National Bible Sunday is celebrated on the fourth Sunday in January and is a day dedicated to exploring the Bible, a significant text in Christianity that has influenced countless lives throughout history. The observance encourages individuals to read the Bible, which is considered the oldest and most read book in the world, comprising 66 books written by at least 40 authors over a span of 1500 years. Participants may engage in reading various translations of the Bible, join Bible reading groups, or learn interesting facts about its historical context. The day serves as an opportunity for both religious practice and educational exploration of the scriptures. National Bible Sunday can be traced back to a proclamation by James Madison, emphasizing its historical significance in the United States.