First Foreign Salute to the American Flag; The Dutch of St. Eustatius, West Indies, Who Supplied Much of Washington's War Material, Honored "Old Glory" Nov. 16, 1776. Share full article Feb. 11, 1906 ...

The upside-down American flag, originally an apolitical symbol used by sailors to signal that their ship was in trouble, has since been adopted by both the political left and right in protest.