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6000 BCE
6000 B.C. Simple bows common in northern Europe
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Period: 6000 BCE to 4000 BCE
6000 BC-2000 BC
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5000 BCE
. Crop irrigation in Egypt
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4000 BCE
Wheels in Mesopotamia 4000 B.C. Stone tools still used in Egypt and Mesopotamia 4000 B.C. Egypt organized into nomos (provinces) ruled by nomarchs (chiefs)
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Period: 4000 BCE to 2000 BCE
WORLD HISTORY
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3600 BCE
Stone and wooden wheels widespread , Copper artifacts in Iran