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Treaty Timeline

Treaties and Cessions (related to) Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana

Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana treaties from the National Archives, and land Cessions from the Forestry Service.

Ratified Indian Treaty 159: Sauk and Fox, Sioux (Mdewakanton, Wahpacoota, Wahpeton, Sisseton, Yankton and Santee), Omaha, Iowa, Oto and Missouri - Prairie du Chien, Michigan Territory, July 15, 1830

July 15, 1830

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Cession: 154

July 15, 1830

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Cession: 155

July 15, 1830

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Ratified Indian Treaty 224: Sioux of Mississippi - Washington, DC, September 29, 1837

September 29, 1837

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Cession: 243

September 29, 1837

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Cession: 300

September 17, 1851

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Ratified Indian Treaty 369: Sioux (Brule, Oglala, Miniconjou, Yanktonai, Hunkpapa, Blackfeet, Cuthead, Two Kettle, Sans Arcs, and Santee) and Arapaho - Fort Laramie, Dakota Territory, April 29, 1868

April 29, 1868

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Cession: 516

April 29, 1868

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Cession: 584

April 29, 1868

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Cession: 597

April 29, 1868

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Cession: 614

January 11, 1875

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Cession: 581

March 16, 1875

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Cession: 598

September 26, 1876

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Cession: 599

September 26, 1876

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Cession: 631

January 24, 1882

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Cession: 632

January 24, 1882

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Cession: 653

March 20, 1884

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Cession: 693

May 1, 1888

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Cession: 699

March 2, 1889

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Ratified Indian Treaty 159: Sauk and Fox, Sioux (Mdewakanton, Wahpacoota, Wahpeton, Sisseton, Yankton and Santee), Omaha, Iowa, Oto and Missouri - Prairie du Chien, Michigan Territory, July 15, 1830

Cession: 154

Cession: 155

Ratified Indian Treaty 224: Sioux of Mississippi - Washington, DC, September 29, 1837

Cession: 243

Cession: 300

Ratified Indian Treaty 369: Sioux (Brule, Oglala, Miniconjou, Yanktonai, Hunkpapa, Blackfeet, Cuthead, Two Kettle, Sans Arcs, and Santee) and Arapaho - Fort Laramie, Dakota Territory, April 29, 1868

Cession: 516

Cession: 584

Cession: 597

Cession: 614

Cession: 581

Cession: 598

Cession: 599

Cession: 631

Cession: 632

Cession: 653

Cession: 693

Cession: 699

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TimelineJS

Ratified Indian Treaties

Ratified Indian Treaty 159: Sauk and Fox, Sioux (Mdewakanton, Wahpacoota, Wahpeton, Sisseton, Yankton and Santee), Omaha, Iowa, Oto and Missouri - Prairie du Chien, Michigan Territory, July 15, 1830
Creation Date
National Archives Identifier
131516479
Ratified Indian Treaty Number
Ratified Indian Treaty 224: Sioux of Mississippi - Washington, DC, September 29, 1837
Creation Date
National Archives Identifier
148026698
Ratified Indian Treaty Number
Ratified Indian Treaty 369: Sioux (Brule, Oglala, Miniconjou, Yanktonai, Hunkpapa, Blackfeet, Cuthead, Two Kettle, Sans Arcs, and Santee) and Arapaho - Fort Laramie, Dakota Territory, April 29, 1868
Creation Date
National Archives Identifier
183517089
Ratified Indian Treaty Number

Associated Cessions

Cession 154
Cession 155
Cession 243
Cession 300
Cession 516
Cession 581
Cession 584
Cession 597
Cession 598
Cession 599
Cession 614
Cession 631
Cession 632
Cession 653
Cession 693
Cession 699