Treaty Timeline

Treaties and Cessions with the Iowa

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

Cession: 69

November 10, 1808

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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 122: Iowa - Washington, DC, August 4, 1824

August 4, 1824

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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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Cession: 151

July 15, 1830

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Cession: 152

July 15, 1830

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Cession: 153

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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Cession: 292

July 15, 1830

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Ratified Indian Treaty 211: Iowa and Sauk and Fox of the Missouri (West of Missouri) - Fort Leavenworth, September 17, 1836

September 17, 1836

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Cession: 323

September 17, 1836

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Ratified Indian Treaty 222: Kiowa, Kataka and Tawakaro - Fort Gibson, May 26, 1837

May 26, 1837

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Ratified Indian Treaty 229: Iowa - St. Louis, Missouri, November 23, 1837

November 23, 1837

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Ratified Indian Treaty 233: Iowa - Great Nemaha Subagency, October 19, 1838

October 19, 1838

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Ratified Indian Treaty 243: Sauk and Fox - Sauk and Fox Agency, Iowa Territory, October 11, 1842

October 11, 1842

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Ratified Indian Treaty 262: Comanche, Kiowa and Apache - Fort Atkinson, Indian Territory, July 27, 1853

July 27, 1853

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Ratified Indian Treaty 270: Iowa - Washington, DC, May 17, 1854

May 17, 1854

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Ratified Indian Treaty 316: Sauk and Fox of the Missouri and Iowa - Great Nemaha Agency, Nebraska Territory, March 6, 1861

March 6, 1861

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Ratified Indian Treaty 343: Kiowa and Comanche - Little Arkansas River, Kansas, October 18, 1865

October 18, 1865

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Ratified Indian Treaty 364: Kiowa and Comanche - Medicine Lodge Creek, Kansas, October 21, 1867

October 21, 1867

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Ratified Indian Treaty 365: Kiowa, Comanche, and Apache - Medicine Lodge Creek, Kansas, October 21, 1867

October 21, 1867

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Cession: 649

August 15, 1883

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Cession: 69

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

Ratified Indian Treaty 122: Iowa - Washington, DC, August 4, 1824

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

Cession: 151

Cession: 152

Cession: 153

Cession: 154

Cession: 155

Cession: 292

Ratified Indian Treaty 211: Iowa and Sauk and Fox of the Missouri (West of Missouri) - Fort Leavenworth, September 17, 1836

Cession: 323

Ratified Indian Treaty 222: Kiowa, Kataka and Tawakaro - Fort Gibson, May 26, 1837

Ratified Indian Treaty 229: Iowa - St. Louis, Missouri, November 23, 1837

Ratified Indian Treaty 233: Iowa - Great Nemaha Subagency, October 19, 1838

Ratified Indian Treaty 243: Sauk and Fox - Sauk and Fox Agency, Iowa Territory, October 11, 1842

Ratified Indian Treaty 262: Comanche, Kiowa and Apache - Fort Atkinson, Indian Territory, July 27, 1853

Ratified Indian Treaty 270: Iowa - Washington, DC, May 17, 1854

Ratified Indian Treaty 316: Sauk and Fox of the Missouri and Iowa - Great Nemaha Agency, Nebraska Territory, March 6, 1861

Ratified Indian Treaty 343: Kiowa and Comanche - Little Arkansas River, Kansas, October 18, 1865

Ratified Indian Treaty 364: Kiowa and Comanche - Medicine Lodge Creek, Kansas, October 21, 1867

Ratified Indian Treaty 365: Kiowa, Comanche, and Apache - Medicine Lodge Creek, Kansas, October 21, 1867

Cession: 649

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Ratified Indian Treaties

Creation Date
National Archives Identifier
86753394
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
122642976
Ratified Indian Treaty Number




Creation Date
National Archives Identifier
148026708
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
148027181
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
187789286
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
165042184
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
176248632
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
199928778
Ratified Indian Treaty Number


Creation Date
National Archives Identifier
178930920
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
179022743
Ratified Indian Treaty Number

Creation Date
National Archives Identifier
179033797
Ratified Indian Treaty Number