Founded in Paris, France at a historic caucus of 1,000 members of the Allied Expeditionary Force on March 15-17, 1919. The American Legion was chartered by Congress on September 16, 1919. On October 29, 1942, and on December 28, 1950, Congress amended the charter to open American Legion Membership first to veterans of World War II and then to veterans of the emergency period which began with the Korean conflict on June 25, 1950. Since the Korean conflict, Congress has authorize the inclusion to veterans of the Vietnam War; February 28, 1961 to May 7, 1975. The Lebanon/ Grenada hostilities; August 24, 1982 to July 31, 1984. The Panama hostilities; December 20.1989 to January 31, 1990. The Persian Gulf hostilities; August 3, 1990 to the cessation of hostilities as determined by Congress. The organization of the American Legion was completed at the St. Louis MO. Caucus of May 8-9, 1919. At this meeting was composed the Preamble to the organization’s constitution, setting for the purposed and principles of the American Legion.