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6th millennium BC

(7th millennium BC - 6th millennium BC - 5th millennium BC - other millennia

Events:

Irrigation in Mesopotamia ( 55th century BC)
pottery at Mehrgarh in South Asia, circa 5500 BC.
Agriculture appears in the valley of the Nile
Rice cultivated in Asia
Wheel and plough invented
Temples founded in South Mesopotamia ( 52nd century BC)
The Black Sea floods with salt water ca 5600 BC.

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