Fort Reno and the Indian Territory FrontierFollowing the Indian uprising known as the Red River War, Fort Reno (in what would become western Oklahoma) was established in 1875 by the United States government. Its original assignment was to serve as an outpost to exercise control over the Cheyenne and Arapaho Indians. But Fort Reno also served as an embryonic frontier settlement around which the first trappings of Anglo American society developed a regulatory force between the Indian tribes and