The abbreviation Xmas isn't irreligious. The letter X is a Greek abbreviation for Christ.
273
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
6
In the Ukraine, if you find a spider web in the house on Christmas morning, it is believed to be a harbinger of good luck! There once lived a woman so poor, says a Ukrainian folk tale, that she could not afford Christmas decorations for her family. One Ch
26
Electric lights for trees were first used in 1895.
62
The twelve days of Christmas are the days between Christmas Day and Epiphany (6th of January) and represent the length of time it took for the wise men from the East to visit the manger of Jesus after his birth.
36
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".
27
The poinsettia is a traditional Christmas flower. In Mexico (its original birthplace), the poinsettia is known as the "Flower of the Holy Night".
15