A resource for reliable information about significant people, places, events, and things in Minnesota history.
Tri-State marker at the junction of the states of Minnesota, Iowa, and South Dakota, looking north. The marker was originally erected in 1859. Photographed by William Lass on June 29, 2009.
Map of interstate boundaries in Lake Superior ultimately fixed in 1947.
Map of Minnesota's western boundary south of Lake Traverse.
Map showing three Minnesota–Wisconsin boundaries proposed during the late 1840s. Created by Alan Ominsky and reproduced in Lass, William E., "Minnesota's Separation from Wisconsin," Minnesota History 50 (Winter 1987): 311.
Map of three northern boundaries proposed for the state of Minnesota at varying degrees of latitude.
Map of the boundaries of Iowa approved by Congress in 1845 but rejected by Iowa voters.
Map of the boundaries of Iowa proposed by the Iowa Constitutional Convention of 1844.
Map of North America drawn by John Mitchell, 1755.
Minnesota's boundaries were established by treaties between the U.S. and Great Britain and the formation of the states of Michigan, Wisconsin, Iowa, and Minnesota.
Ho-Chunk leader, Winneshiek II, likely at Fort Snelling, 1863. Winnesheik II led Ho-Chunk resistance against the treaty of 1859. His band was the last to submit to removal from Minnesota.
Made possible by the Arts and Cultural Heritage Fund through the vote of Minnesotans on November 4, 2008. Administered by the Minnesota Historical Society.
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