December 11, 1978 - Éric Borel

On 23 September 1995, 16-year-old Éric Borel murdered three members of his family in Solliès-Pont in the arrondissement of Toulon, France. The following day, he shot dead twelve other people and injured four more in the village of Cuers the next day.

Content sourced from en.wikipedia.org/wiki/Cuers massacre under CC BY-SA 4.0.