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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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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Electric lights for trees were first used in 1895.
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English Puritan leader Oliver Cromwell banned Christmas between 1647 and 1660 because he believed such celebrations were immoral for the holiest day of the year.
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The Christmas tree displayed in Trafalgar square in London is an annual gift to the UK from Norway since 1947. The Norwegian spruce given is a token of appreciation of British friendship during World War II from the Norwegian people.
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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 definition of a white Christmas in the UK is for a single snow flake (perhaps amongst a shower of mixed rain and snow) to be observed falling in the 24 hours of December 25th.
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