A Christmas tree is a decorated tree, usually an evergreen conifer, such as a spruce, pine or fir, or an artificial tree of similar appearance, associated with the celebration of Christmas.
Glade jul by Viggo Johansen (1891)
Typical North American family decorating Christmas tree (c. 1970s)
Martin Luther is depicted with his family and friends in front of a Christmas tree on Christmas Eve
Twelfth Night is a Christian festival on the last night of the Twelve Days of Christmas, marking the coming of the Epiphany. Different traditions mark the date of Twelfth Night as either 5 January or 6 January, depending on whether the counting begins on Christmas Day or 26 December. January 6 is celebrated as the feast of Epiphany, which begins the Epiphanytide season.
Mervyn Clitheroe's Twelfth Night party, by "Phiz"
A Spanish Roscón de reyes, or Kings' ring. This pastry is just one of the many types baked around the world for celebrations during the Twelve Days of Christmas and Twelfth Night.
William Shakespeare wrote the play Twelfth Night, circa 1601.