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Union Iron Works

shipbuilding firm in San Francisco
Organization business Q7885783
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Union Iron Works

Summary

Union Iron Works is a business[1]. It ranks in the top 4% of business entities by monthly Wikipedia readership (43 views/month).[2]

Key Facts

  • Union Iron Works is in the country of United States[3].
  • Union Iron Works's instance of is recorded as business[4].
  • Union Iron Works's founder is recorded as Peter Donahue[5].
  • Union Iron Works's headquarters location is recorded as San Francisco[6].
  • Union Iron Works's Commons category is recorded as Union Iron Works[7].
  • Union Iron Works's industry is recorded as shipbuilding[8].
  • +1849-01-01T00:00:00Z marks the founding of Union Iron Works[9].
  • Union Iron Works's Freebase ID is recorded as /m/03b9tq[10].

Body

Founding

Union Iron Works's founder is recorded as Peter Donahue[5]. +1849-01-01T00:00:00Z marks the founding of it[9].

Operations

Union Iron Works's headquarters location is recorded as San Francisco[6].

Industry

Union Iron Works's industry is recorded as shipbuilding[8].

Why It Matters

Union Iron Works ranks in the top 4% of business entities by monthly Wikipedia readership (43 views/month).[2] It has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[11]

Related Entities

business United States

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.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [11] ↑ . Wikidata sitelinks. 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). Union Iron Works. Retrieved April 10, 2026, from https://4ort.xyz/entity/union-iron-works
MLA “Union Iron Works.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/union-iron-works.
BibTeX @misc{4ortxyz_union-iron-works_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Union Iron Works}}, year = {2026}, url = {https://4ort.xyz/entity/union-iron-works}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Union Iron Works — https://4ort.xyz/entity/union-iron-works (retrieved 2026-04-10)

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