Halloween(orHallowe'en)isanannualholidayobservedonOctober31.IthasrootsintheCelticfestivalofSamhainandtheChristianholidayAllSaints'Day,butistodaylargelyasecularcelebration.
CommonHalloweenactivitiesincludetrick-or-treating,wearingcostumesandattendingcostumeparties,carvingjack-o'-lanterns,ghosttours,bonfires,applebobbing,visitinghauntedattractions,committingpranks,tellingghoststoriesorotherfrighteningtales,andwatchinghorrorfilms.