History of OrnamentsIn A.D. 336, an early Roman calendar first mentions December 25 as the date of Jesus’ birth. This date was likely influenced by the year-end pagan festivals to celebrate the harvest. Celebrations included specially prepared meals, decorating of homes, gift-giving and singing. Gradually, pagan traditions became a part of the Christian celebrations. Most Christmas traditions such as the Christmas tree and ornaments came from central Europe. The earliest German Christmas trees .