33
/es/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
1185464
93562
2
Create a timeline
Public Timelines
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
FAQ
Create a timeline
Public timelines
FAQ
About & FeedbackAcuerdoPrivacidadFAQ
Support 24/7  
CabinetGet premium
Donate

20 abr 1999 año - Columbine High School Shooting

Descripción:

school shooting that killed 12 students, was first act of school violence that drew national attention

Añadido al timeline:

1970s-1980s timeline

ByCassie Bradley
22 may 2018
0
0
601

fecha:

20 abr 1999 año
Ahora mismo
~ 26 years ago
About & FeedbackAcuerdoPrivacidadFAQ
Support 24/7  
CabinetGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL