Wheel
InventorUnknown (Sumerians)
Year3500 BC
CategoryTransport
OriginMesopotamia
About Wheel
First used for pottery, not transportation, around 3500 BC. The spoked wheel appeared around 2000 BC, making chariots possible. The wheelbarrow was invented in China around 200 AD. Some civilizations never invented it independently, including the Americas before Columbus.
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