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 abbreviation Xmas isn't irreligious. The letter X is a Greek abbreviation for Christ.
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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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The definition of a white Christmas in the UK is for a single snow flake (perhaps amongst a shower of mixed rain and snow) to be observed falling in the 24 hours of December 25th.
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Rudolph the red-nosed reindeer was invented for a US firm's Christmas promotion in 1938.
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Coca Cola was the first beverage company to use Santa for a winter promotion.
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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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