Reformation Day is a Protestant Christian religious holiday celebrated on October 31 each year.
On October 31, much of the culture will be focused on candy and things that go bump in the night. Protestants, however, have something far more significant to celebrate on October 31. It’s Reformation day, which commemorates what was perhaps the greatest move of God’s Spirit since the days of the Apostles.
October 31, 1517 is the day Martin Luther nailed a copy of his ninety-five theses to the church door, provoked a debate that culminated finally in what we now call the Protestant Reformation.