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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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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Santa Claus has many different names around the world including Father Christmas in the UK, Pere Noel in France, Kriss Kringle in Germany, La Befana in Italy, Julinesse in Denmark, Dedushka Moroz (meaning Grandfather Frost) in Russia and the Three Kings i
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The world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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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 Queen's Christmas speech was first televised in 1957.
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