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1783 Acquired by treaty from Great Britain: Lands North of River Ohio, bordered on the West by the Mississippi River, with a Northern boundary starting at Lake of the Woods in the NorthWest continuing East through the center points of Lakes Superior, Huron, Erie and Ontario. 1784 Virginia relinquishs claims to Central/Southern portions of Indiana. 1786 Connecticut relinquishs claims to Northern portions of Indiana. 1787 "NorthWest Territory" organized from areas of Wisconsin, Michigan, Illinois, Indiana, majority of Ohio, and NorthEast Minnesota. 1800 Indiana Territory organized from NorthWest Territory, taking Wisconsin, Illinois, Indiana, NorthEast Minnesota and West half of Michigan. "New" NorthWest Territory made up of Ohio and East half of Michigan. 1809 Illinois Territory organized from Indiana Territory, consisting of Wisconsin, Illinois and NorthEast Minnesota. Indiana and Upper Michigan remaining in Indiana Territory. 1816 Indiana admitted to the Union as 19th State.
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12/1998 M.A.Leonard, Last Update-12/23/2007