Under the law, VA recognizes these war periods:
Mexican Border Period
May 9, 1916, through April 5, 1917 – for veterans who served in Mexico, on its borders or in adjacent waters
World War I
April 6, 1917, through November 11, 1918 for veterans who served in Russia,
April 6, 1917, through April 1, 1920 extended through July 1, 1921, for veterans
who had a least one day of service between April 6, 1917, and November 11, 1918
World War II
December 7, 1941 through December 31, 1946
Korean Conflict
June 27, 1950, through January 31, 1955
Vietnam Era
August 5, 1964 (February 28, 1961, for veterans who served “in country” before August 5, 1964), through May 7, 1975
Gulf War
August 2, 1990, through a date to be set by law or Presidential Proclamation
