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Type B1 submarine

1939 American subclass of Type B submarines
Place submarine_class Q2596671
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Summary

Type B1 submarine is a submarine class[1]. It draws 1,264 Wikipedia views per month (submarine class category, ranking #125 of 405).[2]

Key Facts

  • Operator: Imperial Japanese Navy[3], United States Navy[4]
  • Named after: Japanese submarine I-15[5]
  • Follows: Type AM submarine[6]
  • Followed by: Type B2 submarine[7]
  • Subclass of: Type B submarine[8]
  • Commons category: I-15 class submarine[9]
  • Country of origin: Empire of Japan[10]
  • Inception: 1939[11]
  • Topic's main category: Category:Type B1 submarines[12]
  • Short name: I-15[13], Type B1[14]

Why It Matters

Type B1 submarine has Wikipedia articles in 10 language editions, a strong signal of global cultural recognition.[15] It is known by 26 alternative names across languages and contexts.[16]

Related Entities

United States

References

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

Direct Wikidata claims

  1. [3] ↑ . Japanese submarine I-23. wikidata.org.
  2. [4] ↑ . Japanese submarine I-23. 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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. wikidata.org.
  3. [16] ↑ . 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). Type B1 submarine. Retrieved October 17, 2026, from https://4ort.xyz/entity/type-b1-submarine
MLA “Type B1 submarine.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/type-b1-submarine.
BibTeX @misc{4ortxyz_type-b1-submarine_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Type B1 submarine}}, year = {2026}, url = {https://4ort.xyz/entity/type-b1-submarine}, note = {Accessed: 2026-10-17}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Type B1 submarine — https://4ort.xyz/entity/type-b1-submarine (retrieved 2026-10-17)

Canonical URL: https://4ort.xyz/entity/type-b1-submarine · 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. 7d ago · 隐世高人 · 2026-10-12 view diff on Wikidata ↗
    Country of origin → Empire of Japan
    Wikipedia languages → ['de', 'en', 'es', 'fa', 'it', 'ja', 'pl', 'ru', 'vi', 'zh']
    Claims rich → —
    "/* wbsetclaim-update:2||1 */ Country of origin: Empire of Japan"
  2. 21w ago · Vicarage · 2026-05-19 view diff on Wikidata ↗
    Country of origin → Empire of Japan
    Follows → —
    Operator → Imperial Japanese Navy, United States Navy
    Wikidata description → 1939 American subclass of Type B submarines
    + 15 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||en */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/32428|batch #32428]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.