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The Sumerians overtook the settlers in the Tigris/Euphrates river valley in 3500 B.C.E. and they were taken over by the Assyrians in 900 B.C.E

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11y ago
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12y ago

The Harappan civilization experienced its height around 2500 BC and began to decline about 2000 BC.

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12y ago

3300 bc - 1300 bc

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Q: When did the Sumerian civilization begin and end?
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