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apr 20, 1999 - Columbine Shooting

Description:

2 high school seniors kill 12 students and 1 teacher as well as wounding 23 others at Columbine High School. It is one of the deadliest mass shootings in modern US history

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Tonight Show Timeline

ByPaige
4 Dec 2017
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675

Date:

apr 20, 1999
Now
~ 27 years ago

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