The tradition of decorating Christmas trees is believed to have originated in Germany during the 16th century. Back then, people would decorate trees with edible treats and trinkets to symbolize the feast that took place on Christmas Eve. As the tradition spread across Europe and the rest of the world, the trees were adorned with more decorations, such as ornaments, lights, and tinsel. Today, decorating a Christmas tree has become a beloved tradition that adds to the festive atmosphere of the holiday season.