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Library of Congress

(de facto) national library of the United States of America
Organization national_library Q131454
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The Library of Congress is a national library.[1] It was founded on April 24, 1800.[2][3]

Its headquarters are in Washington, D.C.[4][5][6][1] It had 3.2k employees in 2019.[7]

Key Facts

  • Field of work: library[3]
  • Award received: Silver Anvil Award[4]
  • Member of: Société de l’histoire de France[5], Digital Library Federation[6], Association of Research Libraries[7], World Digital Library[8], International Confederation of Architectural Museums[9], Biodiversity Heritage Library[10], World Wide Web Consortium[11], International Association of Sound and Audiovisual Archives[12], International GLAM Labs Community[13], Geheugen van Nederland[14], Flickr Commons[15], International Federation of Library Associations and Institutions[16], Coalition for Networked Information[17], National Digital Stewardship Alliance[18]
  • Located in the administrative territorial entity: Washington, D.C.[19]
  • Country: United States[20]
  • Instance of: United Nations Depository Library[21], parliamentary archives[22], legislative branch agency[23]
  • Main regulatory text: Title 2 of the United States Code[24]
  • Headquarters location: Washington, D.C.[25]
  • Location: Thomas Jefferson Building[26], John Adams Building[27], James Madison Memorial Building[28]
  • Postal code: 20540-4560[29]
  • Child organization or unit: US Center for the Book[30], National Film Registry[31], Office of the Inspector General, Library of Congress[32], Congressional Research Service[33], Federal Research Division[34], United States Copyright Office[35], Cataloging Distribution Service[36], National Audio-Visual Conservation Center[37], Library of Congress African and Middle Eastern Division[38], American Folklife Center[39], Library of Congress Geography and Map Division[40], Library of Congress Prints and Photographs Division[41], Library of Congress Music Division[42], Library of Congress Network Development and MARC Standards Office[43]
  • Commons category: Library of Congress[44]
  • Has part(s): Law Library of Congress[45], Otto Vollbehr Collection[46], Rosenwald Collection[47], Bain Collection[48]
  • Inception: April 24, 1800[49]
  • Significant event: burning of the Library of Congress[50]
  • Official website: https://loc.gov/[51]
  • Topic's main category: Category:Library of Congress[52]

Body

Brands and Namesakes

Things named for Library of Congress include Library of Congress Classification[53], a universal classification scheme[54], in United States[55].

Why It Matters

Library of Congress has Wikipedia articles in 30 language editions, a strong signal of global cultural recognition.[56] It is known by 119 alternative names across languages and contexts.[57]

Works attributed to it include Library of Congress Subject Headings[58], a controlled vocabulary[59], in United States[60], founded in 1898[61]; Russian romanization table[62], a romanisation system[63]; and Tamashek romanization table[64], a romanisation system[65]. Entities named for it include Library of Congress Classification[53], a universal classification scheme[54], in United States[55].

FAQs

What awards did Library of Congress receive?

Honors received include Silver Anvil Award[4].

Related Entities

Albrecht Dürer Alexander Graham Bell American Stereoscopic Company Archibald MacLeish Bernard Malamud Bruce Johnson Carl Schurz Clara Barton Code List for Cultural Heritage Organizations Congressional Research Service Daniel J. Boorstin Earl Warren End of Term Web Archive Frederick Law Olmsted George Antheil GLAM Jupyter Notebooks Govdirectory Henriette Avram Isabelle de Charrière James A. Michener James Gillray J. Edgar Hoover John Paul Stevens John Updike Jupyter Notebooks LC for robots data exploration J. Whittle & R. H. Laurie Katsushika Hokusai Kitagawa Utamaro Library of Congress Hubs Lynn Margulis

