Robins on cards were a joke 150 years ago when postmen wore red tunics and were named after them.
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In 1999, residents of the state of Maine in America built the world's biggest ever snowman. He stood at 113ft tall.
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Carols began as an old English custom called wassailing, toasting neighbours to a long life.
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'Klaxon' is a name that does not belong to one of Santa's reindeer. A klaxon is actually a powerful electric horn. Its name comes from a German word meaning "shriek".
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7.6 million Christmas trees are sold each year.
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Nearly 60 million Christmas trees are grown each year in Europe.
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Although now mostly vegetarian, in Victorian times, mince pies were made with beef and spices.
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