Years later he joined Buffalo Bill Cody's Wild West show. A portrait of Cody and Sitting Bull together bears the title "Foes in '76 — Friends in '85." The reality was a little more complicated.

The HISTORY Channel will debut a two-night documentary event, Sitting Bull, airing May 27 and 28 at 9 p.m. ET/PT.

Years later he joined Buffalo Bill Cody's Wild West show. A portrait of Cody and Sitting Bull together bears the title "Foes in '76 — Friends in '85." The reality was a little more complicated.