The Illinois Territory is created on February …

Years: 1809 - 1809
February

The Illinois Territory is created on February 3, 1809.

The Illinois Territory originally includes lands that will become the states of Illinois, Wisconsin, the eastern portion of Minnesota, and the western portion of the upper peninsula of Michigan.

As Illinois prepares to become a state, the remaining area of the territory will be attached to the Michigan Territory.

Kaskaskia is the territorial capital.

The 1810 census will show a population of twelve thousand two hundred and eighty-two.

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