A map showing the major cities and cultural centers of the ancient kingdoms of Sumer and Akkad, c. 4000-2000
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Sumerian Civilization Begins in Mesopotamia
Cities and Civic Institutions Are Invented in Mesopotamia
Sumerians Invent Writing
Early Dynastic Period Flourishes in Southern Mesopotamia
Sumerian Uruk-Agina Makes Social and Political Reforms
Sargon of Akkad Establishes the Akkadian Dynasty
Enheduanna Becomes First Named Author
Ur-Nammu Establishes a Code of Law
