The Spirit of St. Louis
In the twelfth century, the city of Cahokia, settled on mounds near the Mississippi River, had a population greater than London’s. Its trade and travel routes stretched to present-day Minnesota and Louisiana. Around 1350, Cahokia’s residents abandoned the city for unknown reasons, but its traces remained. In 1764, traders led by Auguste Chouteau built a fort across the river and saw the abandoned mounds. Assuming they were the remains of a long-gone civilization, the French traders thought the people living around them—a different group of indigenous people than Cahokia’s inhabitants—were