Historical Marker

Lest We Forget

Historical marker location:
737 E Wesley Dr, O'Fallon, Illinois
( Memorial is at the intersection of East Wesley Drive and Prairie Crossing when traveling west on East Wesley Drive.)

Illinois was part of the French colonial empire, and the city of Cahokia, located near present-day Collinsville, was one of the largest pre-Columbian cities in North America. At its peak, around 1250 CE, Cahokia had a population of around 20,000 people.