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École Polytechnique massacre

1989 mass shooting in Montréal, Canada
Event school_shooting Q473834
École Polytechnique massacre
Bobanny · Public Domain · Wikimedia

Facts

11 properties
Instance of
school shooting
Country
Canada[2]
Location
Polytechnic School of Montreal[3]
Coordinate location
🗺️ 45.505°, -73.613°[6]
Armament
Ruger Mini-14[4]
Coordinates
🗺️ 45.505°, -73.613°
Depicted by
Table commémorative de la tragédie de l'École Polytechnique
Number of deaths
15.0
Number of injured
14.0
Participant
Marc Lépine, Anne-Marie Edward, Hélène Colgan, Nathalie Croteau, Barbara Daigneault, Anne-Marie Lemay, Sonia Pelletier, Annie St-Arneault, Maryse Laganière, Geneviève Bergeron, Michèle Richard, Maryse Leclair, Annie Turcotte, Barbara Klucznik-Widajewicz, Maud Haviernick[7][8][9][10][11][12][13][14][15][16][17][18][19][20][21]
Point in time
December 6, 1989[5]
🏷️ Also known as
en École Polytechnique massacre en Polytechnique shooting en Ecole Polytechnique massacre ar مذبحة مونتريال ar مذبحه مدرسه بوليتكنيك ar مذبحة مدرسة بوليتكنيك cs Montrealský masakr cs Masakr na École Polytechnique de Massaker Polytechnische Hochschule Montréal de Amoklauf an der Polytechnischen Hochschule Montréal 1989 el Σφαγή στο Πολυτεχνείο του Μόντρεαλ el Θηριωδία στο Πολυτεχνείο του Μόντρεαλ es Masacre de Montreal es Masacre de la Escuela Politécnica de Montreal es Masacre de la Escuela Politecnica de Montreal es Masacre del Politecnico Ecole es Masacre del Politecnico École es Masacre del Politécnico Ecole es Masacre del Politécnico École fa کشتار پلی‌تکنیک مونترآل
🔖 Identifiers · 5
Library of Congress authority ID
sh2017003022
Canadian Encyclopedia article ID
polytechnique-tragedy
Freebase ID
/m/0fznz
National Library of Israel J9U ID
987007403938905171
Québec cultural heritage directory people ID
29015

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Armament 1
Ruger Mini-14
Country 1
Canada
Instance of 1
school shooting
Location 1
Polytechnic School of Montreal
Named after 1
Polytechnique
Participant 1
Marc Lépine
← Based on 1
Polytechnique
← Participant in 1
Marc Lépine
← Significant event 1
Marc Lépine
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Summary

École Polytechnique massacre is a school shooting[1].

Body

Works and Contributions

Things named for École Polytechnique massacre include Polytechnique[22], a film[23], directed by Denis Villeneuve[24].

Why It Matters

Entities named for it include Polytechnique[22], a film[23], directed by Denis Villeneuve[24].

Related Entities

Canada

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [22] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [23] ↑ . Wikidata. wikidata.org. → on this site
  2. [24] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). École Polytechnique massacre. Retrieved November 2, 2026, from https://4ort.xyz/entity/cole-polytechnique-massacre
MLA “École Polytechnique massacre.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/cole-polytechnique-massacre.
BibTeX @misc{4ortxyz_cole-polytechnique-massacre_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{École Polytechnique massacre}}, year = {2026}, url = {https://4ort.xyz/entity/cole-polytechnique-massacre}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): École Polytechnique massacre — https://4ort.xyz/entity/cole-polytechnique-massacre (retrieved 2026-11-02)

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