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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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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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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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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The Queen's Christmas speech was first televised in 1957.
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Black Friday in the UK is the Friday before Christmas. Instead of shopping, many people get very drunk!
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Although now mostly vegetarian, in Victorian times, mince pies were made with beef and spices.
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