University of Iowa shooting
1991 CE.
Shown on the map at 41.662°, -91.536°.
The University of Iowa shooting was a mass shooting that occurred in Iowa City, Iowa, on November 1, 1991. Gang Lu, a 28-year-old former graduate student at the University of Iowa, killed three members of the Physics and Astronomy Department faculty, an Associate Vice President for Academic Affairs, and a fellow student, then seriously injured another student working at the university's campus, before committing suicide. It is the deadliest school shooting in Iowa history.
Text from the Wikipedia article 1991 University of Iowa shooting, licensed CC BY-SA 4.0.