**Halloween**, celebrated on October 31, is a festival marked by costumes, trick-or-treating, and spooky decorations. Its origins date back to the ancient Celtic festival of Samhain, where people believed that the boundary between the living and the dead was blurred. Today, Halloween involves activities like haunted houses, pumpkin carving, and themed parties. It’s a time for communities to come together and embrace the fun of fright while celebrating creativity through costumes and festive traditions. For more details about its history and customs, check out [History.com](https://www.history.com/topics/holidays/halloween).