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John Adams Building

second oldest of the four buildings of the Library of Congress of the United States
Place library_building Q2337907

Facts

17 properties

Identity

Instance of
library building
Official website
www.loc.gov[13]

Location

Country
United States[3]
Location
Capitol Hill[8]
Coordinate location
🗺️ 38.889°, -77.003°[12]
Located in the administrative territorial entity
Washington, D.C.[2]

Population and size

Height
+71.36[17]

Codes

Postal code
20002[9]
More facts +9
Architectural style
Neoclassicism[5]
Color
white[10]
Date of official opening
January 3, 1939[16]
Floors above ground
+6[14]
Floors below ground
+1[15]
Made from material
steel, marble[6][7]
Named after
John Adams[4]
Occupant
Library of Congress[11]
Street address
120 2nd St SE, Washington, DC 20002[18]
🏷️ Also known as
en Adams Building en Congressional Library Annex en John Adams Building en Library of Congress Annex id Gedung John Adams ru Здание Джона Адамса tr John Adams Binası uk Будівля Джона Адамса
🔖 Identifiers · 11
Image (Wikimedia Commons)
John Adams Building (31274182293).jpg ↗
Emporis building ID
270325
Encyclopædia Britannica Online ID
place/John-Adams-Building
Freebase ID
/m/09sdn_
GNIS Feature ID
530770
GeoNames ID
4139234
Google Maps Customer ID
8451782218982808837
OpenStreetMap way ID
66418878
SAH Archipedia building ID
DC-01-CH13
The Living New Deal ID
library-of-congress-adams-building-washington-dc
Wolfram Language entity code
Entity["Building", "JohnAdamsBuilding::698z7"]
📚 Sources · 1
  • GeoNames as of 2026-09-26 · 1 statement · CC BY 4.0 CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.

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⛏️ Lake Facts · open-dataset statements via 4ort-mint

From open datasets, joined by identifier and shown only for properties Wikidata does not state on this entity — except where the dataset is the registry authority for the fact (ClinicalTrials.gov on trial registration data): there its value is shown instead, with Wikidata's noted beside it. Every row carries its dataset edition and licence.

Elevation above sea levelP2044
27 m 2026-09-26 S/BLDG · US GeoNames (CC BY 4.0) as of 2026-09-26
where from?
Source
GeoNames
Edition
20260926 · as of 2026-09-26
Licence
CC BY 4.0
Credit
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
Bronze
1da92a6323a5fec3… admin1CodesASCII.txt +9 files
Transform
4ort-mint · lake · version not recorded
CC BY 4.0 — attribution: GeoNames (www.geonames.org), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Values as shipped.
🔗 Connections
Made from material 2
steel, marble
Architectural style 1
Neoclassicism
Color 1
white
Country 1
United States
Located in the administrative territorial entity 1
Washington, D.C.
Located in this place 1
Library of Congress
Location 1
Capitol Hill
Named after 1
John Adams
Occupant 1
Library of Congress
Press Enter · cited answer in seconds

Summary

John Adams Building is a library building[1].

Related Entities

John Adams United States

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). John Adams Building. Retrieved November 5, 2026, from https://4ort.xyz/entity/john-adams-building
MLA “John Adams Building.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/john-adams-building.
BibTeX @misc{4ortxyz_john-adams-building_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{John Adams Building}}, year = {2026}, url = {https://4ort.xyz/entity/john-adams-building}, note = {Accessed: 2026-11-05}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): John Adams Building — https://4ort.xyz/entity/john-adams-building (retrieved 2026-11-05)

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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. 9w ago · IdeasMagnet · 2026-09-05 view diff on Wikidata ↗
    OpenStreetMap way ID → 66418878
    "/* wbsetclaim-create:2||1 */ OpenStreetMap way ID: 66418878, Adding OSM way id claim from wikidata tag on way/66418878 in United States"
  2. 27w ago · Ikan · 2026-05-01 view diff on Wikidata ↗
    Location → Capitol Hill
    Floors above ground → {'amount': '+6'}
    Named after → —
    Occupant → Library of Congress
    + 18 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Wolfram Language entity code: Entity["Building", "JohnAdamsBuilding::698z7"], [[:toollabs:quickstatements/#/batch/257096|batch #257096]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.