Halloween is a secular holiday combining vestiges of traditional harvest festival celebrations with customs more specific to the occasion such as costume wearing, trick-or-treating, pranksterism, and decorations based on imagery of death and the supernatural. The observance takes place on October 31.
Though it was regarded up until the last few decades of the 20th century as primarily a children's holiday, in more recent years common Halloween activities such as mask wearing, costume parties, themed decorations, and even trick-or-treating have grown quite popular with adults as well, making Halloween an all-ages celebration
