The event where participants often carve pumpkins into jack-o'-lanterns is known as Halloween. Celebrated annually on October 31st, this tradition involves hollowing out pumpkins, carving them into artistic designs, and placing candles inside to illuminate them. This practice stems from ancient customs and has evolved into a festive activity enjoyed by families and communities. Halloween also features various other customs such as dressing in costumes, trick-or-treating, and haunted house attractions, emphasizing creativity and community engagement.