2019-p American Legion Modern Commem Dollar $1 Graded GEM++ Proof Deep Cameo By USCG. This coin program commemorates the 100th anniversary of the founding of The American Legion on March 15, 1919, by members of the American Expeditionary Forces occupying Europe after World War I. The American Legion’s primary focus is on service to veterans, service members, and communities. The American Legion was founded on four pillars: Veterans Affairs and Rehabilitation, National Security, Americanism, Children and Youth, and was incorporated by Congress the same year as a patriotic veterans’ organization devoted to mutual helpfulness.