The area of Michigan was part of the original territory of the United States, being part of lands ceded by four states to the United States and designated in 1787 as the "Territory northwest of the River Ohio." Michigan Territory was organized on June 30, 1805, from the northeastern part of Indiana Territory, and included all of the Lower Peninsula, the eastern part of the Upper Peninsula, a small strip of northern Indiana, and a portion of northwestern Ohio that was later contested. In 1818,...
