Egyptians establish city of Memphis. Sumarians establish centers of civilization. Sumarians invent an alphabet. Sumaerians use plows to cultivate. Mesopotamians use clay to make pots.
Asian artisans begin to work bronze.
First Sumarian writing appears on clay tablets. Sumarians create bureacracies run by priests and begin worshipping gods. Europeans domesticate horses. Cattle domesticated in the valley of the Tigris and Euphrates. Egyptians build irrigation canals and dikes.