Concordia University massacre
1992 CE.
Shown on the map at 45.497°, -73.579°.
The Concordia University massacre was a school shooting on August 24, 1992, in which Valery I. Fabrikant, an associate professor of mechanical engineering, killed four colleagues and wounded a staff member at Concordia University in Montreal, Quebec, Canada. He was convicted of murder and sentenced to life in prison.
Text from the Wikipedia article Concordia University massacre, licensed CC BY-SA 4.0.