Kaskaskia treaties from the National Archives, and land Cessions from the Forestry Service.
Ratified Indian Treaty 23: Wyandot, Delaware, Shawnee, Ottawa, Chippewa, Potawatomi, Eel River, Wea, Kickapoo, Piankashaw, and Kaskaskia - Greenville, August 3, 1795
Ratified Indian Treaty 36: Delaware, Shawnee, Potawatomi, Miami, Eel River, Wea, Kickapoo, Piankashaw, and Kaskaskia - Fort Wayne on the Miami of the Lake, June 7, 1803
Ratified Indian Treaty 99: Tribes of the Illinois Nation (Peoria, Kaskaskia, Michigamea, Tamaroa, and Cahokia) - Edwardsville, Illinois Territory, September 25, 1818
Ratified Indian Treaty 361: Seneca; Mixed Seneca and Shawnee; Quapaw; Confederated Peoria, Kaskaskia, Wea, and Piankashaw; Miami; Ottawa of Blanchard's Fork and Roche de Boeuf; and Wyandot - Washington, DC, February 23, 1867
Ratified Indian Treaty 23: Wyandot, Delaware, Shawnee, Ottawa, Chippewa, Potawatomi, Eel River, Wea, Kickapoo, Piankashaw, and Kaskaskia - Greenville, August 3, 1795
Cession: 11
Cession: 12
Cession: 13
Cession: 14
Cession: 15
Cession: 16
Cession: 17
Cession: 18
Cession: 19
Cession: 20
Cession: 21
Cession: 22
Cession: 23
Cession: 24
Cession: 25
Cession: 26
Cession: 27
Ratified Indian Treaty 36: Delaware, Shawnee, Potawatomi, Miami, Eel River, Wea, Kickapoo, Piankashaw, and Kaskaskia - Fort Wayne on the Miami of the Lake, June 7, 1803
Ratified Indian Treaty 37: Eel River, Wyandot, Piankashaw, Kaskaskia, and Kickapoo - Vincennes, Indiana Territory, August 7, 1803
Ratified Indian Treaty 38: Kaskaskia - Vincennes, August 13, 1803
Cession: 48
Ratified Indian Treaty 99: Tribes of the Illinois Nation (Peoria, Kaskaskia, Michigamea, Tamaroa, and Cahokia) - Edwardsville, Illinois Territory, September 25, 1818
Cession: 96a
Ratified Indian Treaty 178: Kaskaskia and Peoria (including Michigamea, Cahokia and Tamaroa) - Castor Hill, Missouri, October 27, 1832
Cession: 326
Cession: 327
Cession: 328
Cession: 498
Cession: 499
Cession: 500
Cession: 501
Cession: 504
Cession: 503
Cession: 505
Ratified Indian Treaty 273: Kaskaskia, Peoria, Piankeshaw and Wea - Washington, DC, May 30, 1854
Ratified Indian Treaty 361: Seneca; Mixed Seneca and Shawnee; Quapaw; Confederated Peoria, Kaskaskia, Wea, and Piankashaw; Miami; Ottawa of Blanchard's Fork and Roche de Boeuf; and Wyandot - Washington, DC, February 23, 1867