Historian Deborah Pedersen deborah.pedersen@gmail.com973-600-3849 The history of The American Legion, a U.S. war veterans’ organization headquartered in Indianapolis, Indiana, began in Paris, France, March 15 to 17, 1919, by a thousand commissioned officers and enlisted men, delegates from all the units of the American Expeditionary Forces to an organization caucus meeting, which adopted a tentative constitution and selected the name “American Legion.Atribution: https://www.wikiwand.com/en/History_of_the_American_Legion