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Lewis and Clark traveled through South Dakota.
The first permanent American settlement was established at Fort Pierre by the Lewis and Clark expedition in 1804. -
General Clark sends Manuel Lisa to northern part of South Dakota, where he builds Fort Manuel, to control Indians along the Missouri River. Red Thunder, Flathead Yanktonais chief from Elm River, Brown County, with son, Waneta, and 22 Sissetons, enlist to serve English in war against Americans.
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Yankton Sioux signs a treaty that grants much of eastern South Dakota to the US government and opens the land for settlement.
https://www.youtube.com/watch?v=rNTGD5CwQg8 -
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