The First U.S. Transcontinental Flight

Historical marker location:

Nebo, Illinois

( Marker is at the intersection of Pittsfield Road and Vin Fiz Road, on the left when traveling south on Pittsfield Road.)

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.