jan 1, 3050 BC - The Sumner Wheel was invented
Description:
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.Added to timeline:
Date:
jan 1, 3050 BC
Now
~ 5078 years ago