United States v. Sioux Nation of Indians their failure to obey an order to return from an off-reservation hunting expedition in the dead of winter when travel was impossible. The consequent military expedition to remove the Sioux from the Black Hills included an attack on their village on the Little Bighorn River led by General Custer. The attack culminated in the victory of Chiefs Sitting Bull and Crazy Horse over the 7th Cavalry Regiment now known as Custer's Last Stand. That victory was short-lived. Those Indians who survived subsequent battles to surrender to the Army were interned on a reservation, and deprived of their weapons and horses,
2nd Cavalry Regiment (United States) and was spread out, often with only one troop occupying a post. In December 1866, 25 troopers of the 2nd Cavalry under LT George W. Grummond accompanied CPT William J. Fetterman in his expedition against Chief Red Cloud. In northern Wyoming, these 81 men were engaged by a force of roughly 1,000 Indians, where they were all massacred in a desperate battle. On 29 June 1867, a small party of 10 troopers and 1 Indian scout under LT Lyman Kidder were ordered to take dispatches from General William Sherman to LTC George A. Custer. Custer grew impatient and moved out