33
/es/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
10117750
971205
1
Public Timelines
Public TimelinesFAQ
Public TimelinesFAQ
For educational institutions For teachers For students Cabinet
For educational institutions For teachers For students Open cabinet
Crear
Create a timeline
Public timelines
Library
FAQ

20 abr 1999 año - Colombine, 15 people dead, first mass school shooting

Añadido al timeline:

NHD Timeline

ByShaaswatan Raghu Prakash
hace 3 meses atrás
0
0
46

fecha:

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