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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

Date:

apr 17, 1999
Now
~ 25 years ago
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