Guns, Germs, and Steel Summary

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Events

1st Protohuman

7,000,000 b.c.

Homo Habilis

7,000,000 b.c. - 1,700,000 b.c.

Human Life

7,000,000 B.C. - Present

Upright Posture Achieved

4,000,000 b.c.

Homo Erectus

1,700,000 b.c. - 500,000 b.c.

Beginnings of Village Life

11,000 b.c.