5,000 BC: Cities extent in Mesopotamia.
~ After this date Sumerians were making their mark in the Fertile Crescent and greatly affecting the Akkadians and the Egyptians.
~ Irrigation farming began in the Fertile Crescent prior to this date.
~ Grisi began as a Copper Age state about this time and ended about 2,100 BC.
~ Village farming communities were thriving along the Hwang-ho river in China.
~ to 4,000 BC In the N.E., pottery made on slow wheels and painted.
~ At the site of Eridu in N.E. more and more mud-brick temples were constructed