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Present Day Nations
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
Iowa Tribe of Kansas and Nebraska
Iowa Tribe of Oklahoma
Lower Sioux Indian Community in the State of Minnesota
Omaha Tribe of Nebraska
Otoe-Missouria Tribe of Indians, Oklahoma

Treaty Timeline

Ratified Indian Treaties

Ratified Indian Treaty 78: Sauk (of Rock River) - St. Louis, Missouri Territory, May 13, 1816
Creation Date
National Archives Identifier
83317519
Ratified Indian Treaty Number
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
Creation Date
National Archives Identifier
83443580
Ratified Indian Treaty Number
Ratified Indian Treaty 80: Winnebago - St. Louis, Missouri Territory, June 3, 1816
Creation Date
National Archives Identifier
83740154
Ratified Indian Treaty Number
Ratified Indian Treaty 140: Oto and Missouri - Fort Atkinson, Council Bluffs, September 26, 1825
Creation Date
National Archives Identifier
169164707
Ratified Indian Treaty Number
Ratified Indian Treaty 158: Delaware - White River, Missouri, September 24, 1829
Creation Date
National Archives Identifier
124046816
Ratified Indian Treaty Number
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 174: Kickapoo - Castor Hill, St. Louis County, Missouri, October 24, 1832
Creation Date
National Archives Identifier
198249809
Ratified Indian Treaty Number
Ratified Indian Treaty 176: Shawnee and Delaware - Castor Hill, Missouri, October 26, 1832
Creation Date
National Archives Identifier
146901475
Ratified Indian Treaty Number
Ratified Indian Treaty 178: Kaskaskia and Peoria (including Michigamea, Cahokia and Tamaroa) - Castor Hill, Missouri, October 27, 1832
Creation Date
National Archives Identifier
124059118
Ratified Indian Treaty Number
Ratified Indian Treaty 180: Piankashaw and Wea - Castor Hill, Missouri, October 29, 1832
Creation Date
National Archives Identifier
124072862
Ratified Indian Treaty Number
Ratified Indian Treaty 188: Oto and Missouri - Oto Village, Platte River, September 21, 1833
Creation Date
National Archives Identifier
124087226
Ratified Indian Treaty Number
Ratified Indian Treaty 211: Iowa and Sauk and Fox of the Missouri (West of Missouri) - Fort Leavenworth, September 17, 1836
Creation Date
National Archives Identifier
148033811
Ratified Indian Treaty Number
Ratified Indian Treaty 217: Oto, Missouri, Omaha, and Sioux (Yankton and Santee Bands) - Bellevue, Upper Missouri, October 15, 1836
Creation Date
National Archives Identifier
170231456
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 247: Chippewa, Ottawa and Potawatomi - Agency on the Missouri River near Council Bluffs and at Potawatomi Creek near the Osage River, June 5 and 17, 1846
Creation Date
National Archives Identifier
175516208
Ratified Indian Treaty Number
Ratified Indian Treaty 265: Oto and Missouri - Washington, DC, March 15, 1854
Creation Date
National Archives Identifier
176561682
Ratified Indian Treaty Number
Ratified Indian Treaty 271: Sauk and Fox of Missouri - Washington, DC, May 18, 1854
Creation Date
National Archives Identifier
169389944
Ratified Indian Treaty Number
Ratified Indian Treaty 280: Confederated Oto and Missouri - Nebraska City, Nebraska Territory, December 9, 1854
Creation Date
National Archives Identifier
169820753
Ratified Indian Treaty Number
Ratified Indian Treaty 299: Blackfeet, Flathead, and Nez Perces - Council Ground on Upper Missouri near Mouth of Judith River, Nebraska Territory, October 17, 1855
Creation Date
National Archives Identifier
178354871
Ratified Indian Treaty Number
Ratified Indian Treaty 316: Sauk and Fox of the Missouri and Iowa - Great Nemaha Agency, Nebraska Territory, March 6, 1861
Creation Date
National Archives Identifier
74799192
Ratified Indian Treaty Number

Associated Cessions

Cession 151
Cession 152
Cession 153
Cession 154
Cession 155
Cession 186
Cession 292
Cession 314
Cession 595
Cession 626
Cession 627