Halloween, also known as All Hallows' Eve, has its origins in the ancient Celtic festival of Samhain and the Christian feast of All Hallows' Day. Samhain was celebrated at the end of the harvest season, when the veil between the living and the dead was believed to be thin. The Celts would light bonfires, dress up in costumes, and perform rituals to ward off evil spirits and ghosts. When Christianity spread to these areas, the Church replaced the pagan rituals with Christian ones, introducing the feast of All Hallows' Eve as a way to celebrate the...