Robins on cards were a joke 150 years ago when postmen wore red tunics and were named after them.
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7.6 million Christmas trees are sold each year.
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Many theologians estimate that Jesus wasn't born on December 25 but sometime in September between 6BC and 30AD.
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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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Electric lights for trees were first used in 1895.
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The abbreviation Xmas isn't irreligious. The letter X is a Greek abbreviation for Christ.
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Christmas trees become popular in the UK from 1841 when Prince Albert erected a tree in Windsor Castle following a German tradition. Fir trees have been decorated at Christmas time in Germany since the 8th century.
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The first postage stamp to commemorate Christmas was issued in Austria in 1937.
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