Treaty Timeline

Treaties and Cessions with the Sioux

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

Ratified Indian Treaty 62: Potawatomi - Portage des Sioux, July 18, 1815

July 18, 1815

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Ratified Indian Treaty 63: Piankashaw - Portage des Sioux, July 18, 1815

July 18, 1815

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Ratified Indian Treaty 64: Teton - Portage des Sioux, July 19, 1815

July 19, 1815

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Ratified Indian Treaty 65: Sioux of the Lakes - Portage des Sioux, July 19, 1815

July 19, 1815

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Ratified Indian Treaty 66: Sioux of St. Peter's River - Portage des Sioux, July 19, 1815

July 19, 1815

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Ratified Indian Treaty 67: Yankton Sioux - Portage des Sioux, July 19, 1815

July 19, 1815

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Ratified Indian Treaty 68: Makah - Portage des Sioux, July 20, 1815

July 20, 1815

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Ratified Indian Treaty 69: Kickapoo - Portage des Sioux, September 2, 1815

September 2, 1815

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Ratified Indian Treaty 71: Osage - Portage des Sioux, September 12, 1815

September 12, 1815

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Ratified Indian Treaty 73: Fox - Portage des Sioux, September 14, 1815

September 14, 1815

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Ratified Indian Treaty 74: Iowa - Portage des Sioux, September 16, 1815

September 16, 1815

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Ratified Indian Treaty 79: Sioux of the Leaf, Sioux of the Broad Leaf, Sioux Who Shoot in the Pine Tops - St. Louis, Missouri Territory, June 1, 1816

June 1, 1816

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Ratified Indian Treaty 129: Sioux (Teton, Yankton and Yanktonai) - Fort Lockout Near the Three Rivers of the Sioux Pass, June 22, 1825

June 22, 1825

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Ratified Indian Treaty 130: Sioux (Sioune and Oglala) - Mouth of the Teton River, July 5, 1825

July 5, 1825

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Ratified Indian Treaty 132: Sioux (Hunkpapa) - Arikara Village, July 16, 1825

July 16, 1825

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Ratified Indian Treaty 139: Sioux, Chippewa, Sauk and Fox, Menominee, Iowa, Winnebago, and Part of Ottawa, Chippewa and Potawatomi of Illinois - Prairie du Chien, Michigan Territory, August 19, 1825

August 19, 1825

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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

July 15, 1830

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Ratified Indian Treaty 217: Oto, Missouri, Omaha, and Sioux (Yankton and Santee Bands) - Bellevue, Upper Missouri, October 15, 1836

October 15, 1836

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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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Ratified Indian Treaty 226: Yankton Sioux - Washington, DC, October 21, 1837

October 21, 1837

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Ratified Indian Treaty 258: Sioux (Sisseton and Wahpeton) - Traverse des Sioux on the Minnesota River, Minnesota Territory, July 23, 1851

July 23, 1851

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Ratified Indian Treaty 259: Sioux (Mdewakanton and Wahpahkoota) - Mendota, Minnesota Territory, August 5, 1851

August 5, 1851

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Cession: 300

September 17, 1851

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Ratified Indian Treaty 307: Sioux (Yankton) - Washington, DC, April 19, 1858

April 19, 1858

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Ratified Indian Treaty 308: Sioux (Mdewakanton and Wahpekuta [Wahpekute]) - Washington, DC, June 19, 1858

June 19, 1858

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Ratified Indian Treaty 309: Sioux (Sisseton, Wahpeton) - Washington, DC, June 19, 1858

June 19, 1858

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Ratified Indian Treaty 339: Sioux (Miniconjou) - Fort Sully, Dakota Territory, October 10, 1865

October 10, 1865

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Ratified Indian Treaty 340: Sioux (Lower Brule) - Fort Sully, Dakota Territory, October 14, 1865

October 14, 1865

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Ratified Indian Treaty 344: Sioux (Two Kettles) - Fort Sully, Dakota Territory, October 19, 1865

October 19, 1865

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Ratified Indian Treaty 345: Sioux (Blackfeet) - Fort Sully, Dakota Territory, October 19, 1865

October 19, 1865

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Ratified Indian Treaty 346: Sioux (Sans Arcs) - Fort Sully, Dakota Territory, October 20, 1865

October 20, 1865

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Ratified Indian Treaty 347: Sioux (Hunkpapa) - Fort Sully, Dakota Territory, October 20, 1865

October 20, 1865

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Ratified Indian Treaty 348: Sioux (Yanktonai) - Fort Sully, Dakota Territory, October 20, 1865

October 20, 1865

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Ratified Indian Treaty 349: Sioux (Upper Yanktonai) - Fort Sully, Dakota Territory, October 28, 1865

October 28, 1865

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Ratified Indian Treaty 350: Sioux (Oglala) - Fort Sully, Dakota Territory, October 28, 1865

October 28, 1865

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Ratified Indian Treaty 360: Sioux (Sisseton and Wahpeton) - Washington, DC, February 19, 1867

February 19, 1867

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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: 699

March 2, 1889

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Ratified Indian Treaty 62: Potawatomi - Portage des Sioux, July 18, 1815

Ratified Indian Treaty 63: Piankashaw - Portage des Sioux, July 18, 1815

Ratified Indian Treaty 64: Teton - Portage des Sioux, July 19, 1815

Ratified Indian Treaty 65: Sioux of the Lakes - Portage des Sioux, July 19, 1815

Ratified Indian Treaty 66: Sioux of St. Peter's River - Portage des Sioux, July 19, 1815

