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The Sumer form the first towns and cities. They use irrigation to farm large areas of land.
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The Sumer establish powerful city-states building large ziggurats at the center of their cities as temples to their gods.
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The Sumerians invent the first writing. They use pictures for words and inscribe them on clay tablets. .
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The Sumerians begin to use the wheel on vehicles
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The Sumerians start to implement mathematics using a number system with the base 60.
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The Sumerian language is replaced by the Akkadian language as the primary spoken language in Mesopotamia.
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Sargon I of the Akkadians conquers most of the Sumerian city states and creates the world's first empire, the Akkadian Empire.
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King Naram-Sin of the Akkadians expands the empire to its largest state. He will rule for 50 years.
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After the Akkadian Empire crumbles, the Sumerians once again gain power. The city of Ur is rebuilt.
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the Assyrians rise to power in northern Mesopotamia.
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Hammurabi becomes king of Babylon. He establishes the Code of Hammurabi and Babylon soon takes over much of Mesopotamia.
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King Shamshi-Adad of the Assyrians dies. The First Assyrian Empire is soon taken over by the Babylonians.
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Hammurabi dies and the First Babylonian Empire begins to fall apart.