References

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

Direct Wikidata claims

  1. [20] ↑ . archINFORM. Retrieved . wikidata.org.
  2. [21] ↑ . wikidata.org.
  3. [22] ↑ . wikidata.org.
  4. [23] ↑ . wikidata.org.
  5. [24] ↑ . uscode.house.gov. Retrieved . uscode.house.gov. Provenance: wikidata.org.
  6. [3] ↑ . wikidata.org.
  7. [19] ↑ . Libraries.org. Retrieved . wikidata.org.
  8. [25] ↑ . GeoNames. Retrieved . loc.gov. Provenance: wikidata.org.
  9. [4] ↑ . wikidata.org.
  10. [26] ↑ . wikidata.org.
  11. [27] ↑ . wikidata.org.
  12. [28] ↑ . aoc.gov. Retrieved . aoc.gov. Provenance: wikidata.org.
  13. [29] ↑ . wikidata.org.
  14. [30] ↑ . wikidata.org.
  15. [31] ↑ . wikidata.org.
  16. [32] ↑ . wikidata.org.
  17. [33] ↑ . USA.gov. Retrieved . loc.gov. Provenance: wikidata.org.
  18. [34] ↑ . wikidata.org.
  19. [35] ↑ . wikidata.org.
  20. [36] ↑ . loc.gov. Retrieved . loc.gov. Provenance: wikidata.org.
  21. [37] ↑ . loc.gov. Retrieved . loc.gov. Provenance: wikidata.org.
  22. [38] ↑ . wikidata.org.
  23. [39] ↑ . wikidata.org.
  24. [40] ↑ . wikidata.org.
  25. [41] ↑ . Union List of Artist Names. Retrieved . wikidata.org.
  26. [42] ↑ . wikidata.org.
  27. [43] ↑ . Library of Congress Name Authority File. Retrieved . loc.gov. Provenance: wikidata.org.
  28. [44] ↑ . wikidata.org.
  29. [5] ↑ . wikidata.org.
  30. [6] ↑ . clir.org. clir.org. Provenance: wikidata.org.
  31. [7] ↑ . Libraries.org. Retrieved . old.arl.org. Provenance: wikidata.org.
  32. [8] ↑ . wdl.org. wdl.org. Provenance: wikidata.org.
  33. [9] ↑ . icam-web.org. Retrieved . icam-web.org. Provenance: wikidata.org.
  34. [10] ↑ . biodivlib.wikispaces.com. Retrieved . biodivlib.wikispaces.com. Provenance: wikidata.org.
  35. [11] ↑ . w3.org. Retrieved . w3.org. Provenance: wikidata.org.
  36. [12] ↑ . wikidata.org.
  37. [13] ↑ . glamlabs.io. Retrieved . glamlabs.io. Provenance: wikidata.org.
  38. [14] ↑ . geheugen.delpher.nl. Retrieved . geheugen.delpher.nl. Provenance: wikidata.org.
  39. [15] ↑ . wikidata.org.
  40. [16] ↑ . Retrieved . wikidata.org.
  41. [17] ↑ . Retrieved . wikidata.org.
  42. [18] ↑ . Retrieved . wikidata.org.
  43. [45] ↑ . wikidata.org.
  44. [46] ↑ . wikidata.org.
  45. [47] ↑ . wikidata.org.
  46. [48] ↑ . wikidata.org.
  47. [49] ↑ . Federal Register. Retrieved . politico.com. Provenance: wikidata.org.
  48. [50] ↑ . wikidata.org.
  49. [51] ↑ . wikidata.org.
  50. [52] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [58] ↑ . wikidata.org. → on this site
  2. [62] ↑ . wikidata.org. → on this site
  3. [64] ↑ . wikidata.org. → on this site
  4. [53] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [59] ↑ . Wikidata. wikidata.org. → on this site
  2. [60] ↑ . Wikidata. wikidata.org. → on this site
  3. [61] ↑ . Wikidata. wikidata.org. → on this site
  4. [63] ↑ . Wikidata. wikidata.org. → on this site
  5. [65] ↑ . Wikidata. wikidata.org. → on this site
  6. [54] ↑ . Wikidata. wikidata.org. → on this site
  7. [55] ↑ . 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. [56] ↑ . Wikidata sitelinks. wikidata.org.
  3. [57] ↑ . 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). Library of Congress. Retrieved October 21, 2026, from https://4ort.xyz/entity/library-of-congress
MLA “Library of Congress.” 4ort.xyz Knowledge Graph, 4ort.xyz, 21 Oct. 2026, https://4ort.xyz/entity/library-of-congress.
BibTeX @misc{4ortxyz_library-of-congress_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Library of Congress}}, year = {2026}, url = {https://4ort.xyz/entity/library-of-congress}, note = {Accessed: 2026-10-21}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Library of Congress — https://4ort.xyz/entity/library-of-congress (retrieved 2026-10-21)

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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. 1d ago · Bassschlüssel · 2026-10-21 view diff on Wikidata ↗
    Rism siglum → —
    Rism id → —
    Claims rich → —
    "/* wbremoveclaims-remove:1| */ Rism id: institutions/30002492"
  2. 4d ago · AshleyButcher · 2026-10-17 view diff on Wikidata ↗
    Wikipedia languages → ['af', 'als', 'ar', 'arz', 'as', 'ast', 'az', 'ba', 'be', 'be_x_old', 'bg', 'bn'
    Sitelink count → 103
    Country of citizenship → —
    P14964 → LOC
    + 1 other property edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ P14964: LOC"
  3. 12w ago · Pierrotrgr · 2026-07-24 view diff on Wikidata ↗
    Biblissima authority id → 1983 Argentina rugby union tour of Australia
    "/* wbsetclaim-create:2||1 */ Biblissima authority id: Q32951, Import ID Biblissima V3 ([[:toollabs:editgroups/b/OR/a6710164cdc|details]])"
  4. 13w ago · Susmuffin · 2026-07-21 view diff on Wikidata ↗
    P14659 → https://www.loc.gov/about/
    Harper's tag → library-of-congress-washington-d-c, library-of-congress
    "/* wbsetclaim-create:1||1 */ Harper's tag: library-of-congress, Matched to [[:toollabs:mix-n-match/#/entry/289941020|library of congress (#289941020)]] in [[:toollabs:mix-n-match/#/catalog/7915"
  5. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1UAR9f
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  6. 16w ago · RVA2869 · 2026-06-27 view diff on Wikidata ↗
    Continent → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/38647|batch #38647]]: Remove redundant P30"
  7. 17w ago · Chalmd · 2026-06-19 view diff on Wikidata ↗
    Bbc things id → ce06fce9-8a45-4bfa-b2b1-77869edfcf10
    Musicbrainz place id → —
    "/* wbsetclaim-create:2||1 */ Bbc things id: ce06fce9-8a45-4bfa-b2b1-77869edfcf10, Adding BBC Things ID"
  8. 18w ago · Porantim · 2026-06-17 view diff on Wikidata ↗
    Musicbrainz label id → —
    "/* wbremoveclaims-remove:1| */ Musicbrainz label id: 2be5c4f7-1072-4726-bea5-ff02b3d90a1d"
  9. 21w ago · Susmuffin · 2026-05-21 view diff on Wikidata ↗
    Harper's tag → library-of-congress-washington-d-c, library-of-congress
    "/* wbsetclaim-create:1||1 */ Harper's tag: library-of-congress-washington-d-c, Matched to [[:toollabs:mix-n-match/#/entry/289941021|library of congress washington d c (#289941021)]] in [[:tooll"
  10. 24w ago · Gerwoman · 2026-05-06 view diff on Wikidata ↗
    Sancho el sabio foundation id → —
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/30386|batch #30386]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.