Cahokian culture spread across eastern North America 1,000 years ago in an early example of diaspora
Cahokia’s mound-building culture flourished a millennium ago near modern-day St. Louis. JByard/iStock via Getty Images Plus By Jayur Mehta, Florida State University An expansive city flourished almost a thousand years ago in the bottomlands of the Mississippi River across the water from where St. Louis, Missouri stands today. It was one of the greatest pre-Columbian cities constructed north of the Aztec city of Tenochititlan, at present-day Mexico City. The people who lived in this now largely forgotten city were part…