SM U-40

1914 Type U 31 submarine
Vehicle u_boat Q835050
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SM U-40

Summary

SM U-40 is an U-boat[1]. It ranks in the top 5% of u_boat entities by monthly Wikipedia readership (46 views/month).[2]

Key Facts

  • SM U-40's instance of is recorded as U-boat[3].
  • SM U-40 is operated by Imperial German Navy[4].
  • SM U-40's manufacturer is recorded as Friedrich Krupp Germaniawerft[5].
  • SM U-40's vessel class is recorded as Type U 31 submarine[6].
  • SM U-40's significant event is recorded as ship launching[7].
  • SM U-40's significant event is recorded as keel laying[8].
  • SM U-40's location of creation is recorded as Kiel[9].
  • SM U-40's described by source is recorded as uboat.net[10].
  • SM U-40's different from is recorded as SM UB-40[11].
  • SM U-40's length is recorded as {'amount': '+64.70'}[12].
  • SM U-40's beam is recorded as {'amount': '+6.32'}[13].
  • SM U-40's draft is recorded as {'amount': '+3.56'}[14].
  • SM U-40's country of registry is recorded as German Reich[15].

Why It Matters

SM U-40 ranks in the top 5% of u_boat entities by monthly Wikipedia readership (46 views/month).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[16] It is known by 7 alternative names across languages and contexts.[17]

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.

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . Wikidata sitelinks. wikidata.org.
  3. [17] . 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). SM U-40. Retrieved May 3, 2026, from https://4ort.xyz/entity/sm-u-40
MLA “SM U-40.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/sm-u-40.
BibTeX @misc{4ortxyz_sm-u-40_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SM U-40}}, year = {2026}, url = {https://4ort.xyz/entity/sm-u-40}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SM U-40 — https://4ort.xyz/entity/sm-u-40 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/sm-u-40 · 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. 16d ago · VGMaintenanceBot bot · 2026-09-04 view diff on Wikidata ↗
    Described by source uboat.net
    Beam {'amount': '+6.32'}
    Instance of U-boat
    Significant event ship launching, keel laying
    + 12 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P9675]]: 12547, Add qualifier to Dreadnought Project page `S.M.S._U_40_(1914)`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.