U-81

1941 Type VIIC submarine
Vehicle u_boat Q700945
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U-81

Summary

U-81 is an U-boat[1]. U-81 ranks in the top 4% of u_boat entities by monthly Wikipedia readership (30 views/month).[2]

Key Facts

  • U-81 is in the country of Nazi Germany[3].
  • U-81's image is recorded as VIIC vector.svg[4].
  • U-81's instance of is recorded as U-boat[5].
  • U-81's manufacturer is recorded as Bremer Vulkan[6].
  • U-81's vessel class is recorded as Type VIIC submarine[7].
  • U-81's participated in conflict is recorded as Mediterranean U-boat Campaign[8].
  • U-81's yard number is recorded as 9[9].
  • U-81's coordinate location is recorded as {'lat': 44.8647, 'lon': 13.8303}[10].
  • U-81's Freebase ID is recorded as /m/043m2m6[11].
  • U-81's significant event is recorded as order[12].
  • U-81's significant event is recorded as keel laying[13].
  • U-81's significant event is recorded as ship launching[14].
  • U-81's significant event is recorded as ship commissioning[15].
  • U-81's significant event is recorded as sinking[16].
  • U-81's location of creation is recorded as Vegesack[17].
  • U-81's described by source is recorded as uboat.net[18].
  • U-81's different from is recorded as UC-81[19].
  • U-81's different from is recorded as SM U-81[20].
  • U-81's country of registry is recorded as Nazi Germany[21].

Why It Matters

U-81 ranks in the top 4% of u_boat entities by monthly Wikipedia readership (30 views/month).[2] U-81 has Wikipedia articles in 20 language editions, a strong signal of global cultural recognition.[22] U-81 is known by 9 alternative names across languages and contexts.[23]

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] . ubootarchiv.de. Retrieved . ubootarchiv.de. Provenance: wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . Freebase Data Dumps. wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  15. [17] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [22] . Wikidata sitelinks. wikidata.org.
  3. [23] . 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). U-81. Retrieved May 3, 2026, from https://4ort.xyz/entity/u-81
MLA “U-81.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/u-81.
BibTeX @misc{4ortxyz_u-81_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{U-81}}, year = {2026}, url = {https://4ort.xyz/entity/u-81}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): U-81 — https://4ort.xyz/entity/u-81 (retrieved 2026-05-03)

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