Christmas has become a federal holiday in many countries around the world, including the United States, to recognize the importance of the holiday and to provide a day of rest for workers. It is also a way to celebrate and honor the legacy of Christianity and its influence on Western culture. In some countries, it is also considered a time to remember and give thanks for all the blessings and joys in life. In short, Christmas is a federal holiday because it is a significant event that brings people together in celebration and reflection.