Battle of Washita River
The Battle of Washita River (also called Battle of the Washita or the Washita Massacre) occurred on November 27, 1868, when Lt. Col. George Armstrong Custer's 7th U.S. Cavalry attacked Black Kettle's Southern Cheyenne camp on the Washita River (the present-day Washita Battlefield National Historic Site near Cheyenne, Oklahoma).