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].

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. 5d 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. 22w 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]]"
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