22 mars 2000 av. J.-C. - 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.
Ajouté au bande de temps:
Date:
22 mars 2000 av. J.-C.
Maintenaint
~ Il y a 4028 ans