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SM U-20

German submarine
Vehicle Submarine Q698755
SM U-20
Bain News Service · Public Domain · Wikimedia

Facts

12 properties
Instance of
submarine
Coordinate location
🗺️ 56.550°, 8.133°[6]
Beam
+6.10[13]
Country of origin
German Empire[4]
Different from
U-20[11]
Draft
+3.58[14]
Length
+64.15[12]
Location of creation
Gdańsk[10]
Manufacturer
Kaiserliche Werft Danzig[3]
Operator
Imperial German Navy[2]
Significant event
sinking of the RMS Lusitania, ship launching, keel laying[7][8][9]
Yard number
14[5]
🏷️ Also known as
en SM U-20 ar غواصة يو-20 ar غواصة يو-٢٠ cs SM U 20 da U 20 es U-20 es Unterseeboot 20 es U 20 es SM U 20 es SM U-20 es Submarino SM U 20 es Submarino SM U-20 fa اس‌ام یو-۲۰ (آلمان) fi U-20 hu SM U 20 (Németország) it U-boot U-20 ja U20 (潜水艦) zh U20号潜艇 zh-hant U20號潛艇
🔖 Identifiers · 2
Dreadnought Project page
S.M.S._U_20_(1912)
Freebase ID
/m/02pqkct

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🔗 Connections
Significant event 3
ship launching, sinking of the RMS Lusitania, keel laying
Country of origin 1
German Empire
Different from 1
U-20
Instance of 1
submarine
Location of creation 1
Gdańsk
Manufacturer 1
Kaiserliche Werft Danzig
Operator 1
Imperial German Navy
← Different from 1
U-20
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Summary

SM U-20 is a submarine[1].

Related Entities

German Empire

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . Retrieved . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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-20. Retrieved November 10, 2026, from https://4ort.xyz/entity/sm-u-20
MLA “SM U-20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/sm-u-20.
BibTeX @misc{4ortxyz_sm-u-20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SM U-20}}, year = {2026}, url = {https://4ort.xyz/entity/sm-u-20}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SM U-20 — https://4ort.xyz/entity/sm-u-20 (retrieved 2026-11-10)

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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. 5w ago · VGMaintenanceBot bot · 2026-10-05 view diff on Wikidata ↗
    Significant event → sinking of the RMS Lusitania, ship launching, keel laying
    Location of creation → Gdańsk
    Coordinate location → 56.550°, 8.133°
    Different from → U-20
    + 7 other properties edited (see Wikidata diff for full list)
    "Added qualifier: MediaWiki page ID: 12748, Add qualifier to Dreadnought Project page `S.M.S._U_20_(1912)`"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.