Parma ham is only Parma ham if it is made in the Parma region of Italy. The British chain supermarket Asda, made and packaged its own "Parma ham" and was successfully sued by the real Parma ham people (Parma Ham Trade Association).

In the United States, the most frequent month for a tornado to occur is in May.

In one day, a full-grown oak tree expels 7 tons of water through its leaves.

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