Ratified Indian Treaty 67: Yankton Sioux - Portage des Sioux, July 19, 1815

Ratified Indian Treaty 68: Makah - Portage des Sioux, July 20, 1815

Ratified Indian Treaty 69: Kickapoo - Portage des Sioux, September 2, 1815

Ratified Indian Treaty 71: Osage - Portage des Sioux, September 12, 1815

Ratified Indian Treaty 73: Fox - Portage des Sioux, September 14, 1815

Ratified Indian Treaty 74: Iowa - Portage des Sioux, September 16, 1815

Ratified Indian Treaty 79: Sioux of the Leaf, Sioux of the Broad Leaf, Sioux Who Shoot in the Pine Tops - St. Louis, Missouri Territory, June 1, 1816

Ratified Indian Treaty 129: Sioux (Teton, Yankton and Yanktonai) - Fort Lockout Near the Three Rivers of the Sioux Pass, June 22, 1825

Ratified Indian Treaty 130: Sioux (Sioune and Oglala) - Mouth of the Teton River, July 5, 1825

Ratified Indian Treaty 132: Sioux (Hunkpapa) - Arikara Village, July 16, 1825

Ratified Indian Treaty 139: Sioux, Chippewa, Sauk and Fox, Menominee, Iowa, Winnebago, and Part of Ottawa, Chippewa and Potawatomi of Illinois - Prairie du Chien, Michigan Territory, August 19, 1825

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

Ratified Indian Treaty 217: Oto, Missouri, Omaha, and Sioux (Yankton and Santee Bands) - Bellevue, Upper Missouri, October 15, 1836

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

Cession: 243

Ratified Indian Treaty 226: Yankton Sioux - Washington, DC, October 21, 1837

Ratified Indian Treaty 258: Sioux (Sisseton and Wahpeton) - Traverse des Sioux on the Minnesota River, Minnesota Territory, July 23, 1851

Ratified Indian Treaty 259: Sioux (Mdewakanton and Wahpahkoota) - Mendota, Minnesota Territory, August 5, 1851

Cession: 300

Ratified Indian Treaty 307: Sioux (Yankton) - Washington, DC, April 19, 1858

Ratified Indian Treaty 308: Sioux (Mdewakanton and Wahpekuta [Wahpekute]) - Washington, DC, June 19, 1858

Ratified Indian Treaty 309: Sioux (Sisseton, Wahpeton) - Washington, DC, June 19, 1858

Ratified Indian Treaty 339: Sioux (Miniconjou) - Fort Sully, Dakota Territory, October 10, 1865

Ratified Indian Treaty 340: Sioux (Lower Brule) - Fort Sully, Dakota Territory, October 14, 1865

Ratified Indian Treaty 344: Sioux (Two Kettles) - Fort Sully, Dakota Territory, October 19, 1865

Ratified Indian Treaty 345: Sioux (Blackfeet) - Fort Sully, Dakota Territory, October 19, 1865

Ratified Indian Treaty 346: Sioux (Sans Arcs) - Fort Sully, Dakota Territory, October 20, 1865

Ratified Indian Treaty 347: Sioux (Hunkpapa) - Fort Sully, Dakota Territory, October 20, 1865

Ratified Indian Treaty 348: Sioux (Yanktonai) - Fort Sully, Dakota Territory, October 20, 1865

Ratified Indian Treaty 349: Sioux (Upper Yanktonai) - Fort Sully, Dakota Territory, October 28, 1865

Ratified Indian Treaty 350: Sioux (Oglala) - Fort Sully, Dakota Territory, October 28, 1865

Ratified Indian Treaty 360: Sioux (Sisseton and Wahpeton) - Washington, DC, February 19, 1867

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: 699

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Ratified Indian Treaties

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National Archives Identifier
176316993
Ratified Indian Treaty Number

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77434176
Ratified Indian Treaty Number

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77820750
Ratified Indian Treaty Number

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77828875
Ratified Indian Treaty Number

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99904360
Ratified Indian Treaty Number

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100220628
Ratified Indian Treaty Number

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100220631
Ratified Indian Treaty Number

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86752368
Ratified Indian Treaty Number

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86753387
Ratified Indian Treaty Number

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86753392
Ratified Indian Treaty Number

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86753393
Ratified Indian Treaty Number

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National Archives Identifier
86753394
Ratified Indian Treaty Number



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National Archives Identifier
167772518
Ratified Indian Treaty Number

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National Archives Identifier
167774364
Ratified Indian Treaty Number



Creation Date
National Archives Identifier
148026694
Ratified Indian Treaty Number


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National Archives Identifier
170281429
Ratified Indian Treaty Number

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148026698
Ratified Indian Treaty Number

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National Archives Identifier
148026727
Ratified Indian Treaty Number


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176246554
Ratified Indian Treaty Number

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National Archives Identifier
178710468
Ratified Indian Treaty Number

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178713679
Ratified Indian Treaty Number

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178739552
Ratified Indian Treaty Number

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178930831
Ratified Indian Treaty Number

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178930895
Ratified Indian Treaty Number

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178930933
Ratified Indian Treaty Number

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178930944
Ratified Indian Treaty Number

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178930956
Ratified Indian Treaty Number

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178931001
Ratified Indian Treaty Number

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178931017
Ratified Indian Treaty Number

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National Archives Identifier
178931031
Ratified Indian Treaty Number

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178931046
Ratified Indian Treaty Number

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National Archives Identifier
58234673
Ratified Indian Treaty Number