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Did You Know!

Cahokia, Illinois Was Once Home to the Largest Pre-Columbian City North of Mexico

Long before Chicago or Springfield existed, the area around Cahokia Mounds near present-day Collinsville, Illinois, was a thriving city of up to 20,000 people around 1100 A.D. — larger than London at the time. It featured massive earthen pyramids and was the cultural center of the ancient Mississippian civilization. Today, it's a UNESCO World Heritage Site, yet many Illinoisans have never heard of it.