6th millennium BC
(7th millennium BC - 6th millennium BC - 5th millennium BC - other millennia
Events:
| Date | Event(s) |
|---|---|
| ? | Agriculture appears in the valley of the Nile |
| ? | Rice cultivated in Asia |
| ? | Wheel and plough invented |
| circa 5600 BC | The Black Sea floods with salt water |
| September 1, 5509 BC | day of creation of the world (according to the Byzantine Empire) and beginning of their calendar [1] |
| circa 5500 BC | pottery at Mehrgarh in South Asia |
| 5400s BC | Irrigation in Mesopotamia |
| 5100s BC | Temples founded in South Mesopotamia |
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