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Historic Nations
Iowa
Medewakanton
Missouri
Omaha
Oto
Sauk and Fox
Sioux
Sioux (Medewakanton and Wahpekute bands)
Sioux (Sisseton, Wahpeton, Medewakanton, and Wahpekute bands)
Sioux (Wahpeton and Sisseton Bands)
Wahpekuta

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 258: Sioux (Sisseton and Wahpeton) - Traverse des Sioux on the Minnesota River, Minnesota Territory, July 23, 1851
Creation Date
National Archives Identifier
176216231
Ratified Indian Treaty Number
Ratified Indian Treaty 259: Sioux (Mdewakanton and Wahpahkoota) - Mendota, Minnesota Territory, August 5, 1851
Creation Date
National Archives Identifier
176246554
Ratified Indian Treaty Number
Ratified Indian Treaty 308: Sioux (Mdewakanton and Wahpekuta [Wahpekute]) - Washington, DC, June 19, 1858
Creation Date
National Archives Identifier
178713679
Ratified Indian Treaty Number
Ratified Indian Treaty 309: Sioux (Sisseton, Wahpeton) - Washington, DC, June 19, 1858
Creation Date
National Archives Identifier
178739552
Ratified Indian Treaty Number

Associated Cessions

Cession 151
Cession 152
Cession 153
Cession 413
Cession 440