July 4, 1933 - John Felton Parish

On August 9, 1982, a mass shooting and vehicle-ramming attack took place in Grand Prairie, Texas, United States. The perpetrator, 49-year-old John Parish, carried out a shooting around two warehouses he worked for before fleeing the scene in a stolen semi-trailer truck.

It was the worst shooting rampage in Dallas–Fort Worth history at that time.

Content sourced from en.wikipedia.org/wiki/1982 Grand Prairie warehouse shootings under CC BY-SA 4.0.