This territory, which initially included lands bounded by the Appalachian Mountains, the Mississippi River, the Great Lakes and the Ohio River, was later divided into the Indiana Territory (1800), the Michigan Territory (180) and the Illinois Territory (180), and later became the states of Ohio, Michigan,. Like other states in the Midwest, Indiana has a very long archaeological record. Native peoples lived in the Midwest for more than 15,000 years, covering many important cultural changes. In the 1000s, just like in neighboring Kentucky, Indiana was home to the Mississippian and Fort Ancient cultures.
The most famous local nations were Chickasaw, Lenape, Wyandot, Cherokee and Shawnee. Indiana's ratification of the Fifteenth Amendment was not followed by an immediate change to Indiana's Constitution. Indiana was not the scene of decisive battles, but there were occasional incursions on the Indiana side of the Ohio River. Much of Indiana's history can only be derived from fossils and artifacts and that's where Indiana's history begins.
In June 1541, Hernando DeSoto's army crossed the Ohio River into Indiana on June 8, 1541 at a point in present-day Evansville, Indiana. Slavery in Indiana was prohibited, however, this law did not apply to slave owners who lived in Indiana before the constitution came into force. The whole of northern Indiana was crushed by two separate glaciers; for that reason, the topography of southern Indiana is like a rug that folds under a door that opens.