Mischief Night is called 'Gate Night ' in New Hampshire .
Over 130 arsons were committed in that city on the night of October 30 , 1991.Firehouse.com News : Fire and Police Departments Extinguish Pre-Halloween Arson Sprees Retrieved on 30 October 2008It is known as `` Gate Night '' in Trail , British Columbia , Winnipeg , Manitoba , Thunder Bay , Ontario , Pearl River , NY , Suffern , NY , Nanuet , NY , Stony Point , NY , New City , NY , Valley Cottage NY , North Dakota and South Dakota ( USA ) and as `` Mat Night '' in Quebec , Canada , always on 30 October , the eve of Halloween .
Mischief Night