A Comparison of the Length of America’s Wars

15 Apr

Below is a look at America’s major wars
and their length in months. Time periods are rounded up or down for
ease of comparison. Current conflicts are italicized and are colored
red. The longest wars are listed first in descending order by lenth.
The start dates reflect when the United States entered the


Vietnam War–August, 1964 to April, 1975= 116
(American involvement began in the late
   1950s, but major U.S. combat forces began taking part in large
   unit combat in 1964)


American Revolution–April, 1775 to September, 1783= 100


October, 2001 to Present (as of April, 2007)= 66


Iraq WarMarch,
   2003 to Present (as of April, 2007)= 49 months


U.S. Civil War–April, 1861 to April, 1865= 48


World War II–December, 1941 to September, 1945= 45


World War I–April, 1917 to November, 1918= 19


Korean War– June, 1950 to July, 1953= 37 months


War of 1812–June, 1812 to February, 1815= 32 months


U.S.-Mexican War– May, 1846 to February, 1848= 21


Spanish-American War–April, 1898 to August, 1898= 5


Gulf War–January, 1991 to March, 1991= 3 months





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  1. dan

    June 11, 2007 at 12:44 pm

    vietnam was not 116 months. it was 140