Columbine High School shooting: References & Edit History
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Article Contributors
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Tracy Grant
Tracy Grant is a senior editor at Encyclopaedia Britannica. She previously served as editor in chief, the first woman to hold that title.
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Modified link of Web site: ABC News - 20 years after Columbine, what's changed -- and what hasn't -- for school shootings in America. | Jul 20, 2026 | ||
| Add new Web site: History Today - Columbine 25 Years On. | May 28, 2026 | ||
| Anniversary information added. | Apr 13, 2026 | ||
| Article thoroughly revised. | Apr 09, 2026 | ||
| Add new Web site: ABC News - 20 years after Columbine, what's changed -- and what hasn't -- for school shootings in America. | Jan 16, 2026 | ||
| Add new Web site: BBC - Witness History -The Columbine massacre. | Dec 01, 2025 | ||
| Clarified death toll in Top Questions. | Jun 11, 2025 | ||
| Questions and answers added. | Mar 17, 2025 | ||
| Updated for the death of Anne Marie Hochhalter. | Mar 14, 2025 | ||
| Add new Web site: FBI - Echoes of Columbine. | Feb 14, 2025 | ||
| Add new Web site: American Association for the Advancement of Science - Science Advances - Effecting change in the aftermath of school shootings. | Dec 09, 2024 | ||
| Add new Web site: Digital Commons at University of South Florida - Media and Mass Shootings: Field Theory in CNN News Coverage of The Columbine High School and Parkland High School Mass Shootings. | Oct 21, 2024 | ||
| Add new Web site: ABC News - US school shooting: Legacy of Columbine High School massacre 19 years later. | Jun 17, 2024 | ||
| Add new Web site: University of Colorado Denver - College of Arts and Sciences - A Brief History of Columbine and its Effect. | Dec 03, 2023 | ||
| Infogram added. | Feb 16, 2023 | ||
| Updated with link to mass shootings graphic. | Jan 23, 2023 | ||
| Add new Web site: HCC Learning Web - The social ecology of the Columbine High School shootings. | Jan 02, 2023 | ||
| Add new Web site: Columbia University - The Columbine Shooting: Live Television Coverage. | Aug 23, 2022 | ||
| Corrected display issue. | Feb 27, 2019 | ||
| Add new Web site: Colorado Encyclopedia - Columbine Massacre. | Nov 27, 2018 | ||
| Add new Web site: CNN - Since Columbine in 1999, Colorado continues to be scarred by gun violence. | Aug 23, 2018 | ||
| Add new Web site: ThoughtCo. - The Columbine Massacre. | Jun 20, 2018 | ||
| Added a quote from the official Jefferson County Sheriff's Office account of the events at Columbine High School. | Jul 10, 2015 | ||
| Media added. | Mar 05, 2012 | ||
| Claim that Columbine was the "deadliest school shooting in the United States until April 2007" removed. | Mar 05, 2012 | ||
| Add new Web site: Buzzle.com - Columbine High School shootings. | Aug 31, 2011 | ||
| Added photograph. | Oct 15, 2009 | ||
| Deleted sentence about Trench Coat Mafia. | Apr 20, 2009 | ||
| New article added. | Apr 17, 2009 |
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