<Li> For terrorism, see Terrorism in Canada . </Li> <Li> For serial killers, see List of serial killers in Canada . </Li> <Table> <Tr> <Th> Name </Th> <Th> Date </Th> <Th> Location </Th> <Th> Deaths </Th> <Th> Notes </Th> </Tr> <Tr> <Td> Lachine massacre </Td> <Td> August 5, 1689 </Td> <Td> Lachine, Quebec </Td> <Td> 72 </Td> <Td> part of King William's War </Td> </Tr> <Tr> <Td> Port - la - Joye Massacre </Td> <Td> July 11, 1746 </Td> <Td> Port - la - Joye, Ile St. Jean (Hillsborough River (Prince Edward Island)) </Td> <Td> 34 </Td> <Td> part of King George's War </Td> </Tr> <Tr> <Td> Grand Pre Massacre </Td> <Td> February 10, 1747 </Td> <Td> Grand Pre, Nova Scotia </Td> <Td> 67 </Td> <Td> part of King George's War </Td> </Tr> <Tr> <Td> Dartmouth Massacre </Td> <Td> May 13, 1751 </Td> <Td> Dartmouth, Nova Scotia </Td> <Td> 20 </Td> <Td> part of Father Le Loutre's War </Td> </Tr> <Tr> <Td> Bloody Falls Massacre </Td> <Td> July 17, 1771 </Td> <Td> The location now known as Kugluk / Bloody Falls Territorial Park near Kugluktuk, Nunavut </Td> <Td> 20 </Td> <Td> </Td> </Tr> <Tr> <Td> Chilcotin War </Td> <Td> April 30, 1864 </Td> <Td> Bute Inlet, British Columbia </Td> <Td> 19 </Td> <Td> </Td> </Tr> <Tr> <Td> Cypress Hills massacre </Td> <Td> June 1, 1873 </Td> <Td> Cypress Hills, Saskatchewan </Td> <Td> 23 </Td> <Td> </Td> </Tr> <Tr> <Td> Black Donnellys massacre </Td> <Td> February 4, 1880 </Td> <Td> Lucan Biddulph, Ontario </Td> <Td> 5 </Td> <Td> </Td> </Tr> <Tr> <Td> Frog Lake Massacre </Td> <Td> April 2, 1885 </Td> <Td> Frog Lake, Alberta </Td> <Td> 9 </Td> <Td> part of the North - West Rebellion </Td> </Tr> <Tr> <Td> Shell Lake murders </Td> <Td> August 15, 1967 </Td> <Td> Shell Lake, Saskatchewan </Td> <Td> 9 </Td> <Td> </Td> </Tr> <Tr> <Td> Buffalo Narrows axe slayings </Td> <Td> 30 January 1969 </Td> <Td> Buffalo Narrows, Saskatchewan </Td> <Td> 7 </Td> <Td> </Td> </Tr> <Tr> <Td> Dale Nelson murders </Td> <Td> September 4, 1970 </Td> <Td> Creston, British Columbia </Td> <Td> 8 </Td> <Td> participated in cannibalism, necrophilia, and pedophilia </Td> </Tr> <Tr> <Td> William Lepine (AKA William McConnell) murders </Td> <Td> August 28, 1972 </Td> <Td> Kettle Valley, British Columbia </Td> <Td> 6 </Td> <Td> After absconding from a secure psychiatric hospital, killed 6 people and injured 3 others using a . 22 - caliber rifle and a . 30 - caliber rifle . Attacks occurred at four difference locations in the Kettle Valley on a single day . Located and apprehended by police the next day . At trial, was found Not Guilty by Reason of Insanity on six counts of murder . Psychiatric evidence indicated that he suffered from schizophrenia with nihilistic delusions and believed he was chosen to save the world from a nuclear holocaust by killing the victims . </Td> </Tr> <Tr> <Td> Blue Bird Café Fire </Td> <Td> Sep 1, 1972 </Td> <Td> Montreal, Quebec </Td> <Td> 37 </Td> <Td> 37 people murdered using arson . Fire intentionally started by Gilles Eccles, James O'Brien, Jean - Marc Boutin, using either gasoline or a Molotov Cocktail, after being refused entry to the café for being too drunk . </Td> </Tr> <Tr> <Td> Brampton Centennial Secondary School shooting </Td> <Td> May 28, 1975 </Td> <Td> Brampton, Ontario </Td> <Td> </Td> <Td> School Shooting </Td> </Tr> <Tr> <Td> St. Pius X High School shooting </Td> <Td> October 27, 1975 </Td> <Td> Ottawa, Ontario </Td> <Td> </Td> <Td> School Shooting, 5 injured, 1 killed prior to school incident </Td> </Tr> <Tr> <Td> Wells Gray Provincial Park Family Murders </Td> <Td> August 2, 1982 </Td> <Td> Wells Gray Provincial Park, British Columbia </Td> <Td> 6 </Td> <Td> Three generations of a family were murdered by David Shearing 18 km (11.2 mi) North of Clearwater, British Columbia </Td> </Tr> <Tr> <Td> National Assembly shootings </Td> <Td> May 8, 1984 </Td> <Td> Quebec City, Quebec </Td> <Td> </Td> <Td> 3 killed and 13 wounded in an attack on the Quebec National Assembly . </Td> </Tr> <Tr> <Td> Lennoxville massacre </Td> <Td> March 24, 1985 </Td> <Td> Lennoxville, Quebec </Td> <Td> 5 </Td> <Td> part of the Quebec Biker war </Td> </Tr> <Tr> <Td> École Polytechnique massacre </Td> <Td> December 6, 1989 </Td> <Td> Montreal, Quebec </Td> <Td> 15 </Td> <Td> Perpetrator killed 14 people and injured 14, before taking his own life . School Shooting . </Td> </Tr> <Tr> <Td> Ontario Glove Factory murders </Td> <Td> February 3, 1992 </Td> <Td> Waterloo, Ontario </Td> <Td> </Td> <Td> Patrick Dombroskie shot and killed boss and co-workers . </Td> </Tr> <Tr> <Td> Sydney River McDonald's murders </Td> <Td> May 7, 1992 </Td> <Td> Sydney, Nova Scotia </Td> <Td> </Td> <Td> 1 disabled </Td> </Tr> <Tr> <Td> Concordia University massacre </Td> <Td> August 24, 1992 </Td> <Td> Montreal, Quebec </Td> <Td> </Td> <Td> School Shooting, 4 killed, 1 injured </Td> </Tr> <Tr> <Td> Giant Mine bombing </Td> <Td> September 18, 1992 </Td> <Td> Yellowknife, Northwest Territories </Td> <Td> 9 </Td> <Td> 48 - year - old striking gold miner set explosives inside the mine, which killed nine strikebreaking workers . </Td> </Tr> <Tr> <Td> Mark Chahal massacre </Td> <Td> April 6, 1996 </Td> <Td> Vernon, B.C. </Td> <Td> 9 </Td> <Td> Estranged husband murdered wedding party . </Td> </Tr> <Tr> <Td> OC Transpo massacre </Td> <Td> April 6, 1999 </Td> <Td> Ottawa, Ontario </Td> <Td> 5 </Td> <Td> A former OC Transpo employee shot six people, killing four, in a shooting spree at OC Transpo's St. Laurent Boulevard garage, before killing himself . An inquest into the shooting revealed that the shooter had been the subject of bullying . </Td> </Tr> <Tr> <Td> W.R. Myers High School </Td> <Td> April 28, 1999 </Td> <Td> Taber, Alberta </Td> <Td> </Td> <Td> School Shooting. 1 other injured . </Td> </Tr> <Tr> <Td> Cruse family murders </Td> <Td> 14 June 2002 </Td> <Td> Grimsby, Ontario </Td> <Td> 5 </Td> <Td> Ex-boyfriend travelled from U.S. with handgun and killed ex-girlfriend, her parents, her 6 - year - old child, and himself . </Td> </Tr> <Tr> <Td> Penticton Reserve Shooting </Td> <Td> Oct 30, 2004 </Td> <Td> Penticton Indian Reservation </Td> <Td> </Td> <Td> After drinking 35 beers and snorting cocaine, Dustin Paul shot five friends and relatives while they were all partying at a campsite, killing three of them before slitting his own throat . Claiming in court that he heard a voice telling him to do it, Paul lived to be convicted of three counts of second - degree murder and two counts of attempted murder, and was sentenced to life in prison with the possibility of parole after 16 years . </Td> </Tr> <Tr> <Td> Mayerthorpe tragedy </Td> <Td> March 3, 2005 </Td> <Td> near Mayerthorpe, Alberta </Td> <Td> 5 </Td> <Td> James Roszko shot and killed 4 RCMP officers during a property seizure of his farm, he later turned