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 sun sets on 24 December at 3.55pm in the UK, and rises the following morning at 8.05am.
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The Christmas tree displayed in Trafalgar square in London is an annual gift to the UK from Norway since 1947. The Norwegian spruce given is a token of appreciation of British friendship during World War II from the Norwegian people.
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The word Christmas comes from Cristes maesse, or "Christ's Mass." There is no set date for his birth in scripture and it wasn't celebrated on any particular day. However Christmas was first celebrated on the 25th of December in Rome in 336AD with an aim t
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Gold-wrapped chocolate coins commemorate St Nicholas who gave bags of gold coins to the poor.
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Rudolph the red-nosed reindeer was invented for a US firm's Christmas promotion in 1938.
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In 1999, residents of the state of Maine in America built the world's biggest ever snowman. He stood at 113ft tall.
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