dec 6, 3500 BC - Watson Brake site (Louisiana)

Description:

Oldest earthwork mound complex in North America. Developed over centuries by a hunter-gatherer society, so it was monumental architecture without a settled agricultural society. Demonstrates that the pre-agricultural, pre-ceramic, indigenous cultures within the territory of the present-day United States were much more complex than previously thought. While primarily hunter-gatherers, they planned and organized large work forces over centuries to accomplish the complex mound and ridge constructions.

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