Early Dynastic Period (Mesopotamia) Early Dynastic Period (Mesopotamia) The Early Dynastic period (abbreviated ED period or ED) is an archaeological culture in Mesopotamia (modern-day Iraq) that is generally dated to c. 2900–2350 BC and was preceded by the Uruk and Jemdet Nasr periods. It saw the invention of writing and the formation of the first cities and states. The ED itself was characterized by the existence of multiple city-states: small states with a relatively simple structure that developed and solidified over time. This development ultimately led to the unification of much of Mesopotamia under the rule of Sargon, the first monarch of the Akkadian
Geography of Mesopotamia was similarly known as "Gu-gubba" (Akkadian "Kisad tamtim") "bank of the sea." A more comprehensive name of southern Mesopotamia was "Kengi", "the land," or "Kengi Sumer", "the land of Sumer". Sumer has been supposed to be the original of the Biblical Shinar and the Sankhar of the Amarna letters. Opposed to Kengi and Sumer were Urra (Un) and Akkad or northern Babylonia. The original meaning of Urra was perhaps "clayey soil," but it came to signify "the upper country" or "highlands," "kengi" being "the lowlands." In Semitic times, Urra was pronounced Un and confounded with "uru", "city" as a geographical