Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana

Year	Treaty
1805	Treaty with the Sioux, 1805
1815	Treaty with the Sioux of St. Peter’s River, 1815
1816	Treaty with the Sioux, 1816
1825	Treaty with the Hunkpapa Band of the Sioux Tribe, 1825
1825	Treaty with the Sioux, etc., 1825
1836	Treaty with the Sioux, 1836
1837	Treaty with the Sioux, 1837
1851	Treaty of Fort Laramie with Sioux, etc., 1851
1865	Treaty with the Sioux-Hunkpapa Band, 1865
1865	Treaty with the Sioux-Yanktonai Band, 1865
1865	Treaty with the Sioux-Upper Yanktonai Band, 1865
1882	Agreement with the Sioux of Various Tribes, 1882-83