1935 17 (7) Home, shop, and grave of President Andrew Johnson; site includes Andrew Johnson National Cemetery. Aniakchak MR SW Alaska 1978 601,294 (243,439) Volcano; wilderness and wildlife preserve. Antietam BF Central Md. 1890 3,231 (1,308) See Antietam campaign. Antietam (Sharpsburg) ...
- Percent of population enlisted: 0.36% Congress approved the burial of an unidentified body from World War I on March 4, 1921, at Arlington National Cemetery. The "Unknown Soldier" commemorates the 116,516 American soldiers killed in World War I, many of whose bodies were never identified. ...
1935 17 (7) Home, shop, and grave of President Andrew Johnson; site includes Andrew Johnson National Cemetery. Aniakchak MR SW Alaska 1978 601,294 (243,439) Volcano; wilderness and wildlife preserve. Antietam BF Central Md. 1890 3,231 (1,308) See Antietam campaign. Antietam (Sharpsburg) ...