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A number of independant city-states developed. 3000 BC
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INvention of the wheel 3000 BC
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Period: to
2200 to 2700 BC Old Kingdom
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Uruk reaches population of 50000 2700 BC
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Largest Pyramid Constructed
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King Menes unites Upper and Lower Egypt 3100 BC
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James Mellaart discovers Neolithic farming village of Catalhuyuk
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Leakey team discovers Homo Habilis
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Johanson team discovers Lucy
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Leakey team discovers Laetoli footprints