Soviet submarine K-21

1939 K-class submarine
Thing cruiser_submarine Q4206096
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Soviet submarine K-21

Summary

Soviet submarine K-21 is a cruiser submarine[1]. It draws 43 Wikipedia views per month (cruiser_submarine category, ranking #1 of 5).[2]

Key Facts

  • Soviet submarine K-21's image is recorded as Подводная лодка К-21.jpg[3].
  • Soviet submarine K-21's instance of is recorded as cruiser submarine[4].
  • Soviet submarine K-21's operator is recorded as Soviet Navy[5].
  • Soviet submarine K-21's vessel class is recorded as K-class submarine[6].
  • Soviet submarine K-21's part of is recorded as Russian Northern Fleet[7].
  • Soviet submarine K-21's Commons category is recorded as K-21 (submarine, 1940)[8].
  • Soviet submarine K-21's country of origin is recorded as Soviet Union[9].
  • Soviet submarine K-21's participated in conflict is recorded as World War II[10].
  • Soviet submarine K-21's coordinate location is recorded as {'lat': 69.08064, 'lon': 33.43246}[11].
  • Soviet submarine K-21's Freebase ID is recorded as /m/0_fs1fx[12].
  • Soviet submarine K-21's significant event is recorded as ship launching[13].
  • Soviet submarine K-21's significant event is recorded as keel laying[14].
  • Soviet submarine K-21's official name is recorded as {'lang': 'mul', 'text': 'K-21'}[15].

Why It Matters

Soviet submarine K-21 draws 43 Wikipedia views per month (cruiser_submarine category, ranking #1 of 5).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[16]

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] . The naval war in the Atlantic (1939-1945). wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . The naval war in the Atlantic (1939-1945). wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . Wikidata sitelinks. 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 May 3, 2026, from https://4ort.xyz/entity/soviet-submarine-k-21
MLA “Soviet submarine K-21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 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: 2026-05-03}}
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 2026-05-03)

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