Multiple choice general knowledge science & technology

The windmill originated in AD___?

  1. 634

  2. 644

  3. 624

  4. 654
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The windmill originated in Persia around 644 AD. This early Persian windmill design was vertical-axis and used primarily for grinding grain and pumping water. The year 644 aligns with the historical timeline of this invention's emergence in the Islamic Golden Age.

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