> In 1787 the US Congress passed the Northwest Ordinance, which created the northwest territory of the US, known today as the "Midwest".
At that time, territories that wanted to request statehood from Congress were required to have a population of at least 60,000. In the original plans of the Northwest Ordinance, the northern border for the Illinois territory was a continuation of the Indiana-Michigan border (see map below).
In order to get to a population of 60,000, the Illinois representative Nathaniel Pope convinced Congress to move the border north by 31 miles, which would include a l…