In Greek legend, malicious creatures called Kallikantzaroi sometimes play troublesome pranks at Christmas time. In order to get rid of them, salt or an old shoe is burnt. The pungent burning stench drives off, or at least helps discourage, the Kallikantza
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The first postage stamp to commemorate Christmas was issued in Austria in 1937.
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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 world's tallest Xmas tree at 221ft high was erected in a Washington shopping mall in 1950.
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The first Christmas card was designed in 1843 by J.C. Horsley.
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At Christmas, it is traditional to exchange kisses beneath the mistletoe tree. In ancient Scandinavia, mistletoe was associated with peace and friendship. That may account for the custom of "kissing beneath the mistletoe".
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