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Questions tagged [precolumbian-era]

For questions pertaining to the Americas during the time period before the discovery of the Americas by Christopher Columbus in c. A. D. 1492. The era comprises the initial settlement of the Americas and the subsequent development of peoples, settlements and civilisation in the Americas.

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Did pre-Columbian Americans know the spherical shape of the Earth?

The Maya are known for their astronomy and mathematics, most notably their famous calculation of the length of a year. I was surprised to learn that they supported a flat Earth model, though to be ...