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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 stats building large ziggurats at the center of their cities as temples to their gods.
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Much of lower Mesopotamia is inhabited by numerous Sumer city-states such as Ur, Uruk, Eridu, Kish, Lagash, and Nippur.
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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.