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Soviet submarine K-21

1939 K-class submarine
Thing cruiser_submarine Q4206096
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Summary

Soviet submarine K-21 is a cruiser submarine[1]. It draws 708 Wikipedia views per month (cruiser submarine category, ranking #1 of 5).[2]

Key Facts

  • Operator: Soviet Navy[3]
  • Vessel class: K-class submarine[4]
  • Part of: Russian Northern Fleet[5]
  • Commons category: K-21 (submarine, 1940)[6]
  • Country of origin: Soviet Union[7]
  • Participated in conflict: World War II[8]
  • Significant event: ship launching[9], keel laying[10]
  • Name: K-21[11]

Why It Matters

Soviet submarine K-21 has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[12] It is known by 9 alternative names across languages and contexts.[13]

References

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

Direct Wikidata claims

  1. [3] ↑ . The naval war in the Atlantic (1939-1945). wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . The naval war in the Atlantic (1939-1945). wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . 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). Soviet submarine K-21. Retrieved October 21, 2026, from https://4ort.xyz/entity/soviet-submarine-k-21
MLA “Soviet submarine K-21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 21 Oct. 2026, https://4ort.xyz/entity/soviet-submarine-k-21.
BibTeX @misc{4ortxyz_soviet-submarine-k-21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Soviet submarine K-21}}, year = {2026}, url = {https://4ort.xyz/entity/soviet-submarine-k-21}, note = {Accessed: 2026-10-21}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Soviet submarine K-21 — https://4ort.xyz/entity/soviet-submarine-k-21 (retrieved 2026-10-21)

Canonical URL: https://4ort.xyz/entity/soviet-submarine-k-21 · 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. 1d ago · Vicarage · 2026-10-21 view diff on Wikidata ↗
    Wikipedia languages → ['commons', 'cs', 'en', 'fa', 'fr', 'hy', 'ru', 'uk']
    Official name → —
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ Official name: K-21"
  2. 6w ago · Vicarage · 2026-09-05 view diff on Wikidata ↗
    Part of → —
    Participated in conflict → World War II
    Instance of → cruiser submarine
    Significant event → ship launching, keel laying
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Name: K-21, #quickstatements; #temporary_batch_1788604290934; submarine K-21"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.