Sumerian Empire (Sumer) (11 ottob 5000 anni a. C. – 1 gen 2350 anni a. C.)
Descrizione:
Capital: UrIrrigation systems (from Tigris and Euphrates) to build complex agricultural societies
Solid administrative and religious systems
Bronze, wheel, iron
Trade with outside societies; Massive trade center at Ur
Specialization of labor with growing population and food availability
Aggiunto al nastro di tempo:
Data:
11 ottob 5000 anni a. C.
1 gen 2350 anni a. C.
~ 2652 years