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In 1834, the federal government had passed an act that designated the entire great plains as one enormous reservation.
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In 1850, the government changed the policy and created many treaties that defined specific boundaries for each tribe.
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In 1864, one of the most tragic events had occurred. Most of the Cheyenne had peacefully returned to Colorado's sand creek reserve for the winter. chivington and his troops desended on the cheyenne and killed over 150 of them.
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In 1866, the warrior who's name was Crazy Horse had ambushed Captain William J. Fetterman and his company at Lodge Trail Ridge, and killed ove 80 soldiers.
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in this year there was a treaty called the Treaty of Fort Laramie to which the souix agreed to live on a resevation
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in 1874, within for years of the treaty of fort lamarie mines began searching the black hills for gold and they found a ton of it. this started the black hills gold rush
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in 1874 and 1875 the red river war broke out. the united states responded to this war by hearding the people of the friendly tribes onto reservations while opening fire on all others.
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in 1876, the soiux had held a sun dance, while sitting bull had a visin of soldiers and some native Americans falling from there horses. when Custer arrived the native americans were ready for them.
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in 1887, congress passed the dawes act aimig to americanize the native ameicans. the act broke up the resevatin and gave some of the reservation to individual natives.
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in the 1890's, the seventh calvary ronded up abot 350 starving soiux and took them to a camp at wounded knee in south Dakota. a shot was fired and the American armyopened up on the native americans.
