U-645

1942 Type VIIC submarine
Vehicle u_boat Q12804793
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U-645

Summary

U-645 is an U-boat[1]. U-645 ranks in the top 6% of u_boat entities by monthly Wikipedia readership (3 views/month).[2]

Key Facts

  • U-645's instance of is recorded as U-boat[3].
  • U-645's operator is recorded as Kriegsmarine[4].
  • U-645's manufacturer is recorded as Blohm+Voss[5].
  • U-645's vessel class is recorded as Type VIIC submarine[6].
  • U-645's participated in conflict is recorded as Battle of the Atlantic[7].
  • U-645's yard number is recorded as 621[8].
  • U-645's coordinate location is recorded as {'lat': 45.3333, 'lon': -21.6667}[9].
  • U-645's Freebase ID is recorded as /m/011q6s_4[10].
  • U-645's significant event is recorded as order[11].
  • U-645's significant event is recorded as keel laying[12].
  • U-645's significant event is recorded as ship launching[13].
  • U-645's significant event is recorded as ship commissioning[14].
  • U-645's significant event is recorded as missing in action[15].
  • U-645's location of creation is recorded as Hamburg[16].
  • U-645's described by source is recorded as The Submarine War, 1939-1945[17].
  • U-645's described by source is recorded as uboat.net[18].
  • U-645's country of registry is recorded as Nazi Germany[19].

Why It Matters

U-645 ranks in the top 6% of u_boat entities by monthly Wikipedia readership (3 views/month).[2] U-645 has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[20]

References

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

Direct Wikidata claims

  1. [3] . The Submarine War, 1939-1945. Retrieved . uboat.net. Provenance: wikidata.org.
  2. [4] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  3. [5] . wikidata.org.
  4. [6] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  10. [12] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  11. [13] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  12. [14] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  13. [15] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  14. [16] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.
  17. [19] . uboat.net. Retrieved . uboat.net. Provenance: wikidata.org.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] . 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). U-645. Retrieved May 3, 2026, from https://4ort.xyz/entity/u-645
MLA “U-645.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/u-645.
BibTeX @misc{4ortxyz_u-645_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{U-645}}, year = {2026}, url = {https://4ort.xyz/entity/u-645}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): U-645 — https://4ort.xyz/entity/u-645 (retrieved 2026-05-03)

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