Katyn massacre

Soviet mass murder of ca. 22,000 Poles in several parts of European Russia, including in the Katyn forest, which became a pars pro toto name for the whole massacre
Event massacre Q134301
Press Enter · cited answer in seconds

Summary

Katyn massacre is a massacre[1]. It ranks in the top 0.88% of massacre entities by monthly Wikipedia readership (23,023 views/month, #7 of 795).[2]

Key Facts

  • Country: Soviet Union[3]
  • Instance of: mass murder[4], mass killings under communist regimes[5], war crime[6]
  • Location: Katyn[7], Tver[8], Kharkiv[9]
  • Part of: Soviet invasion of Poland[10], Soviet repressions of Polish citizens[11]
  • Commons category: Katyn Massacre[12]
  • Target: Polish Land Forces[13], Polish Border Guard[14], Poles[15], Policja[16]
  • Start time: April 1940[17]
  • End time: May 1940[18]
  • Point in time: 1940[19]
  • Topic's main category: Category:Katyn massacre[20]
  • Number of injured: 0[21]
  • Different from: Katyń[22], Khatyn massacre[23]
  • Time period: World War II[24]
  • Number of perpetrators: 50[25]
  • On focus list of Wikimedia project: WikiProject Human rights[26]
  • Perpetrator: NKVD[27]
  • Victim(s): Leon Billewicz[28], Bronisław Bohatyrewicz[29], Xawery Czernicki[30], Stanisław Haller de Hallenburg[31], Aleksander Kowalewski[32], Henryk Minkiewicz[33], Kazimierz Łukoski[34], Konstanty Plisowski[35], Rudolf Prich[36], Franciszek Sikorski[37], Leonard Skierski[38], Piotr Skuratowicz[39], Mieczysław Makary Smorawiński[40], Alojzy Wir-Konas[41]

Why It Matters

Katyn massacre has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[42] It is known by 97 alternative names across languages and contexts.[43]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . 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] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . wikidata.org.
  26. [28] ↑ . wikidata.org.
  27. [29] ↑ . wikidata.org.
  28. [30] ↑ . wikidata.org.
  29. [31] ↑ . wikidata.org.
  30. [32] ↑ . wikidata.org.
  31. [33] ↑ . wikidata.org.
  32. [34] ↑ . wikidata.org.
  33. [35] ↑ . wikidata.org.
  34. [36] ↑ . wikidata.org.
  35. [37] ↑ . wikidata.org.
  36. [38] ↑ . wikidata.org.
  37. [39] ↑ . wikidata.org.
  38. [40] ↑ . wikidata.org.
  39. [41] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [42] ↑ . Wikidata sitelinks. wikidata.org.
  3. [43] ↑ . 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). Katyn massacre. Retrieved October 11, 2026, from https://4ort.xyz/entity/katyn-massacre
MLA “Katyn massacre.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/katyn-massacre.
BibTeX @misc{4ortxyz_katyn-massacre_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Katyn massacre}}, year = {2026}, url = {https://4ort.xyz/entity/katyn-massacre}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Katyn massacre — https://4ort.xyz/entity/katyn-massacre (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/katyn-massacre · Last refreshed:

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. 9w ago · Bouzinac · 2026-08-08 view diff on Wikidata ↗
    Related category → ['Q6420302', 'Q110545946']
    Has part(s) → Q139163553
    "/* wbcreateclaim-create:1| */ Has part(s): Q139163553, using [[User:Frettie/consistency check add.js]]"
  2. 11w ago · Clemens Dulcis · 2026-07-25 view diff on Wikidata ↗
    Related category → ['Q6420302', 'Q110545946']
    Harper's tag → katyn-massacre-katyn-russia-1940
    Svkkl authority id → h0009985-katynsky-masakr-1940
    "/* wbsetclaim-create:2||1 */ Related category: Category:Katyn massacre victims"
  3. 20w ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Number of perpetrators → {'amount': '+50'}
    Start time → —
    Victim(s) → Leon Billewicz, Bronisław Bohatyrewicz, Xawery Czernicki +13
    Instance of → massacre, mass murder, mass killings under communist regimes +1
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ National library of israel j9u id: 987007541182505171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.