All Hallows’ Eve: How the Church Shaped Modern Halloween

Explore how All Hallows’ Eve, originally a Christian vigil before All Saints’ Day, evolved into today’s Halloween. We trace its origins from medieval church rituals to the layered customs of Celtic harvest rites and see how regional variations kept ancient beliefs alive. Key figures like St. Odilo of Cluny and local parish practices illustrate the calendar’s flexible influence on modern celebrations.

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