Halloween is an important celebration held in the United States on October 31st. Typical Halloween activities in the US include children dressing up in costumes and going door-to-door overnight asking for candy. Common symbols of Halloween include pumpkins, skeletons, vampires, zombies, ghosts, and witches. The origins of Halloween can be traced to Galicia, Spain where it was called Sama鱈n, though the holiday is less emphasized in Spain compared to the United States where decorating houses with jack-o'-lanterns and candles is a common practice.