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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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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Nearly 60 million Christmas trees are grown each year in Europe.
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There are 13 Santas in Iceland, each leaving a gift for children. They come down from the mountain one by one, starting on December 12 and have names like Spoon Licker, Door Sniffer and Meat Hook.
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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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In many households, part of the fun of eating Christmas pudding is finding a trinket that predicts your fortune for the coming year. For instance, finding a coin means you will become wealthy. A ring means you will get married; while a button predicts bac
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