The Octagon
type: Thing
description: hospital in New York, United States
additional property: PropertyValue
  property ID: P17
  value: United States
additional property: PropertyValue
  property ID: P18
  value: The-octagon-roosevelt-island.jpg
additional property: PropertyValue
  property ID: P31
  value: former hospital
additional property: PropertyValue
  property ID: P31
  value: hospital
additional property: PropertyValue
  property ID: P84
  value: Alexander Jackson Davis
additional property: PropertyValue
  property ID: P131
  value: Manhattan
additional property: PropertyValue
  property ID: P244
  value: sh2016002332
additional property: PropertyValue
  property ID: P373
  value: The Octagon (Roosevelt Island)
additional property: PropertyValue
  property ID: P646
  value: /m/03ckd8_
additional property: PropertyValue
  property ID: P649
  value: 72000880
additional property: PropertyValue
  property ID: P706
  value: Roosevelt Island
additional property: PropertyValue
  property ID: P856
  value: http://www.octagonnyc.com/bldgHistory.asp
additional property: PropertyValue
  property ID: P1435
  value: National Register of Historic Places listed place
additional property: PropertyValue
  property ID: P1435
  value: New York City Landmark
additional property: PropertyValue
  property ID: P1435
  value: New York State Register of Historic Places listed place
additional property: PropertyValue
  property ID: P4273
  value: 0910
additional property: PropertyValue
  property ID: P5383
  value: 77831
additional property: PropertyValue
  property ID: P6082
  value: 1086085
additional property: PropertyValue
  property ID: P7772
  value: roosevelt-island-octagon-tower
additional property: PropertyValue
  property ID: P8189
  value: 987007400099805171
additional property: PropertyValue
  property ID: P12353
  value: 06101.000499
confidence:
  popularity graph score:
    score: 0.006
    score pct: 1
    tier: established
    components:
      sitelinks: 6
      sitelinks norm: 0.014
      unique citations: 5
      unique citations norm: 0.002
      monthly pageviews: 448
      monthly pageviews norm: 0.0
  sitelinks: 6
  unique citations: 5
  monthly pageviews: 448
  yearly pageviews: 741
  pageview trend:
    m: 2026-08
    v: 448
  pageview trend:
    m: 2026-07
    v: 61
  pageview trend:
    m: 2026-06
    v: 91
  pageview trend:
    m: 2026-05
    v: 4
  pageview trend:
    m: 2026-05
    v: 51
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-04
    v: 1
  pageview trend:
    m: 2026-04
    v: 84
  popularity:
    sitelinks: 6
    max: 423
    pct: 1.4
  tier: established
claims:
  P17:
    value: Q30
    source count: 1
    confidence: 0.2
    value label: United States
  P18:
    value: The-octagon-roosevelt-island.jpg
    source count: 1
    confidence: 0.2
  P31:
    value: Q64578911
    source count: 1
    confidence: 0.2
    value label: former hospital
  P31:
    value: Q16917
    source count: 1
    confidence: 0.2
    value label: hospital
  P84:
    value: Q433770
    source count: 1
    confidence: 0.2
    value label: Alexander Jackson Davis
  P131:
    value: Q11299
    source count: 1
    confidence: 0.2
    value label: Manhattan
  P244:
    value: sh2016002332
    source count: 1
    confidence: 0.2
  P373:
    value: The Octagon (Roosevelt Island)
    source count: 1
    confidence: 0.2
  P625:
    value:
      lat: 40.769006
      lon: -73.943925
    source count: 1
    confidence: 0.2
  P646:
    value: /m/03ckd8_
    source count: 0
    confidence: 0.0
  P649:
    value: 72000880
    source count: 0
    confidence: 0.0
  P706:
    value: Q909777
    source count: 0
    confidence: 0.0
    value label: Roosevelt Island
  P856:
    value: http://www.octagonnyc.com/bldgHistory.asp
    source count: 1
    confidence: 0.2
  P1435:
    value: Q19558910
    source count: 1
    confidence: 0.2
    value label: National Register of Historic Places listed place
    qualifiers:
      P580: +1972-03-16T00:00:00Z
  P1435:
    value: Q19825927
    source count: 1
    confidence: 0.2
    value label: New York City Landmark
    qualifiers:
      P580: +1976-03-23T00:00:00Z
  P1435:
    value: Q120763427
    source count: 1
    confidence: 0.2
    value label: New York State Register of Historic Places listed place
    qualifiers:
      P580: +1980-06-23T00:00:00Z
  P4273:
    value: 0910
    source count: 0
    confidence: 0.0
  P5383:
    value: 77831
    source count: 1
    confidence: 0.2
  P6082:
    value: 1086085
    source count: 0
    confidence: 0.0

value: roosevelt-island-octagon-tower
source count: 0
confidence: 0.0

value: 987007400099805171
source count: 1
confidence: 0.2

value: 06101.000499
source count: 0
confidence: 0.0

retrieved: 2019-04-03

retrieved: 2018-07-14

source: archINFORM
stated in qid: Q265049
retrieved: 2018-07-30

source: National Register of Historic Places
stated in qid: Q3719

source: National Library of Israel
stated in qid: Q188915

wikidata id: Q2887672
domain: former_hospital
level: standard
html url: https://4ort.xyz/entity/the-octagon-q2887672
markdown url: https://4ort.xyz/entity/the-octagon-q2887672.md
facts url summary: https://4ort.xyz/entity/the-octagon-q2887672/facts.json
facts url standard: https://4ort.xyz/entity/the-octagon-q2887672/facts.json
facts url full: https://4ort.xyz/entity/the-octagon-q2887672/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-25T10:13:48.435717Z
entity updated at: 2026-04-10T23:16:08.855708+00:00Z
entity created at: 2026-04-10T23:16:08.855708+00:00Z