In the Bible, Christmas is mentioned in the book of Matthew, which is a part of the New Testament. Matthew 1:18-25 talks about the birth of Jesus Christ and the role that Mary and Joseph played in his life. It also mentions the wise men who visited Jesus as a child, bringing gifts of gold, frankincense, and myrrh. Matthew 2:1-12 also mentions the story of the wise men and their journey to find the newborn king.