The Queen's Christmas speech was first televised in 1957.
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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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Rudolph the red-nosed reindeer was invented for a US firm's Christmas promotion in 1938.
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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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Coca Cola was the first beverage company to use Santa for a winter promotion.
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The first postage stamp to commemorate Christmas was issued in Austria in 1937.
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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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Gold-wrapped chocolate coins commemorate St Nicholas who gave bags of gold coins to the poor.
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