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History of North America encompasses the past developments of people populating the continent of North America. While it was widely believed that continent first became a human habitat when people migrated across the Bering Sea 40,000 to 17,000 years ago, recent discoveries may have pushed those estimates back at least another 90,000 years. Regardless, migrants settled in many locations on the continent, from the Inuit of the far north to the Mayans and Aztecs of the south. These isolated communities each developed their own unique ways of life and cultures, and their interaction with one another was limited in comparison to the extensive trade and conflict of civilizations across the Atlantic in Europe and Asia.
40,000 to 17,000 years ago