Washington Theater

Historical marker location:

427 Hampshire Street, Quincy, Illinois

( Marker is on Hampshire Street east of 4th Street (Illinois Route 57), on the left when traveling east.)

1924. Quincy Landmark.

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.