The first windmills were built by Persians around 800 AD. They used it to grind grain. Then windmills moved to Europe during the time of Crusaders around 1206 AD. China saw its first windmill around 1219 AD. But, the windmills that we see today came into existence when the Dutch introduced a new technology for windmills. These continued to exist till 1800s in Europe. Then US introduced its changes and windmills with rotors started to be. The windmills which are used today in India came into being ...
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