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 world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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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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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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Although now mostly vegetarian, in Victorian times, mince pies were made with beef and spices.
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Robins on cards were a joke 150 years ago when postmen wore red tunics and were named after them.
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Nearly 60 million Christmas trees are grown each year in Europe.
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