The Fort Belknap Indian Reservation is a semi-autonomous Native American-governed territory covering 1,014.064 sq mi and is located in north central Montana. This includes the main portion of their homeland, as well as off-reservation trust land. It is shared by two Native American tribes, the A'aninin (Gros Ventre) and the Nakota (Assiniboine). Its largest city is Fort Belknap Agency, at the reservation's north end. This is just south of the city of Harlem across the Milk River. Established in 1888, the reservation is what remains of the vast ancestral territory of the Blackfeet and Nakoda Nations. The A'aninin, as members of the Blackfoot Confederacy, and the Nakoda Nation signed the Fort Laramie treaties of 1851 and 1855 with the United States Government...'
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