mar 22, 2000 BC - began to transform human societies, began specialization of labor, social stratification, increased trade, coplex government systems, armies, increase population, increase urbanization. New technological innovations like iron weapons, chariots,, some record keepings like hieroglyphics, pictographs, alphabets. Monumetal architecture: pyramids, temples, defencive walls, roads, water systems and law codes.
Added to timeline:
Date:
mar 22, 2000 BC
Now
~ 4028 years ago