Lagash
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Was a Mesopotamian city-state in actual Iraq.
Establishment
January 2499 BC: Lagash was an important Sumerian city in the late 3rd millennium BC. It was at that time ruled by independent kings, Ur-Nanshe (24th century BC) and his successors.
Chronology
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Were the military compaigns of Eannatum, king of the city-state of Lagash in Sumer.
January 2399 BC: The King of Lagash, Eannatum, conquered all of Sumer, including Ur, Nippur, Akshak, Larsa, and Uruk
Were the military compaigns of Lugal-zage-si, king of the city-state of Lagash in Umma.
January 2357 BC: Lugal-zage-si led the final victory of Umma in the generation-long conflict with the city-state Lagash.
January 2399 BC: Eannatum of Lagash annexed Larsa to his empire.
January 2198 BC: After the fall of the Akkadian Empire, Lagash again thrived under its independent kings.
Disestablishment
January 2123 BC: Lagash was absorbed into the Neo-Sumerian Empire as one of its prime provinces.
Selected Sources
Douglas Frayne, "Lagas", in Presargonic Period: Early Periods, Volume 1 (2700-2350 BC), RIM The Royal Inscriptions of Mesopotamia Volume 1, Toronto: University of Toronto Press, pp. 77-293
Van De Mieroop, Marc (2004). A History of the Ancient Near East: Ca. 3000-323 BC. Wiley. pp. 50–51