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1251 Avenue of the Americas

skyscraper in New York City

Architectural plans, a scale model, maps and brass measuring instruments
Places and architectureInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 12, 2026
Entity authorityQ173498 ↗
Source-derived summary

1251 Avenue of the Americas (formerly known as the Exxon Building) is a skyscraper on Sixth Avenue (also known as Avenue of the Americas), between 49th and 50th Streets, in the Midtown Manhattan neighborhood of New York City. It is owned by Mitsui Fudosan. The structure is built in the international style and looks like a simple cuboid devoid of any ornamentation. The facade consists of alternating narrow, vertical stripes of glass and limestone. The glass stripes are created by windows and opaque spandrels, forming continuous areas that are washed by machines sliding down the facade. A seven-floor base wraps around the western portion of the building, and there is a sunken plaza with a large two-tier pool and fountains facing Sixth Avenue. In the plaza stands the bronze statue named Out to Lunch by John Seward Johnson II—of the same series as the one that once stood outside 270 Park Avenue.

History

The building was part of the later Rockefeller Center expansion (1960s–1970s) dubbed the "XYZ Buildings". Their plans were first drawn in 1963 by the Rockefeller family's architect, Wallace Harrison, of the architectural firm Harrison & Abramovitz. 1251 Avenue of the Americas is the "X" Building as it is the tallest at 750 ft (229 m) and 54 stories, and was the first completed, in 1971.

Editorial summary

The public source identifies “1251 Avenue of the Americas” as skyscraper in New York City. This brief keeps that definition visible, then builds a research path around Avenue, Americas and skyscraper.

Editorial reviewA strong orientation record where physical form, institutional use and historical geography need to be read together. The current lead gives the account dated anchors—1251, 1963, 1971—that can be checked directly. The linked authority record independently contributes the date 1972. Its value is orientation rather than verdict, with Avenue, Americas and skyscraper providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “1251 Avenue of the Americas”, the useful work is to connect “skyscraper in New York City” to the records capable of establishing context and consequence.

Evidence profile

Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Sep 12, 2026. The linked authority identifier is Q173498. Authority coordinates are 40.760, -73.981. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1251, 1963 and 1971.

Critical limits

A single description cannot reconcile every naming convention, rebuilding phase or administrative transfer associated with a place. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Treat names, boundaries and functions as historically changeable. Maps, plans, inventories and administrative records can clarify what the place meant at different dates.

Best used for
  • Historic place names
  • Jurisdictional context
  • Routes into maps and plans
Verify next

Contemporary maps, plans, listed-building records, estate papers and the responsible local or national archive.

Three-step research path

  1. Establish the record: confirm the title “1251 Avenue of the Americas”, its source revision and the description used here.
  2. Expand the search: follow 1251 Avenue of the Americas primary sources, 1251 Avenue of the Americas archive and Avenue research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “1251 Avenue of the Americas”?
  2. Which authority defined the place, boundary or structure at the relevant date?
  3. Which earlier names or jurisdictions may reveal additional records?
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Source & attribution

This entry incorporates text from “1251 Avenue of the Americas” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.