History of the United States I / Unit 1 USH1 0002 short lesson, about 20 seconds
The Beringia Crossing
Captions available
The idea
Scholars date the Beringia crossing to thirteen thousand through seven thousand BCE, citing shared Y chromosome genetic markers. Melting glaciers formed the Bering Strait, and later settlers arrived by boat.
In practice
Genetic markers shared across two continents standing as the evidence.
Where people slip
Around ten thousand years ago, domesticating plants and animals supplemented hunting, which is what made permanent settlement possible.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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