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 world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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The poinsettia is a traditional Christmas flower. In Mexico (its original birthplace), the poinsettia is known as the "Flower of the Holy Night".
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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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In Greek legend, malicious creatures called Kallikantzaroi sometimes play troublesome pranks at Christmas time. In order to get rid of them, salt or an old shoe is burnt. The pungent burning stench drives off, or at least helps discourage, the Kallikantza
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Frumenty was a spiced porridge, enjoyed by both rich and poor. It was a forerunner of modern Christmas puddings. It is linked in legend to the Celtic god Dagda, who stirred a porridge made up of all the good things of the earth.
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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 tradition of putting tangerines in stockings comes from 12th-century French nuns who left socks full of fruit, nuts and tangerines at the houses of the poor.
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