"Examples of Mass Shootings in the United States Involving Glock Pistols Mass Shooting Incident Virginia Tech Blacksburg, Virginia April 16, 2007 Shooter: Seung‐Hui Cho Casualties 33 dead (including shooter), 17 wounded Firearm(s) Glock 19 pistol Walther P22 pistol"
January 1, 1970
https://en.wikiquote.org/wiki/Virginia_Tech_shooting