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Present Day Nations
Arapaho Tribe of the Wind River Reservation, Wyoming
Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
Cheyenne and Arapaho Tribes, Oklahoma
Fort Belknap Indian Community of the Fort Belknap Reservation of Montana
Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota

Treaty Timeline

Treaties and Cessions with the Mandan

Mandan treaties from the National Archives, and land Cessions from the Forestry Service.

Ratified Indian Treaty 134: Belantse-Etoa or Minitaree - Lower Mandan Village, July 30, 1825

July 30, 1825

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Ratified Indian Treaty 135: Mandan - Mandan Village, July 30, 1825

July 30, 1825

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Ratified Indian Treaty 136: Crow - Mandan Village, August 4, 1825

August 4, 1825

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Cession: 300

September 17, 1851

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Cession: 529

September 17, 1851

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Cession: 620

September 17, 1851

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Cession: 621

September 17, 1851

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Cession: 712

March 3, 1891

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Cession: 713

March 3, 1891

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Ratified Indian Treaty 134: Belantse-Etoa or Minitaree - Lower Mandan Village, July 30, 1825

Ratified Indian Treaty 135: Mandan - Mandan Village, July 30, 1825

Ratified Indian Treaty 136: Crow - Mandan Village, August 4, 1825

Cession: 300

Cession: 529

Cession: 620

Cession: 621

Cession: 712

Cession: 713

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TimelineJS

Ratified Indian Treaties

Ratified Indian Treaty 134: Belantse-Etoa or Minitaree - Lower Mandan Village, July 30, 1825
Creation Date
National Archives Identifier
100378123
Ratified Indian Treaty Number
Ratified Indian Treaty 135: Mandan - Mandan Village, July 30, 1825
Creation Date
National Archives Identifier
100378140
Ratified Indian Treaty Number
Ratified Indian Treaty 136: Crow - Mandan Village, August 4, 1825
Creation Date
National Archives Identifier
167780634
Ratified Indian Treaty Number

Associated Cessions

Cession 300
Cession 529
Cession 620
Cession 621
Cession 712
Cession 713