the gun on himself . </Td> </Tr> <Tr> <Td> Shedden massacre </Td> <Td> April 8, 2006 </Td> <Td> Shedden, Ontario </Td> <Td> 8 </Td> <Td> Gang related killing of own gang members . </Td> </Tr> <Tr> <Td> Richardson family murders </Td> <Td> April 22, 2006 </Td> <Td> Medicine Hat, Alberta </Td> <Td> </Td> <Td> 12 - year - old girl and her 23 - year - old boyfriend killed girl's parents and 8 - year - old brother . </Td> </Tr> <Tr> <Td> Dawson College shooting </Td> <Td> September 13, 2006 </Td> <Td> Montreal, Quebec </Td> <Td> </Td> <Td> School Shooting . </Td> </Tr> <Tr> <Td> C.W. Jeffreys Collegiate Institute </Td> <Td> May, 23, 2007 </Td> <Td> Toronto, Ontario </Td> <Td> </Td> <Td> School Shooting . </Td> </Tr> <Tr> <Td> Claresholm highway massacre </Td> <Td> December 15, 2011 </Td> <Td> Claresholm, Alberta </Td> <Td> </Td> <Td> 21 - year - old man shot and killed his ex-girlfriend and two young men who were passengers in the same vehicle . The man also shot the female driver, before taking his own life . </Td> </Tr> <Tr> <Td> Scarborough Block Party </Td> <Td> July 16, 2012 </Td> <Td> Scarborough, Toronto, Ontario </Td> <Td> </Td> <Td> Shooting at a block party that left 2 dead and at least 19 injured . </Td> </Tr> <Tr> <Td> Les Racines de vie Montessori </Td> <Td> April 5, 2013 </Td> <Td> Gatineau, Quebec </Td> <Td> </Td> <Td> School Shooting . Daycare worker killed, shooter committed suicide . </Td> </Tr> <Tr> <Td> 2014 Calgary stabbing </Td> <Td> April 14, 2014 </Td> <Td> Calgary, Alberta </Td> <Td> 5 </Td> <Td> 22 - year old Matthew de Grood fatally stabbed five people at a party . He was subsequently found Not Criminally Responsible on Account of Mental Disorder on 5 counts of First Degree Murder . </Td> </Tr> <Tr> <Td> 2014 Moncton shootings </Td> <Td> June 4, 2014 </Td> <Td> Moncton, New Brunswick </Td> <Td> </Td> <Td> 24 - year - old from Moncton, shot five armed officers from the Royal Canadian Mounted Police (RCMP), killing three and severely injuring two . </Td> </Tr> <Tr> <Td> 2014 Phu Lam </Td> <Td> December 29, 2014 </Td> <Td> Edmonton, Alberta </Td> <Td> 8 </Td> <Td> 53 - year - old Phu Lam shot and killed 7 in one Edmonton residence, then went to a home in south Edmonton where he killed Cyndi Duong because he found he was raising child that was not his biologically own . Phu Lam was found the next day after committing suicide in Fort Saskatchewan . </Td> </Tr> <Tr> <Td> La Loche shootings </Td> <Td> January 22, 2016 </Td> <Td> La Loche, Saskatchewan </Td> <Td> </Td> <Td> An unidentified 17 - year - old student allegedly shot and killed two of his cousins at their home, then went to La Loche Community School and continued firing, killing a teacher and an assistant and wounding several others . School Shooting . </Td> </Tr> <Tr> <Td> Scarborough crossbow attack </Td> <Td> 25 August 2016 </Td> <Td> Scarborough, Toronto, Ontario </Td> <Td> </Td> <Td> 35 - year - old Brett Ryan killed 3 people and wounded 2 others with a crossbow before being apprehended by police . </Td> </Tr> <Tr> <Td> Quebec City mosque shooting </Td> <Td> January 29, 2017 </Td> <Td> Quebec City, Quebec </Td> <Td> 6 </Td> <Td> <P> Single gunman killed 6 people and wounded 18 others . </P> </Td> </Tr> </Table> <Tr> <Th> Name </Th> <Th> Date </Th> <Th> Location </Th> <Th> Deaths </Th> <Th> Notes </Th> </Tr>

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