EntityQ473834· pop 26· linked from 305 articlesÉcole Polytechnique massacreSign in to save1989 mass shooting in Montréal, CanadaConnectionsMontrealEntitymisogynyEntityantifeminismEntityPolytechnic School of MontrealEntityAlgeriaCountryFrenchEntityYouTubeConceptOttawaEntityVancouverEntityInternational Standard Book NumberEntityJustin TrudeauPersonWayback MachineEntityStephen HarperEntitydigital object identifierEntityInternational Standard Serial NumberEntityThe Washington PostEntitypsychosisEntityLondonEntitydomestic violenceEntity1976 Summer OlympicsEntityCategories1980s murders in Canada1989 crimes in Canada1989 in Montreal1989 mass shootings in North America1989 murders in North America20th-century mass murders in CanadaAntifeminismAttacks on schools in the 1980sCrimes adapted into filmsDeaths by firearm in MontrealDecember 1989 in CanadaÉcole Polytechnique massacre