The sun sets on 24 December at 3.55pm in the UK, and rises the following morning at 8.05am.
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7.6 million Christmas trees are sold each year.
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Coca Cola was the first beverage company to use Santa for a winter promotion.
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Electric lights for trees were first used in 1895.
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'Klaxon' is a name that does not belong to one of Santa's reindeer. A klaxon is actually a powerful electric horn. Its name comes from a German word meaning "shriek".
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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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The first postage stamp to commemorate Christmas was issued in Austria in 1937.
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Christmas trees become popular in the UK from 1841 when Prince Albert erected a tree in Windsor Castle following a German tradition. Fir trees have been decorated at Christmas time in Germany since the 8th century.
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