Electric lights for trees were first used in 1895.
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Rudolph the red-nosed reindeer was invented for a US firm's Christmas promotion in 1938.
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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".
3
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.
18
Coca Cola was the first beverage company to use Santa for a winter promotion.
251
The sun sets on 24 December at 3.55pm in the UK, and rises the following morning at 8.05am.
81
The first postage stamp to commemorate Christmas was issued in Austria in 1937.
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