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Columbine High School massacre

school shooting at Columbine High School in Columbine, Colorado, United States on April 20, 1999
Event school_shooting Q473845
Columbine High School massacre
Columbine High School · Public Domain · Wikimedia
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Summary

Columbine High School massacre is a school shooting[1]. It ranks in the top 2% of school shooting entities by monthly Wikipedia readership (111,205 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: Colorado[3], Jefferson County[4]
  • Country: United States[5]
  • Instance of: mass shooting[6], murder–suicide[7], mass murder[8]
  • Location: Columbine High School[9], Columbine[10]
  • Commons category: Columbine High School massacre[11]
  • Located in time zone: Mountain Time Zone[12]
  • Armament: TEC-9[13], Hi-Point Carbine[14], sawn-off shotgun[15]
  • Point in time: April 20, 1999[16]
  • Topic's main category: Category:Columbine High School massacre[17]
  • Number of deaths: 16[18]
  • Number of injured: 23[19]
  • Native label: Columbine High School massacre[20]
  • Number of perpetrators: 2[21]
  • Medical evacuation to: Swedish Medical Center[22], Lutheran Medical Center heliport[23], University of Colorado Hospital[24], Denver Health Medical Center[25], AdventHealth Littleton[26]
  • Perpetrator: Eric Harris[27], Dylan Klebold[28]
  • Victim(s): William David Sanders[29], Cassie Bernall[30], Isaiah Shoels[31], Heather Martin[32], Rachel Scott[33]
  • Located in the statistical territorial entity: Columbine[34]

Why It Matters

Columbine High School massacre has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[35] It is known by 101 alternative names across languages and contexts.[36]

Related Entities

Colorado United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [5] ↑ . wikidata.org.
  2. [6] ↑ . wikidata.org.
  3. [7] ↑ . wikidata.org.
  4. [8] ↑ . wikidata.org.
  5. [3] ↑ . wikidata.org.
  6. [4] ↑ . www2.census.gov. www2.census.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . www2.census.gov. www2.census.gov. Provenance: wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . vpc.org. vpc.org. Provenance: wikidata.org.
  12. [14] ↑ . vpc.org. vpc.org. Provenance: wikidata.org.
  13. [15] ↑ . vpc.org. vpc.org. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  21. [23] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  22. [24] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  23. [25] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . vault.fbi.gov. vault.fbi.gov. Provenance: wikidata.org.
  26. [28] ↑ . vault.fbi.gov. vault.fbi.gov. Provenance: wikidata.org.
  27. [29] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  28. [30] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  29. [31] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  30. [32] ↑ . therebelsproject.org. therebelsproject.org. Provenance: wikidata.org.
  31. [33] ↑ . acolumbinesite.com. acolumbinesite.com. Provenance: wikidata.org.
  32. [34] ↑ . www2.census.gov. www2.census.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [35] ↑ . Wikidata sitelinks. wikidata.org.
  3. [36] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Columbine High School massacre. Retrieved October 20, 2026, from https://4ort.xyz/entity/columbine-high-school-massacre
MLA “Columbine High School massacre.” 4ort.xyz Knowledge Graph, 4ort.xyz, 20 Oct. 2026, https://4ort.xyz/entity/columbine-high-school-massacre.
BibTeX @misc{4ortxyz_columbine-high-school-massacre_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Columbine High School massacre}}, year = {2026}, url = {https://4ort.xyz/entity/columbine-high-school-massacre}, note = {Accessed: 2026-10-20}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Columbine High School massacre — https://4ort.xyz/entity/columbine-high-school-massacre (retrieved 2026-10-20)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 21w ago · Twofivesixbot bot · 2026-05-25 view diff on Wikidata ↗
    Local thumb → —
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007566526305171, mv to monolingual text names on J9U statements"
  2. 23w ago · RVA2869 · 2026-05-07 view diff on Wikidata ↗
    Country → United States
    Medical evacuation to → Swedish Medical Center, Lutheran Medical Center heliport, University of Colorado Hospital +2
    Point in time → —
    Located in → —
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-statements-multiple-properties-update:0||2 */ Cleanup: split multiple reference URLs ([[User:Difool/WikidataCleanup]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.