Halloween originated from the ancient Celtic festival of Samhain, celebrated over 2,000 years ago. On October 31st, the Celts believed the ghosts of the dead returned to earth and wore costumes made of animal skins and heads to tell each other's fortunes. They carved turnips and placed candles inside to ward off evil spirits, which is the origin of jack-o-lanterns. Today, we celebrate Halloween by wearing costumes, decorating houses, watching scary movies, and going trick-or-treating, carrying on medieval traditions of mumming and souling. The superstition of Friday the 13th being unlucky is thought to have originated from the date in 1307 that King Philip IV of