3500 BC: The Wheel
Innovation: The Wheel
Year: 3500 BC
One of the 6 classical ‘simple machines‘.
Evidence of the invention of the wheel appears in several cultures beginning in the late Neolithic period (appx. 3500 BC). An example of a simple machine, the wheel is one of the most ubiquitous technologies in the world. The first form of the wheel was carved out of large blocks of wood or stone. `