time line of wheel and axel
- 3000 BC: Earliest evidence of wheel use in Mesopotamia
- 2000 BC: Wheel has become widespread in Mesopotamia and Egypt
- 1500 BC: Spoked wheel invented in eastern Europe
- 1000 BC: Iron rims added to wheels for increased durability
- 500 BC: Ox-drawn carts with wheels become common in ancient Greece
- 200 AD: Romans use wheels for chariots, carts, and later wagons
- Middle Ages: Wheels used for watermills, windmills, and various other machinery
- 18th century: Industrial Revolution leads to mass production of wheels and axels
- 19th century: Invention of rubber tires and pneumatic tires revolutionize transportation
- 20th century: Wheels and axels become integral parts of automobiles, trains, and airplanes.