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Historic Nations
Iowa
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Treaty Timeline

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 225: Sauk and Fox (Confederated Tribes) - Washington, DC, October 21, 1837
Creation Date
National Archives Identifier
148027182
Ratified Indian Treaty Number
Ratified Indian Treaty 226: Yankton Sioux - Washington, DC, October 21, 1837
Creation Date
National Archives Identifier
148026727
Ratified Indian Treaty Number
Ratified Indian Treaty 227: Sauk and Fox of Missouri - Washington, DC, October 21, 1837
Creation Date
National Archives Identifier
148027176
Ratified Indian Treaty Number
Ratified Indian Treaty 229: Iowa - St. Louis, Missouri, November 23, 1837
Creation Date
National Archives Identifier
148027181
Ratified Indian Treaty Number
Ratified Indian Treaty 266: Omaha - Washington, DC, March 16, 1854
Creation Date
National Archives Identifier
176561695
Ratified Indian Treaty Number
Ratified Indian Treaty 334: Omaha - Washington, DC, March 6, 1865
Creation Date
National Archives Identifier
178928948
Ratified Indian Treaty Number

Associated Cessions

Cession 151
Cession 152
Cession 153
Cession 315
Cession 467
Cession 570
Cession 636
Cession 637