Halloween (short for ” All Hallows’ Evening “) is a festival traditionally celebrated on October 31 every year, the evening before All Saints Day in Western Christianity . This day started Triduum Saints ( Allhallowtide Halloween (short for ” All Hallows’ Evening “) is a festival traditionally celebrated on October 31 every year, the evening before All Saints Day in Western Christianity . This day started Triduum Saints ( Allhallowtide ) [1] – period in the liturgical year dedicated to the memory of the dead, including your church , and your martyrs and all the faithful perseverance has died . [2] [3] The traditional focus of Halloween revolves around the theme of using “humor and ridicule to confront the powers of death”. [4]