US Genealogy Map Project
Image provided by "Graphic Maps"
Image provided by "Graphic Maps"
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 (NorthEast Minnesota) continuing
East through the center points of Lakes Superior, Huron, Erie and Ontario.
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.
1803 Majority of Minn. included in the Louisiana Purchase from France.
1804 Louisiana Purchase organized into the "District of Louisiana" and the
Territory of Orleans (Louisiana).
1805 "District of Louisiana" reorganized as Territory of Louisiana.
1809 Illinois Territory organized from Indiana Territory, consisting of
Wisconsin, Illinois and NorthEast Minnesota. Indiana and Upper Michigan
remaining in Indiana Territory.
1812 Territory of Louisiana reorganized into Missouri Territory (aka The Indian Country).
1818 Illinois Territory dissolved, remainder added to Michigan Territory.
1818 Treaty with Great Britain sets Northern border at 49 degrees North,
adding NorthWest Minn. to the Missouri Territory.
1834 Lands East of the Missouri River in the Missouri Territory are
transfered to the Michigan Territory. (Central/East N.Dakota and
S.Dakota, Iowa and Western half of Minnesota.)
1836 Wisconsin Territory created from Michigan Territory. Includes
Wisconsin, Eastern Minn., and the area "East of the Missouri River"
(Central/East N.Dakota and S.Dakota, Iowa and Western half of Minnesota.)
1838 Iowa Territory created from Wisconsin Territory. Consists of
the area "East of the Missouri River" (Central/East N.Dakota and
S.Dakota, Iowa and Western half of Minnesota). Eastern Minn. remains part
of Wisconsin Territory.
1849 Wisconsin Territory dissolved, remainder (Eastern Minn.) and
Iowa Territory dissolved, remainder (Central/East N.Dakota and S.Dakota, and
Western half of Minnesota) are organized as the Minnesota Territory.
1858 Minnesota admitted to the Union as 32nd state. Minnesota Territory
reorganized, consists of Central/East No.Dakota and So.Dakota.
1861 Remainder of Minnesota Territory (Central/East No.Dakota and So.Dakota)
reorganized as the Dakota Territory.
Within the following sites, if you know of sites that they do not have included in their lists. Please notify the appropriate webmaster.
12/1998 M.A.Leonard, Last Update-01/02/2006