The genocide of indigenous peoples is the mass destruction of entire communities of indigenous peoples. Indigenous peoples are understood to be people whose historical and current territory has become occupied by colonial expansion, or the formation of a state by a dominant group such as a colonial power.

Thanksgiving is a federal holiday in the United States, celebrated on the fourth Thursday of November. It originated as a harvest festival. Thanksgiving has been celebrated nationally on and off since 1789, with a proclamation by George Washington after a request by Congress. Thomas Jefferson chose not to observe the holiday, and its celebration was intermittent until the presidency of Abraham Lincoln, when Thanksgiving became a federal holiday in 1863, during the American Civil War.