Halloween is celebrated differently in the U.S., Spain, and the author's school. In the U.S., Halloween has been celebrated for a long time on October 31st, where children and some adults dress up in costumes and go door-to-door saying "trick or treat" to collect candy. In Spain, Halloween is less common and mainly celebrated by some children and adults who dress up and say "truco o trato." At the author's school, they have Halloween activities like face painting and decorating pumpkins.