Illinois Country

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United States
Illinois County


Illinois County, Virginia, formed in 1778 to govern Virginia's claims to present-day Illinois, Indiana, Michigan, Ohio, Wisconsin and eastern Minnesota; county abolished 5 January 1782; territory ceded by Virginia to Congress in March 1784. Its effective reach was limited to the French settlements at Cahokia, Kaskaskia, and Vincennes. [1].


  1. List of former United States counties (Wikipedia)