Tour Scotland travel video a walk around the Christmas Lights in the city centre on visit to Perth, Perthshire. Christmas lights, also known informally as fairy lights, are lights used for decoration in preparation for Christmas and for display throughout Christmastide. The custom goes back to the use of candles to decorate the Christmas tree in Christian homes in early modern Germany. The first known electrically illuminated Christmas tree was the creation of Edward H. Johnson, an associate of inventor Thomas Edison, on December 22, 1882 at his home on Fifth Avenue in New York City, USA