The first civilization in world history has appeared in Mesopotamia. This development has taken place on the fertile flood plains of the rivers Tigris and Euphrates. Here, the requirements for large-scale irrigation and flood control systems have given rise to large communities the first cities with densely concentrated populations.
In order to organize the labour of the people efficiently, the priestly elites who control these cities are gradually perfecting the first known writing script and numeral system. These are key developments in the emergence of civilization.
Related Timelines:
Timeline of Middle East History
Timeline of World History