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1 gen 3050 anni a. C. - The Sumner Wheel was invented

Descrizione:

The wheel was invented in the 4th millennium BC in Lower Mesopotamia(modern-​​day Iraq), where the Sumerian people inserted rotating axles into solid discs of wood. It was only in 2000 BC that the discs began to be hollowed out to make a lighter wheel.

Aggiunto al nastro di tempo:

Data:

1 gen 3050 anni a. C.
Adesso
~ 5079 years ago