Sitting Bull did not agree to the treaty. He told the Jesuit missionary, Pierre Jean De Smet, who sought him out on behalf of the government: "I wish all to know that I do not propose to sell any part of my country." He continued his hit-and-run attacks on forts in the upper Missouri area throughout the late 1860s and early 1870s. The events of 1866–1868 mark a historically debated period of Sitting Bull's life. According to historian Stanley Vestal, who conducted interviews with surviving Hunkpapa in 1930, Sitting Bull was made "Supreme Chief of the whole Sioux Nation" at this time.
Sitting Bull Trophy Missouri Valley Football Conference following the demise of Great West Conference football in 2011. 2012 also marked the first year the two teams did not play each other since the 1940s, when World War II interrupted the rivalry, however they both played each other in 2016 and 2017 in non-conference play. The two teams have met 96 times on the football field, with North Dakota currently holding a 61–30–5 edge in the all-time series. North Dakota will join the Missouri Valley Football Conference in 2020 which will renew the annual rivalry. Sitting Bull Trophy The Sitting Bull Trophy is the