41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
2832219
243462
2
Create a timeline
Public Timelines
For companies For educational institutions For teachers For students Dashboard
For educational institutions For teachers For students Dashboard
FAQ
Create a timeline
Public timelines
FAQ
About & FeedbackTermsPrivacyFAQ
Support 24/7  
DashboardGet premium
Donate

apr 17, 1999 - Columbine Prom Night

Description:

Posters around the school announced the prom: "It's coming! 4/17/99" On several posters the number '17' had been crossed out and replaced with a '20'.

Added to timeline:

Columbine High School Shooting Timeline

ByMark
17 Mar 2019
1
0
3239

Date:

apr 17, 1999
Now
~ 27 years ago
About & FeedbackTermsPrivacyFAQ
Support 24/7  
DashboardGet premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL