Ladd Observatory

astronomical observatory at Brown University
Place university_observatory Q6469295
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Ladd Observatory

Summary

Ladd Observatory is a university observatory[1]. It draws 51 Wikipedia views per month (university_observatory category, ranking #6 of 8).[2]

Key Facts

  • Ladd Observatory is located in Providence[3].
  • Ladd Observatory is in the country of United States[4].
  • Ladd Observatory's instance of is recorded as university observatory[5].
  • Ladd Observatory's architect is recorded as Stone, Carpenter, and Willson[6].
  • Ladd Observatory's founder is recorded as Winslow Upton[7].
  • Ladd Observatory's Commons category is recorded as Ladd Observatory[8].
  • October 21, 1891 marks the founding of Ladd Observatory[9].
  • Ladd Observatory's coordinate location is recorded as {'globe': 'http://www.wikidata.org/entity/Q2', 'altitude': None, 'latitude': 41.838888888889, 'longitude': -71.399166666667, 'precision': 0.00027777777777778}[10].
  • Ladd Observatory's parent organization or unit is recorded as Brown University[11].
  • Ladd Observatory's official website is recorded as http://brown.edu/ladd[12].
  • Ladd Observatory's donated by is recorded as Herbert W. Ladd[13].
  • Ladd Observatory's heritage designation is recorded as National Register of Historic Places listed place[14].
  • Ladd Observatory's Commons Institution page is recorded as Ladd Observatory[15].
  • Ladd Observatory's street address is recorded as Doyle Avenue[16].
  • Ladd Observatory's social media followers is recorded as {'unit': '1', 'amount': '+2001'}[17].
  • Ladd Observatory's social media followers is recorded as {'unit': '1', 'amount': '+1825'}[18].

Body

Geography

Ladd Observatory is in the country of United States[4]. It is located in Providence[3].

Designation and Status

Ladd Observatory's instance of is recorded as university observatory[5]. Its heritage designation is recorded as National Register of Historic Places listed place[14].

History and Context

October 21, 1891 marks the founding of Ladd Observatory[9].

Why It Matters

Ladd Observatory draws 51 Wikipedia views per month (university_observatory category, ranking #6 of 8).[2]

References

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

Direct Wikidata claims

  1. [4] . archINFORM. Retrieved . wikidata.org.
  2. [5] . wikidata.org.
  3. [6] . wikidata.org.
  4. [7] . brown.edu. brown.edu. Provenance: wikidata.org.
  5. [3] . National Register of Historic Places. wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . brown.edu. brown.edu. Provenance: wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . wikidata.org.
  11. [13] . brown.edu. brown.edu. Provenance: wikidata.org.
  12. [14] . National Register of Historic Places. wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.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). Ladd Observatory. Retrieved May 3, 2026, from https://4ort.xyz/entity/ladd-observatory
MLA “Ladd Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/ladd-observatory.
BibTeX @misc{4ortxyz_ladd-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Ladd Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/ladd-observatory}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Ladd Observatory — https://4ort.xyz/entity/ladd-observatory (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/ladd-observatory · 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. 5w ago · Edward · 2026-07-25 view diff on Wikidata ↗
    Parent organization or unit Brown University
    Openstreetmap way id 771420613
    Official website http://brown.edu/ladd
    Image Ladd Observatory crop.jpg
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P10689]]: 771420613, [[:toollabs:quickstatements/#/batch/261557|batch #261557]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.