1 jan 3050 ano antes da era comum - The Sumner Wheel was invented
Descrição:
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.Adicionado na linha do tempo:
Data:
1 jan 3050 ano antes da era comum
Agora
~ 5078 years ago