Native american burial sites dating back 5000 years

The glacial conditions further north mean that the central plains are at this time cool and moist.During the next 5000 years, while the glacial period continues, humans penetrate far into South America.

Their culture is contemporary with Mycenae and the Trojan War, with the spread of the Aryans through northern India and with the Shang dynasty in China.

During the most recent of the Ice Ages, lasting from 30,000 to 10,000 years ago, an undersea ridge between Siberia and Alaska emerges from the sea.

Known as the Bering Land Bridge, it lies partly south of the ice cap.

At approximately the same time the Hebrews are moving from Egypt through Sinai towards the promised land of Canaan.

The Olmecs represent the beginning of civilization in central America.

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