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        The First Americans | First Peoples: Americas

        For many years, scientists and archaeologists thought that the first Homo sapiens arrived in the Americas roughly 13,000 years ago. Then, in 2008 a team of archaeologists discovered the remains of a group of prehistoric humans in a cave on the Yucatan Peninsula, Mexico. Radio-carbon dating revealed that these early humans died roughly 13,500 years ago, suggesting that the earliest humans arrived in the Americas much earlier than previously thought.

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