Early River Valley Civilizations 3500 bc - 450 bc

Egypt

3100 bc

2600 bc

2080 bc

1640 bc

Mesopotamia

3000 bc

2350 bc

1790 bc

Indus Valley

2500 bc

1500 bc

China

2000 bc

1532 bc

1027 bc

771 bc

771 bc

256 bc