may 1, 3900000 BC - Australopithecus

Description:

they lived 3.9 million years ago

fact one: walked on two legs

fact two: there were three to four feet tall

fact three: they did not eat

claim: this skull does not look like use

migration: they stayed in the same place and if they moved they did it to fallow the group.

sources:

http://www.bradshawfoundation.com/origins/australopithecus_afarensis.php

https://en.wikipedia.org/wiki/Australopithecus_afarensis

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