The Fort Laramie Treaty of 1851 affirms…
1851 CE
This territory includes what is now Colorado, east of the Front Range of the Rockies and north of the Arkansas River; Wyoming and Nebraska, south of the North Platte River; and extreme western Kansas.
Groups
Assiniboine people (Amerind tribe)
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Lakota, aka Teton Sioux (Amerind tribe)
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Arikara people (Amerind tribe)
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Shoshone, Shoshoni, or Snakes (Amerind tribe)
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Crow people, aka Absaroka or Apsáalooke (Amerind tribe)
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Cheyenne people (Amerind tribe)
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Arapaho people (Amerind tribe)
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Gros Ventre or “Atsina” people (Amerind tribe)
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United States of America (US, USA) (Washington DC)
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