Columbine High School massacre
1999
school shooting at Columbine High School in Columbine, Colorado, United States on April 20, 1999
Advertisement
Event facts
- Summary
- school shooting at Columbine High School in Columbine, Colorado, United States on April 20, 1999
- Date
- 1999-04-20T00:00:00Z
- Location
- Columbine High School
- Year
- 1999
Source: Wikidata · about our sources
More from the 90s Index
Keep browsing the decade — every entry is 1990–1999.