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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Electric lights for trees were first used in 1895.
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The twelve days of Christmas are the days between Christmas Day and Epiphany (6th of January) and represent the length of time it took for the wise men from the East to visit the manger of Jesus after his birth.
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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 first Christmas card was designed in 1843 by J.C. Horsley.
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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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