1- The world's first windmills were built by the Persians in the ninth century AD.
2- The highest mill of the world is in Noord-Schiedam, the Netherlands! The mill is 44.9 meters high.
3- In the Netherlands, the mills rotate counterclockwise.
4- The second Saturday in May is National Mills Day, or Molendag.
5- You can become a miller by following a course!