The document summarizes the traditions of D鱈a de los Muertos and Halloween. It explains that D鱈a de los Muertos originated 500 years ago as a ritual among native people in Mexico to mock death, which was later influenced by Spanish conquistadors and turned into the multi-day holiday honoring the dead from October 31st to November 2nd. It also explains the Celtic origins of Halloween as a festival to ward off ghosts on October 31st at midnight, which later merged with Christian traditions to become the secular holiday celebrated today with costumes, candy, and imagery related to death.