Aon Center

CTL-PL-0194 · Place

VERIFIED evidence grade — master store (canonical CSV)

Combined Graph record U-02983 · provenance: canonical master store (CSV), record CTL-PL-0194. Master record source: User-supplied table 2026-10-16 (Chicago tallest buildings chronology) — UNVERIFIED, verify before public citation.

Built as the Standard Oil Building

The record

• Also known as: Standard Oil Building
• City: Chicago

Relationships

• Chicago — located in
  STRONG EVIDENCE
• Chicago's Tallest Buildings — appears on
  STRONG EVIDENCE

Sources

• https://www.tclf.org/landscapes/aon-center (verification source · master store)

Evidence note (master store)

The Aon Center exists as an 83-story skyscraper in the Chicago Loop, formerly the Standard Oil Building, standing 1,136 feet tall, designed by Edward Durell Stone and Perkins & Will, and opened in 1974. The building's own tenant portal (fetched in full 2026-10-17) gives its address as 200 East Randolph Street, Chicago, IL 60601. The tallest-building period is NOT covered by this source (fetched in full 2026-10-17)

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Record CTL-PL-0194 · Combined Graph record U-02983 · CultureTechLens Knowledge Graph · 1 source · 2 mapped relationships.
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Researched and maintained by the CultureTechLens research program · CultureTechLens Combined Graph, Release 2026-11-04. Corrections are public: the corrections log.

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