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Akkadian Empire
Middle East & Central AsiaHeartland today: 
Iraq
The start follows the middle chronology; the short chronology places Sargon about 60 years later. Reference works put the end between 2193 and 2154 BCE, which is the fade.
Meanwhile…
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Founded by Sargon of Akkad, the Akkadian Empire brought the Sumerian and Akkadian-speaking cities of Mesopotamia under one king and sent armies toward the Mediterranean and the Iranian plateau. It lasted about 180 years before it fragmented.
Also alive at the same time
Key events
Sargon becomes king of Akkad and begins building an empire across MesopotamiaDisputed
Middle-chronology date. The city of Akkad has never been located, so its site is not pinned.
Sources
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Sargon's daughter Enheduanna serves as high priestess at Ur and is later credited with hymns to InannaDisputed
The date is approximate. Assyriologists debate whether she wrote the poems attributed to her.
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– Naram-Sin campaigns from the Zagros to the Mediterranean and takes the title god of Akkad
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– Naram-Sin has a victory stele carved after defeating the Lullubi, a mountain people of the ZagrosDisputed
Sources date the stele only to Naram-Sin's reign, so the bar covers the whole reign.
Sources
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The empire breaks up as Gutian raiders, revolts and drought weaken the Akkadian kingsDisputed
Mesopotamian tradition blames the Gutians; modern scholars weigh drought and revolt as well. The end date varies between 2193 and 2154 BCE across sources.
Sources