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,
George Armstrong Custer during the Manassas Campaign, where Army commander Winfield Scott detailed him to carry messages to Major General Irvin McDowell. After the battle, Custer continued participating in the defenses of Washington D.C. until October, when he became ill. He was absent from his unit until February 1862. In March, he participated with the 2nd Cavalry in the Peninsula Campaign (March to August) in Virginia until April 4. On April 5, Custer served in the 5th Cavalry Regiment and participated in the Siege of Yorktown, from April 5 to May 4 and was aide to Major General George B. McClellan; McClellan was