Around 2900 BC, southern Mesopotamia had roughly 30 city-states sharing a bilingual Sumerian-Proto-Akkadian scribal culture. Nippur served as the major religious center where the cult of Enlil grew increasingly dominant. Controlling both Nippur and the temple of Nanna at Ur was basically a prerequisite for claiming kingship over all the land.
Early Dynastic Sumer city-states centered on Nippur and Ur

Key facts
- Early Dynastic period began approximately 2900 BC
- Approximately 30 city-states existed in southern Mesopotamia with shared bilingual scribal culture in Sumerian and Proto-Akkadian
- Nippur served as the major religious center, with the cult of Enlil becoming increasingly important
- Controlling Nippur and the temple of Nanna at Ur was a prerequisite for claiming kingship over the entire land
- Early Dynastic period ended politically around 2400 BC
- Lugalzagesi, king of Umma, defeated the king of Uruk and the king of Lagash
Site mentioned
Sources
Early Dynastic Period (Mesopotamia)en.wikipedia.org
is generally dated to c. 2900 – c. 2350 BC and was preceded by the Uruk and Jemdet Nasr periods. It saw the development of writing and the formation of the ...
Toward a Chronology of Early Dynastic Rulers in ...academia.edu
Early Dynastic period in Mesopotamia is generally subdivided into four chronological phases: ED I, ED II, ED IIIa, and ED IIIb.1
Mesopotamian history: the basicsoracc.museum.upenn.edu
Early Dynastic Period I-II (ca. 2900-2600) Growing importance of city-states; archaic texts from Ur Early Dynastic IIIa (ca. 2600-2500) Conflicts between city ...
Early Dynastic Period in Mesopotamiaworldhistory.org
The Early Dynastic period in Mesopotamia was preceded by the Ubaid period (circa 6500-4000 BCE) and the Uruk period (circa 4000-3100 BCE). Why ...
Abraham and the Chronology of Ancient Mesopotamiaanswersresearchjournal.org
Traditional Chronology of Early Mesopotamia Hassunah period 5800–5500 BC Halaf period 5500–4500 BC Ubaid period 5300–3750 BC Warka (Uruk) ...
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