Halloween is a yearly celebration observed on October 31st which combines traditions from festivals of the dead such as the Celtic Samhain (Summer’s End) with medieval Catholic observances on the eve of All Saints Day.

According to popular folklore, November 1st was designated All Saints Day

In modern times, Halloween customs have expanded to include costume wearing, telling ghost stories, the playing of pranks, the decorating homes using supernatural and seasonal themes, and – of course – trick or treating.Trick-or-treating is a Halloween tradition in which children go in costume from house to house, asking for treats such as candy or sometimes money, with the question, "Trick or treat?"