20 abr 1999 ano - Columbine shooting

Descrição:

The first instance of mass violence and gun violence taking place in schools. Thirteen students were killed with twenty-four wounded at the hands of two teenage boys who had planned the attack for months, and at the end of their rampage took their own lives. A dangerous trend follows this tragedy that bleeds into the 21st century with over 180 active shooter situations in 19 years alone.

Adicionado na linha do tempo:

Data: