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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Robins on cards were a joke 150 years ago when postmen wore red tunics and were named after them.
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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 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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The world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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The abbreviation Xmas isn't irreligious. The letter X is a Greek abbreviation for Christ.
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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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Although now mostly vegetarian, in Victorian times, mince pies were made with beef and spices.
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