Illinois 1 Archives - Lewis & Clark Research Database https://research.lewisandclarktrust.org/treaty-location/illinois-1/ A digital archive of treaties, documents, artwork, and 360° trail panoramas from the Corps of Discovery Thu, 19 Feb 2026 13:47:11 +0000 en-US hourly 1 Treaty with the Cahokia et al., 1818 https://research.lewisandclarktrust.org/treaties/treaty-with-the-cahokia-et-al-1818/ Thu, 19 Feb 2026 13:47:11 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-cahokia-et-al-1818/ Land cession by the Cahokia, Kaskaskia, Mitchigamia, Peoria, Tamaroa. Region: Illinois 1. Covering 54 counties across IL. Present-Day Tribes Miami Tribe of Oklahoma Peoria Tribe of Indians of Oklahoma Citations…

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]]> Land cession by the Cahokia, Kaskaskia, Mitchigamia, Peoria, Tamaroa. Region: Illinois 1. Covering 54 counties across IL.

Present-Day Tribes

  • Miami Tribe of Oklahoma
  • Peoria Tribe of Indians of Oklahoma

Citations

1 Hodge 856, 661-62; 1 Hodge 185; 1 Hodge 661-62

Tiller 645

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]]> Treaty with the Piankishaw, 1805 https://research.lewisandclarktrust.org/treaties/treaty-with-the-piankishaw-1805/ Thu, 19 Feb 2026 13:47:09 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-piankishaw-1805/ Land cession by the Piankishaw. Region: Illinois 1. Covering 14 counties across IL. Present-Day Tribes Miami Tribe of Oklahoma Peoria Tribe of Indians of Oklahoma

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]]> Land cession by the Piankishaw. Region: Illinois 1. Covering 14 counties across IL.

Present-Day Tribes

  • Miami Tribe of Oklahoma
  • Peoria Tribe of Indians of Oklahoma

The post Treaty with the Piankishaw, 1805 appeared first on Lewis & Clark Research Database.

]]> Treaty with the Kaskaskia, 1803 https://research.lewisandclarktrust.org/treaties/treaty-with-the-kaskaskia-1803/ Thu, 19 Feb 2026 13:47:07 +0000 https://research.lewisandclarktrust.org/treaties/treaty-with-the-kaskaskia-1803/ Land cession by the Kaskaskia. Region: Illinois 1. Covering 54 counties across IL. Associated dates: 1803-08-13, 1804-08-27, 1818-09-25. Present-Day Tribes Miami Tribe of Oklahoma Peoria Tribe of Indians of Oklahoma…

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]]> Land cession by the Kaskaskia. Region: Illinois 1. Covering 54 counties across IL. Associated dates: 1803-08-13, 1804-08-27, 1818-09-25.

Present-Day Tribes

  • Miami Tribe of Oklahoma
  • Peoria Tribe of Indians of Oklahoma

Citations

1 Hodge 661-62

Tiller 645

The post Treaty with the Kaskaskia, 1803 appeared first on Lewis & Clark Research Database.

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