T
he earliest known wheels were supposed to have been made between 3500 BC and 3000 BC in Mesopotamia, or what is now modern Iraq.
These wheels were of two kinds the potter’s wheel and the cat wheel. The cart wheel was used for transportation. The potter’s wheel was the forerunner of pulleys, gear wheels, water wheels, clock work and other wheeled machinery that we use today.
Mesopotamia is known as the cradle of civilization. It was here that settled life and agriculture first began. The Mesopotamians grew bumper crops of gains. They needed to trade this for other items like building stones and metals that they wanted. This trade was developed with the help of wheeled carts.
For a long time, the wheel remained crudely shaped, as it was made by stone tools. A better shape for the wheel came about after the development of metal tools.
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