US scientists calculated that Santa would have to visit 822 homes a second to deliver all the world's presents on Christmas Eve, travelling at 650 miles a second.
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Coca Cola was the first beverage company to use Santa for a winter promotion.
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The first postage stamp to commemorate Christmas was issued in Austria in 1937.
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In Greek legend, malicious creatures called Kallikantzaroi sometimes play troublesome pranks at Christmas time. In order to get rid of them, salt or an old shoe is burnt. The pungent burning stench drives off, or at least helps discourage, the Kallikantza
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The tradition of putting tangerines in stockings comes from 12th-century French nuns who left socks full of fruit, nuts and tangerines at the houses of the poor.
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Electric lights for trees were first used in 1895.
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The world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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