33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
10117750
971205
1
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Criar
Close
Create a timeline
Public timelines
Library
FAQ
20 abr 1999 ano - Colombine, 15 people dead, first mass school shooting
Adicionado na linha do tempo:
NHD Timeline
By
Shaaswatan Raghu Prakash
3 meses atrás
0
0
46
Data:
20 abr 1999 ano
Agora
~ 26 years ago
About & Feedback
Acordo
Privacidade
Biblioteca
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
