ND Archives - Lewis & Clark Research Database https://research.lewisandclarktrust.org/treaty-location/nd/ A digital archive of treaties, documents, artwork, and 360° trail panoramas from the Corps of Discovery Thu, 19 Feb 2026 13:47:37 +0000 en-US hourly 1 Treaty with the Gros Ventre and Mandan, 1891 https://research.lewisandclarktrust.org/treaties/treaty-with-the-gros-ventre-and-mandan-1891/ Thu, 19 Feb 2026 13:47:37 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-gros-ventre-and-mandan-1891/ Land cession by the Gros Ventre, Mandan. Region: Dakota 3. Counties: Dunn, McLean, Mercer, Mountrail. Present-Day Tribes Fort Belknap Indian Community of the Fort Belknap Reservation of Montana Three Affiliated…

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]]> Land cession by the Gros Ventre, Mandan. Region: Dakota 3. Counties: Dunn, McLean, Mercer, Mountrail.

Present-Day Tribes

  • Fort Belknap Indian Community of the Fort Belknap Reservation of Montana
  • Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota

Citations

DeMallie 677; Tiller 591

Tiller 481

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]]> Treaty with the Fort Berthold Reservation, 1892 https://research.lewisandclarktrust.org/treaties/treaty-with-the-fort-berthold-reservation-1892/ Thu, 19 Feb 2026 13:47:37 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-fort-berthold-reservation-1892/ Land cession by the Fort Berthold Reservation. Region: Dakota 3. Counties: McLean. Present-Day Tribes Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota Citations Tiller 591

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]]> Land cession by the Fort Berthold Reservation. Region: Dakota 3. Counties: McLean.

Present-Day Tribes

  • Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota

Citations

Tiller 591

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]]> Treaty with the Sioux, Standing Rock, 1889 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-standing-rock-1889/ Thu, 19 Feb 2026 13:47:36 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-standing-rock-1889/ Land cession by the Sioux, Standing Rock. Region: Dakota 3. Counties: Corson, Grant, Perkins, Sioux. Present-Day Tribes Standing Rock Sioux Tribe of North & South Dakota

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]]> Land cession by the Sioux, Standing Rock. Region: Dakota 3. Counties: Corson, Grant, Perkins, Sioux.

Present-Day Tribes

  • Standing Rock Sioux Tribe of North & South Dakota

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]]> Treaty with the Sioux, 1889 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1889/ Thu, 19 Feb 2026 13:47:35 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1889/ Land cession by the Sioux. Region: Dakota 3. Covering 11 counties across ND, SD. Present-Day Tribes Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana Cheyenne River Sioux…

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]]> Land cession by the Sioux. Region: Dakota 3. Covering 11 counties across ND, SD.

Present-Day Tribes

  • Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
  • Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
  • Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota
  • Flandreau Santee Sioux Tribe of South Dakota
  • Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota
  • Lower Sioux Indian Community in the State of Minnesota
  • Oglala Sioux Tribe of the Pine Ridge Reservation, South Dakota
  • Prairie Island Indian Community in the State of Minnesota
  • Rosebud Sioux Tribe of the Rosebud Indian Reservation, South Dakota
  • Santee Sioux Nation, Nebraska
  • Shakopee Mdewakanton Sioux Community of Minnesota
  • Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, South Dakota
  • Spirit Lake Tribe, North Dakota
  • Standing Rock Sioux Tribe of North & South Dakota
  • Upper Sioux Community, Minnesota
  • Yankton Sioux Tribe of South Dakota

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]]> Treaty with the Sioux, 1884 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1884/ Thu, 19 Feb 2026 13:47:33 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1884/ Land cession by the Sioux. Region: Dakota 2. Counties: Campbell, Emmons, Sully, Walworth. Present-Day Tribes Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana Cheyenne River Sioux Tribe…

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]]> Land cession by the Sioux. Region: Dakota 2. Counties: Campbell, Emmons, Sully, Walworth.

Present-Day Tribes

  • Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
  • Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
  • Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota
  • Flandreau Santee Sioux Tribe of South Dakota
  • Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota
  • Lower Sioux Indian Community in the State of Minnesota
  • Oglala Sioux Tribe of the Pine Ridge Reservation, South Dakota
  • Prairie Island Indian Community in the State of Minnesota
  • Rosebud Sioux Tribe of the Rosebud Indian Reservation, South Dakota
  • Santee Sioux Nation, Nebraska
  • Shakopee Mdewakanton Sioux Community of Minnesota
  • Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, South Dakota
  • Spirit Lake Tribe, North Dakota
  • Standing Rock Sioux Tribe of North & South Dakota
  • Upper Sioux Community, Minnesota
  • Yankton Sioux Tribe of South Dakota

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]]> Treaty with the Sioux, 1875 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1875/ Thu, 19 Feb 2026 13:47:32 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1875/ Land cession by the Sioux. Region: Dakota 2. Covering 15 counties across ND, SD. Associated dates: 1875-01-11, 1875-05-20, 1876-11-28, 1879-08-09. Present-Day Tribes Assiniboine and Sioux Tribes of the Fort Peck…

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]]> Land cession by the Sioux. Region: Dakota 2. Covering 15 counties across ND, SD. Associated dates: 1875-01-11, 1875-05-20, 1876-11-28, 1879-08-09.

Present-Day Tribes

  • Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
  • Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
  • Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota
  • Flandreau Santee Sioux Tribe of South Dakota
  • Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota
  • Lower Sioux Indian Community in the State of Minnesota
  • Oglala Sioux Tribe of the Pine Ridge Reservation, South Dakota
  • Prairie Island Indian Community in the State of Minnesota
  • Rosebud Sioux Tribe of the Rosebud Indian Reservation, South Dakota
  • Santee Sioux Nation, Nebraska
  • Shakopee Mdewakanton Sioux Community of Minnesota
  • Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, South Dakota
  • Spirit Lake Tribe, North Dakota
  • Standing Rock Sioux Tribe of North & South Dakota
  • Upper Sioux Community, Minnesota
  • Yankton Sioux Tribe of South Dakota

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]]> Treaty with the Sioux, 1868 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1868/ Thu, 19 Feb 2026 13:47:30 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-sioux-1868/ Land cession by the Sioux. Region: Dakota 1. Covering 8 counties across ND. Present-Day Tribes Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana Cheyenne River Sioux Tribe…

The post Treaty with the Sioux, 1868 appeared first on Lewis & Clark Research Database.

]]> Land cession by the Sioux. Region: Dakota 1. Covering 8 counties across ND.

Present-Day Tribes

  • Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
  • Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
  • Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota
  • Flandreau Santee Sioux Tribe of South Dakota
  • Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota
  • Lower Sioux Indian Community in the State of Minnesota
  • Oglala Sioux Tribe of the Pine Ridge Reservation, South Dakota
  • Prairie Island Indian Community in the State of Minnesota
  • Rosebud Sioux Tribe of the Rosebud Indian Reservation, South Dakota
  • Santee Sioux Nation, Nebraska
  • Shakopee Mdewakanton Sioux Community of Minnesota
  • Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, South Dakota
  • Spirit Lake Tribe, North Dakota
  • Standing Rock Sioux Tribe of North & South Dakota
  • Upper Sioux Community, Minnesota
  • Yankton Sioux Tribe of South Dakota

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]]> Treaty with the Arikara et al., 1851 https://research.lewisandclarktrust.org/treaties/treaty-with-the-arikara-et-al-1851/ Thu, 19 Feb 2026 13:47:21 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-arikara-et-al-1851/ Land cession by the Arikara, Gros Ventre, Mandan. Region: Dakota 1. Counties: Dunn, McKenzie, McLean, Mercer, Mountrail. Associated dates: 1851-09-17, 1870-04-12, 1880-07-13. Present-Day Tribes Fort Belknap Indian Community of the…

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]]> Land cession by the Arikara, Gros Ventre, Mandan. Region: Dakota 1. Counties: Dunn, McKenzie, McLean, Mercer, Mountrail. Associated dates: 1851-09-17, 1870-04-12, 1880-07-13.

Present-Day Tribes

  • Fort Belknap Indian Community of the Fort Belknap Reservation of Montana
  • Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota

Citations

1 Hodge 83-84; DeMallie 677; Tiller 591

Tiller 481; Tiller 591

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]]> Treaty with the Arapaho et al., 1851 https://research.lewisandclarktrust.org/treaties/treaty-with-the-arapaho-et-al-1851/ Thu, 19 Feb 2026 13:47:20 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-arapaho-et-al-1851/ Land cession by the Arapaho, Arikara, Assiniboin, Cheyenne, Crow, Gros Ventre, Mandan, Sioux. Region: Dakota 1, Montana 1. Counties: Dawson, Garfield, McKenzie, Prairie, Richland. Present-Day Tribes Arapaho Tribe of the…

The post Treaty with the Arapaho et al., 1851 appeared first on Lewis & Clark Research Database.

]]> Land cession by the Arapaho, Arikara, Assiniboin, Cheyenne, Crow, Gros Ventre, Mandan, Sioux. Region: Dakota 1, Montana 1. Counties: Dawson, Garfield, McKenzie, Prairie, Richland.

Present-Day Tribes

  • Arapaho Tribe of the Wind River Reservation, Wyoming
  • Assiniboine and Sioux Tribes of the Fort Peck Indian Reservation, Montana
  • Cheyenne and Arapaho Tribes, Oklahoma
  • Cheyenne River Sioux Tribe of the Cheyenne River Reservation, South Dakota
  • Crow Creek Sioux Tribe of the Crow Creek Reservation, South Dakota
  • Crow Tribe of Montana
  • Flandreau Santee Sioux Tribe of South Dakota
  • Fort Belknap Indian Community of the Fort Belknap Reservation of Montana
  • Lower Brule Sioux Tribe of the Lower Brule Reservation, South Dakota
  • Lower Sioux Indian Community in the State of Minnesota
  • Northern Cheyenne Tribe of the Northern Cheyenne Indian Reservation, Montana
  • Oglala Sioux Tribe of the Pine Ridge Reservation, South Dakota
  • Prairie Island Indian Community in the State of Minnesota
  • Rosebud Sioux Tribe of the Rosebud Indian Reservation, South Dakota
  • Santee Sioux Nation, Nebraska
  • Shakopee Mdewakanton Sioux Community of Minnesota
  • Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, South Dakota
  • Spirit Lake Tribe, North Dakota
  • Standing Rock Sioux Tribe of North & South Dakota
  • Three Affiliated Tribes of the Fort Berthold Reservation, North Dakota
  • Upper Sioux Community, Minnesota
  • Yankton Sioux Tribe of South Dakota

Citations

1 Hodge 83-84; DeMallie 695, 698; DeMallie 677; Tiller 481; Tiller 483; Tiller 591; Waldman 20-22; Waldman 60

1 Hodge 72-73; Tiller 476; Tiller 481; Tiller 591; Tiller 610; Waldman 28

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