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21 cm K 12 (E)

German railroad gun
Class type of: railway gun Q212911
21 cm K 12 (E)

Facts

17 properties

Identity

Instance of
artillery model

Population and size

Length
33300.0[11]
More facts +15
Subclass of
railway gun[3]
Ammunition
21 cm HE[8]
Caliber
210.0[18]
Conflict
World War II
Country of origin
Germany, German Empire[5][6]
Described by source
Twentieth-Century Artillery[10]
Designed by
Krupp[4]
Effective firing range
115000.0[15]
Field of view
1.0[14]
Manufacturer
Friedrich Krupp AG[2]
Mass
302000.0[13]
Participated in conflict
World War II[7]
Slope
25.0, 55.0[16][17]
Speed
1500.0[12]
Total produced
2.0[9]
🏷️ Also known as
en 21cm K12(E) en 21 cm K 12 (E) de 21-cm-Kanone 12 fr 21-cm-Kanone 12 (E) ja 21cm K12(E)列車砲 nl 21 cm K 12 pl 21 cm Kanone 12 (Eisenbahn) zh K12列车炮 zh-hant K12列車炮
🔖 Identifiers · 1
Freebase ID
/m/04cw1d6

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🔗 Connections
Country of origin 2
Germany, German Empire
Designed by 1
Krupp
Manufacturer 1
Friedrich Krupp AG
Participated in conflict 1
World War II
Subclass of 1
railway gun
← FactGrid item ID 1
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Summary

21 cm K 12 (E) is an artillery model[1].

Related Entities

German Empire Germany

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] ↑ . Twentieth-Century Artillery. wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Twentieth-Century Artillery. wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . Twentieth-Century Artillery. wikidata.org.
  10. [11] ↑ . Twentieth-Century Artillery. wikidata.org.
  11. [12] ↑ . Twentieth-Century Artillery. wikidata.org.
  12. [13] ↑ . Twentieth-Century Artillery. wikidata.org.
  13. [14] ↑ . Twentieth-Century Artillery. wikidata.org.
  14. [15] ↑ . Twentieth-Century Artillery. wikidata.org.
  15. [16] ↑ . Twentieth-Century Artillery. wikidata.org.
  16. [17] ↑ . Twentieth-Century Artillery. wikidata.org.
  17. [18] ↑ . Twentieth-Century Artillery. 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). 21 cm K 12 (E). Retrieved November 9, 2026, from https://4ort.xyz/entity/21-cm-k-12-e
MLA “21 cm K 12 (E).” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/21-cm-k-12-e.
BibTeX @misc{4ortxyz_21-cm-k-12-e_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21 cm K 12 (E)}}, year = {2026}, url = {https://4ort.xyz/entity/21-cm-k-12-e}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21 cm K 12 (E) — https://4ort.xyz/entity/21-cm-k-12-e (retrieved 2026-11-09)

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