Grand Army of the Republic
The Grand Army of the Republic (GAR) was a fraternal organization composed of veterans of the Union Army (United States Army), Union Navy (U.S. Navy), Marines and the U.S. Revenue Cutter Service who served in the American Civil War. It was founded in 1866 and was dissolved in 1956 at the death of its last original member.
Linking men through their experience of the war, the G.A.R. became among the first organized advocacy groups in American politics, supporting voting rights for black veterans, promoting patriotic education, helping to make Memorial Day a national holiday, Its peak membership, at 410,000, was in 1890.