Christmas Lights Christmas lights are one of the most recognizable and beloved symbols of the holiday season. Strung up on rooftops, trees and other exterior features, they bring light and joy to those who gaze upon them. The tradition of decorating with Christmas lights is thought to have begun in the 17th century in Europe. During that time, Christmas trees were decorated with candles. However, it wasnt until the early 20th century in America that the practice of using small electric Christmas lights for decorative purposes started. Today, Christmas lights come in a wide variety of shapes, colors and sizes. They can be used to create colorful displays on a house or in a shop window, or simple strands of lights that wrap around a tree. The blinking lights of a colorful display are especially popular in creating a festive atmosphere. Christmas lights are an integral part of the festive season and can help to create an atmosphere of fun and celebration throughout the holiday season. The sight of them evokes a festive spirit in us all, and brings a sense of joy and cheer. This is why Christmas lights are so beloved and a beloved part of the holiday season.