Little Bighorn Battlefield National Monument Little Bighorn Battlefield National Monument Little Bighorn Battlefield National Monument preserves the site of the June 25 and 26, 1876, Battle of the Little Bighorn, near Crow Agency, Montana, in the United States. It also serves as a memorial to those who fought in the battle: George Armstrong Custer's 7th Cavalry and a combined Lakota-Northern Cheyenne and Arapaho force. Custer National Cemetery, on the battlefield, is part of the national monument. The site of a related military action led by Marcus Reno and Frederick Benteen is also part of the national monument, but is about 3 miles (5 km) southeast
Battle of the Little Bighorn Sitting Bull's ranks for the summer buffalo hunt. The agents did not take into account the many thousands of these "reservation Indians" who had unofficially left the reservation to join their "uncooperative non-reservation cousins led by Sitting Bull". Thus, Custer unknowingly faced thousands of Indians, including the 800 non-reservation "hostiles". All Army plans were based on the incorrect numbers. Although Custer was severely criticized after the battle for not having accepted reinforcements and for dividing his forces, it must be understood that he had accepted the same official government estimates of hostiles in the area which Terry and Gibbon had