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
1825	Treaty with the Assiniboine, 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
1866	Treaty with the Assiniboine, 1866
1876	Agreement with the Sioux, Arapaho, and Northern Cheyenne, 1876
1882	Agreement with the Sioux of Various Tribes, 1882-83
1886	Agreement with the Assiniboine, Blackfeet, Blood, Gros Ventre, Piegan, and Sioux, 1886, 1887
1888	Agreement with the Sioux, 1888
1889	Agreement with the Sioux, 1889
1895	Agreement with the Assiniboine, and Gros Ventre, 1895