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1783 Treaty with Great Britain, "District of Maine"'s Northern borders in dispute until 1842. 1785 Massachusetts relinquishs claims to Southern portions of Wisconsin and Michigan. 1786 New York and Massachusetts claims to Western New York are adjusted and control given to New York. 1788 Massachusetts admitted to the Union as 6th State. 1820 District of Maine separated from Massachusetts.
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12/1998 M.A.Leonard, Last Update-01/02/2006