(7th millennium BC – 6th millennium BC – 5th millennium BC – other millennia)

Events

• circa 5600 BC – According to the Black Sea deluge theory, the Black Sea floods with salt water. Some 3000 cubic miles (12,500 km³) of salt water is added, significantly expanding it and transforming it from a fresh-water landlocked lake into a salt water sea.
• September 1, 5509 BC – day of creation of the world (according to the Byzantine Empire) and beginning of their calendar [1]
• c. 5760 BC – The volcano Puy-de-Dome erupts.
• c. 5500 BC – pottery at Mehrgarh in South Asia
• 5400s BC – Irrigation in Mesopotamia.
• 5100s BC – Temples founded in South Mesopotamia

Inventions, discoveries, introductions

• Agriculture appears in the valley of the Nile
• Rice cultivated in Asia
• Wheel and plough invented