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Megafloods Spurred Collapse of Ancient North American City Cahokia

New research suggests that the ancient city of Cahokia was wiped out by major flooding from the Mississippi River.

Cahokia Mounds State Historic Site  is located on the site of a pre-Columbian Native American city (c. 600–1400 CE) situated directly across the Mississippi River from modern St. Louis, Missouri. This historic park lies in southern Illinois between East St. Louis and Collinsville.

The park covers 2,200 acres (890 ha), or about 3.5 square miles (9 km2), and contains about 80 mounds, but the ancient city was much larger. In its heyday, Cahokia covered about 6 square miles (16 km2) and included about 120 human-made earthen mounds in a wide range of sizes, shapes, and functions.

Cahokia was the largest and most influential urban settlement in the Mississippian culture which developed advanced societies across much of what is now the central and southeastern United States, beginning more than 1000 years before European contact.

Cahokia’s population at its peak in the 1200s, an estimated 20,000, would not be surpassed by any city in the United States until the late 18th century. Today, Cahokia Mounds is considered the largest and most complexarchaeological site north of the great pre-Columbian cities in Mexico.

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About Cynthia Schnepp (895 Articles)
YouTube Personality 'ShantiUniverse', Chief Editor & Columnist of ProxyPonder.com From San Antonio Texas has lived in New York, England, and Las Vegas.