Halloween is traditionally dedieated to remenbering the dead and celebrated in many countries during the evening of october 31.one of the main activities of halloween is trick-or-treating where children wear masks or dress up as witches ghosts vampires or mummies to scare people by knocking door-to-door and shouting trick-or-treat! Homeowners may display jack-o-lanterns made from carved out pumpkins and other decorations which show they are willing to hand out treats other halloween activities involve costome parties telling scary stories and watching horror films as well as lighting bonfires and apple bobbing.