Halloween — the night of ghost stories and trick-or-treating — has religious origins that span over two thousand years and over time, the Catholic Church, pagan groups, and even the brewing company Coors have played a role in shape-shifting the holiday. How did Halloween turn from a spiritual celebration to a multi-billion dollar industry? From the Great Famine of Ireland to the Simpsons, we present the many evolutions of Halloween.Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)