The world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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7.6 million Christmas trees are sold each year.
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Rudolph the red-nosed reindeer was invented for a US firm's Christmas promotion in 1938.
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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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The Queen's Christmas speech was first televised in 1957.
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Although now mostly vegetarian, in Victorian times, mince pies were made with beef and spices.
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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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