Mischief Night is called 'Gate Night ' in Vancouver Island .
It is known as `` Gate Night '' in New Hampshire , West Kootenay , British Columbia , Tahsis , British Columbia , Winnipeg , Manitoba , Thunder Bay , ( Ontario ) , Bay City , Michigan , Rockland County , New York , North Dakota and South Dakota , as `` Mat Night '' in Quebec , Canada , and as `` Devil 's Night '' in many places throughout Canada , Michigan , and western Pennsylvania.
Mischief Night