Raumanmeri school shooting
The Raumanmeri school shooting was a school shooting that occurred on 25 January 1989 at the Raumanmeri secondary school in Rauma, Finland. A 14-year-old student at the Raumanmeri secondary school fatally shot two of his classmates using a pistol that belonged to his father.
Source: Wikipedia — Raumanmeri school shooting (CC BY-SA 4.0)