The world's longest traffic jam took place in Beijing, China. It was over 60 miles long and lasted 11 days.
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The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
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In 1958, a nuclear bomb was lost somewhere along the swampy coast of Georgia. Its whereabouts remain a mystery to this day.
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Shirley Henderson, the girl who played Moaning Myrtle (the ghost in the bathroom) was actually 37 years old when she played the character in the Harry Potter series.
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