    1924 – Banana Wars

    1925 – Banana Wars

    1926 – Banana Wars

    1927 – Banana Wars

    1928 – Banana Wars



    1930 – Banana Wars

    1931 – Banana Wars

    1932 – Banana Wars

    1933 – Banana Wars

    1934 – Banana Wars



    1935 – No major war

    1936 – No major war

    1937 – No major war

    1938 – No major war

    1939 – No major war

    1940 – No major war



    1941 – World War II

    1942 – World War II

    1943 – Wold War II



    1944 – World War II

    1945 – World War II

    1946 – Cold War (U.S. occupies the Philippines and South Korea)

    1947 – Cold War (U.S. occupies South Korea, U.S. forces land in Greece to fight Communists)

    1948 – Cold War (U.S. forces aid Chinese Nationalist Party against Communists)

    1949 – Cold War (U.S. forces aid Chinese Nationalist Party against Communists)



    1950 – Korean War, Jayuga Uprising

    1951 – Korean War

    1952 – Korean War



    1953 – Korean War

    1954 – Covert War in Guatemala



    1955 – Vietnam War

    1956 – Vietnam War

    1957 – Vietnam War

    1958 – Vietnam War



    1959 – Vietnam War, Conflict in Haiti

    1960 – Vietam War

    1961 – Vietnam War

    1962 – Vietnam War, Cold War (Cuban Missile Crisis; U.S. marines fight Communists in Thailand)



    1963 – Vietnam War

    1964 – Vietnam War

    1965 – Vietnam War, U.S. occupation of Dominican Republic

    1966 – Vietnam War, U.S. occupation of Dominican Republic



    1967 – Vietnam War

    1968 – Vietnam War

    1969 – Vietnam War

    1970 – Vietnam War



    1971 – Vietnam War

    1972 – Vietnam War

    1973 – Vietnam War, U.S. aids Israel in Yom Kippur War

    1974 – Vietnam War

    1975 – Vietnam War



    1976 – No major war

    1977 – No major war

    1978 – No major war



    1979 – Cold War (CIA proxy war in Afghanistan)

    1980 – Cold War (CIA proxy war in Afghanistan)

    1981 – Cold War (CIA proxy war in Afghanistan and Nicaragua), First Gulf of Sidra Incident

    1982 – Cold War (CIA proxy war in Afghanistan and Nicaragua), Conflict in Lebanon



    1983 – Cold War (Invasion of Grenada, CIA proxy war in Afghanistan and Nicaragua), Conflict in Lebanon

    1984 – Cold War (CIA proxy war in Afghanistan and Nicaragua), Conflict in Persian Gulf

    1985 – Cold War (CIA proxy war in Afghanistan and Nicaragua)

    1986 – Cold War (CIA proxy war in Afghanistan and Nicaragua)



    1987 – Conflict in Persian Gulf

    1988 – Conflict in Persian Gulf, U.S. occupation of Panama

    1989 – Second Gulf of Sidra Incident, U.S. occupation of Panama, Conflict in Philippines



    1990 – First Gulf War, U.S. occupation of Panama

    1991 – First Gulf War



    1992 – Conflict in Iraq

    1993 – Conflict in Iraq

    1994 – Conflict in Iraq, U.S. invades Haiti

    1995 – Conflict in Iraq, U.S. invades Haiti, NATO bombing of Bosnia and Herzegovina

    1996 – Conflict in Iraq

    1997 – No major war

    1998 – Bombing of Iraq, Missile strikes against Afghanistan and Sudan



    1999 – Kosovo War



    2000 – No major war



    2001 – War on Terror in Afghanistan

    2002 – War on Terror in Afghanistan and Yemen

    2003 – War on Terror in Afghanistan, and Iraq

    2004 – War on Terror in Afghanistan, Iraq, Pakistan, and Yemen

    2005 – War on Terror in Afghanistan, Iraq, Pakistan, and Yemen



    2006 – War on Terror in Afghanistan, Iraq, Pakistan, and Yemen

    2007 – War on Terror in Afghanistan, Iraq, Pakistan, Somalia, and Yemen

    2008 – War on Terror in Afghanistan, Iraq, Pakistan, and Yemen

    2009 – War on Terror in Afghanistan, Iraq, Pakistan, and Yemen

    2010 – War on Terror in Afghanistan, Iraq, Pakistan, and Yemen



    2011 – War on Terror in Afghanistan, Iraq, Pakistan, Somalia, and Yemen; Conflict in Libya (Libyan Civil War)

    2012 – War on Terror in Afghanistan, Iraq, Somalia, Syria and Yemen

    2013 – War on Terror in Afghanistan, Iraq, Somalia, Syria and Yemen

    2014 – War on Terror in Afghanistan, Iraq, Somalia, Syria and Yemen; Civil War in Ukraine

    2015 – War on Terror in Somalia, Somalia, Syria and Yemen; Civil War in Ukraine