Lugalzagesi unifies key Sumerian city-statesJan 1, 2350 BCELabels: Lugalzagesi, UrukARAMAZDBritannica Mesopotamia
Sargon defeats Lugalzagesi and seizes SumerJan 1, 2334 BCELabels: Sargon of, LugalzagesiBritannica SargonBritannica Mesopotamia
Akkadian governors and institutions spread in SumerJan 1, 2330 BCELabels: Akkadian administration, Sumerian citiesBritannica Mesopotamia
Enheduanna appointed high priestess at UrJan 1, 2300 BCELabels: Enheduanna, Temple ofEnheduannaWHE Enheduanna
Rimush suppresses widespread Sumerian rebellionsJan 1, 2279 BCELabels: Rimush, Sumerian rebellionsRimushAkkadian Empire
Manishtushu continues imperial consolidation and expansionJan 1, 2270 BCELabels: Manishtushu, Akkadian campaignsManishtushuAkkadian Empire
Naram-Sin deifies kingship and reaches imperial peakJan 1, 2254 BCELabels: Naram-Sin, Deified kingshipNaram SinU Mich Stele
Shar-Kali-Sharri faces mounting pressures and contractionJan 1, 2218 BCELabels: Shar-Kali-Sharri, Akkadian declineShar Kali SharriBritannica Mesopotamia
Final Akkadian kings rule a reduced core territoryJan 1, 2168 BCELabels: Dudu, Shu-turulShu turulBritannica Mesopotamia
Gutian ascendancy coincides with Sumerian local revivalsJan 1, 2154 BCELabels: Gutians, Sumerian revivalUr IIIGudea
Ur-Nammu founds Ur III and claims Sumer–Akkad unityJan 1, 2112 BCELabels: Ur-Nammu, Ur IIIUr NammuUr III
Code of Ur-Nammu standardizes law in Neo-Sumerian stateJan 1, 2100 BCELabels: Code of, Neo-Sumerian stateBritannica Ur NammuWHE Ur Nammu