U-20

1936 Type IIB submarine

Vehicle U Boat Q689652

Facts

22 properties

Instance of: U-boat
Country: Turkey^[3]
Located in: Karasu district
Coordinate location: 🗺️ 41.167°, 30.783°^[11]
Commanded by: Karl-Heinz Moehle (1937–1940), Hans-Jürgen Zetzsche (1940–1940)
Conflict: World War II
Coordinates: 🗺️ 41.167°, 30.783°
Country of registry: Nazi Germany^[22]
Described by source: uboat.net^[19]
Different from: SM U-20^[20]
Located in the administrative territorial entity: Karasu district^[2]
Located in/on physical feature: Marmara Region^[12]
Location of creation: Kiel^[18]
Manufacturer: Friedrich Krupp Germaniawerft^[5]
Operator: Kriegsmarine^[4]
Participated in conflict: World War II^[9]
Powered by: diesel engine^[8]
Shipping port: Wilhelmshaven^[7]
Significant event: order, keel laying, ship launching, ship commissioning, scuttling^[13]^[14]^[15]^[16]^[17]
State of conservation: preserved^[21]
Vessel class: Type IIB submarine^[6]
Yard number: 550^[10]

🏷️ Also known as

en German submarine U-20 en U-20 ar الغواصة الألمانية يو-20 cs U 20 es Unterseeboot 20 es U 20 fa زیردریایی یو-۲۰ (۱۹۳۶) uk U-20 (1936) vi U-20 (tàu ngầm Đức) (1936) zh U-20号潜艇 (1936年)

🔖 Identifiers · 2

Freebase ID: /m/07xtk
Kulturenvanteri monument ID: 24055

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Significant event 5

ship launching, keel laying, scuttling, order, ship commissioning

Commanded by 1

Karl-Heinz Moehle

Country 1

Turkey

Country of registry 1

Nazi Germany

Described by source 1

uboat.net

Different from 1

SM U-20

Instance of 1

U-boat

Located in/on physical feature 1

Marmara Region

Location of creation 1

Kiel

Manufacturer 1

Friedrich Krupp Germaniawerft

Operator 1

Kriegsmarine

Participated in conflict 1

World War II

diesel engine

Shipping port 1

Wilhelmshaven

← Affiliation 1

Jürgen Oesten

← Commander of (DEPRECATED) 1

Karl-Heinz Moehle

← Different from 1

SM U-20

← Product or material produced 1

Friedrich Krupp Germaniawerft

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Summary

U-20 is an U-boat^[1].

References

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

Direct Wikidata claims

[3] ↑ U-20 — country (P17): Turkey. wikidata.org.
[2] ↑ U-20 — located in the administrative territorial entity (P131): Karasu district. wikidata.org.
[4] ↑ U-20 — operator (P137): Kriegsmarine. wikidata.org.
[5] ↑ U-20 — manufacturer (P176): Friedrich Krupp Germaniawerft. wikidata.org.
[6] ↑ U-20 — vessel class (P289): Type IIB submarine. wikidata.org.
[7] ↑ U-20 — shipping port (P504): Wilhelmshaven. wikidata.org.
[8] ↑ U-20 — powered by (P516): diesel engine. wikidata.org.
[9] ↑ U-20 — participated in conflict (P607): World War II. wikidata.org.
[10] ↑ U-20 — yard number (P617): 550. wikidata.org.
[11] ↑ U-20 — coordinate location (P625): {'lat': 41.166666666666664, 'lon': 30.783333333333335}. wikidata.org.
[12] ↑ U-20 — located in/on physical feature (P706): Marmara Region. wikidata.org.
[13] ↑ U-20 — significant event (P793): order. uboat.net. Retrieved 2019-06-29. uboat.net. Provenance: wikidata.org.
[14] ↑ U-20 — significant event (P793): keel laying. uboat.net. Retrieved 2019-06-29. uboat.net. Provenance: wikidata.org.
[15] ↑ U-20 — significant event (P793): ship launching. uboat.net. Retrieved 2019-06-29. uboat.net. Provenance: wikidata.org.
[16] ↑ U-20 — significant event (P793): ship commissioning. uboat.net. Retrieved 2019-06-29. uboat.net. Provenance: wikidata.org.
[17] ↑ U-20 — significant event (P793): scuttling. uboat.net. Retrieved 2019-06-29. uboat.net. Provenance: wikidata.org.
[18] ↑ U-20 — location of creation (P1071): Kiel. wikidata.org.
[19] ↑ U-20 — described by source (P1343): uboat.net. wikidata.org.
[20] ↑ U-20 — different from (P1889): SM U-20. wikidata.org.
[21] ↑ U-20 — state of conservation (P5816): preserved. wikidata.org.
[22] ↑ U-20 — country of registry (P8047): Nazi Germany. wikidata.org.

Class ancestry

[1] ↑ U-20 is an instance of U-boat (Q428661) [P31, primary]. 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). U-20. Retrieved November 12, 2026, from https://4ort.xyz/entity/u-20

MLA “U-20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/u-20.

BibTeX

@misc{4ortxyz_u-20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{U-20}}, year = {2026}, url = {https://4ort.xyz/entity/u-20}, note = {Accessed: 2026-11-12}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): U-20 — https://4ort.xyz/entity/u-20 (retrieved 2026-11-12)

Canonical URL: https://4ort.xyz/entity/u-20 · Last refreshed: November 12, 2026