Japanese submarine I-400

1944 I-400-class submarine
Thing first_class_japanese_submarine Q9295685
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Japanese submarine I-400

Summary

Japanese submarine I-400 is a first class Japanese submarine[1]. It ranks in the top 9% of first_class_japanese_submarine entities by monthly Wikipedia readership (47 views/month).[2]

Key Facts

  • Japanese submarine I-400's image is recorded as I400 2.jpg[3].
  • Japanese submarine I-400's instance of is recorded as first class Japanese submarine[4].
  • Japanese submarine I-400's instance of is recorded as submarine aircraft carrier[5].
  • Japanese submarine I-400's operator is recorded as Imperial Japanese Navy[6].
  • Japanese submarine I-400's manufacturer is recorded as Kure Naval Arsenal[7].
  • Japanese submarine I-400's vessel class is recorded as I-400-class submarine[8].
  • Japanese submarine I-400's country of origin is recorded as Japan[9].
  • Japanese submarine I-400's participated in conflict is recorded as World War II[10].
  • Japanese submarine I-400's significant event is recorded as ship commissioning[11].
  • Japanese submarine I-400's significant event is recorded as ship launching[12].
  • Japanese submarine I-400's significant event is recorded as keel laying[13].
  • Japanese submarine I-400's short name is recorded as {'lang': 'mul', 'text': 'I-400'}[14].
  • Japanese submarine I-400's name is recorded as {'lang': 'mul', 'text': 'I-400'}[15].
  • Japanese submarine I-400's Google Knowledge Graph ID is recorded as /g/11b72nxxfk[16].

Body

Works and Contributions

Things named for Japanese submarine I-400 include I-400-class submarine[17], a submarine class[18], founded in 1944[19].

Why It Matters

Japanese submarine I-400 ranks in the top 9% of first_class_japanese_submarine entities by monthly Wikipedia readership (47 views/month).[2] It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[20] It is known by 6 alternative names across languages and contexts.[21]

Entities named for it include I-400-class submarine[17], a submarine class[18], founded in 1944[19].

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.
  14. [16] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [17] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [18] . Wikidata. wikidata.org. → on this site
  2. [19] . Wikidata. wikidata.org. → on this site

Class ancestry

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

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [20] . Wikidata sitelinks. wikidata.org.
  3. [21] . 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). Japanese submarine I-400. Retrieved May 3, 2026, from https://4ort.xyz/entity/japanese-submarine-i-400
MLA “Japanese submarine I-400.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/japanese-submarine-i-400.
BibTeX @misc{4ortxyz_japanese-submarine-i-400_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Japanese submarine I-400}}, year = {2026}, url = {https://4ort.xyz/entity/japanese-submarine-i-400}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Japanese submarine I-400 — https://4ort.xyz/entity/japanese-submarine-i-400 (retrieved 2026-05-03)

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