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
~ 5078 years ago