Where this source supports the record
Each entry separates the article’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Engineering failures · 17 July 1981Open article references →
The Hyatt Regency Walkway Collapse
Hyatt Regency Kansas City atrium · United States
Why editors use it hereVictim, survivor, responder, memorial, and site history maintained by the community.
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Quick read
During a crowded tea dance on 17 July 1981, suspended walkways inside the Hyatt Regency Kansas City atrium collapsed.
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Trigger and conditions
Hundreds gathered in and around the atrium for a weekly dance, loading the bridges with spectators.
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Uncertainty
The mechanical failure is exceptionally well established.
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Why it matters
The collapse was caused not merely by a drafting change but by a process that allowed a critical load-path alteration to pass without calculation.
Reviewed 26 July 2026
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Quick read