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181 West Madison Street

multi-storey urban building
Place skyscraper Q200780
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Summary

181 West Madison Street is a skyscraper[1]. It draws 104 Wikipedia views per month (skyscraper category, ranking #274 of 1,933).[2]

Key Facts

  • Located in the administrative territorial entity: Chicago[3]
  • Country: United States[4]
  • Instance of: office building[5]
  • Architect: César Pelli[6]
  • Commons category: 181 West Madison Street[7]
  • Inception: 1990[8]
  • Coordinate location: 41.881528, -87.633636[9]
  • Official website: http://www.181westmadison.com/[10]
  • Floors above ground: 50[11]
  • Date of official opening: 1990[12]
  • Height: 207.3[13]
  • Street address: 181 West Madison Street, Chicago, IL, United States[14]

Why It Matters

181 West Madison Street has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[15] It is known by 8 alternative names across languages and contexts.[16]

Related Entities

César Pelli United States

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [15] ↑ . Wikidata sitelinks. wikidata.org.
  3. [16] ↑ . 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). 181 West Madison Street. Retrieved October 11, 2026, from https://4ort.xyz/entity/181-west-madison-street
MLA “181 West Madison Street.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/181-west-madison-street.
BibTeX @misc{4ortxyz_181-west-madison-street_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{181 West Madison Street}}, year = {2026}, url = {https://4ort.xyz/entity/181-west-madison-street}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 181 West Madison Street — https://4ort.xyz/entity/181-west-madison-street (retrieved 2026-10-11)

Canonical URL: https://4ort.xyz/entity/181-west-madison-street · 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 · IdeasMagnet · 2026-09-05 view diff on Wikidata ↗
    Openstreetmap way id → 124865458
    "/* wbsetclaim-create:2||1 */ Openstreetmap way id: 124865458, Adding OSM way id claim from wikidata tag on way/124865458 in United States"
  2. 23w ago · Ikan · 2026-05-01 view diff on Wikidata ↗
    Floors above ground → {'amount': '+50'}
    Architect → César Pelli
    Inception → —
    Wolfram language entity code → Entity["Building", "181WestMadisonStreet::3tsxm"]
    + 13 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Wolfram language entity code: Entity["Building", "181WestMadisonStreet::3tsxm"], [[:toollabs:quickstatements/#/batch/257096|batch #257096]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.