The tradition of decorating a Christmas tree began in the 16th century in Germany, where it was common to bring evergreen trees indoors during the winter months. Over time, the practice evolved into decorating the trees with candles, fruit, and other decorations. In the 19th century, the custom spread to other parts of Europe, and eventually to the United States. Today, the Christmas tree is a beloved symbol of the holiday season, a reminder of the beauty and joy of nature, and a cherished family tradition.