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Government or official record

The Knickerbocker Storm

National Weather Service Baltimore/Washington

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.

  1. Engineering failures · 28 January 1922

    The Knickerbocker Theatre Collapse

    Former Knickerbocker Theatre site at 18th Street and Columbia Road · United States

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    Why editors use it here

    Meteorological history of the 1922 snowfall and its regional effects.

    1. Quick read

      During a silent-film screening on 28 January 1922, the snow-loaded roof of Washington's Knickerbocker Theatre collapsed onto the balcony and orchestra seats.

      Reviewed 26 July 2026
    2. Trigger and conditions

      At about 9 p.m., a critical roof connection or support region failed under accumulated load.

      Reviewed 26 July 2026
    3. Uncertainty

      Investigations differed over whether the decisive defect was design, detailing, fabrication, erection, inspection, or a combination.

      Reviewed 26 July 2026
    4. Why it matters

      The collapse shows how an unusual weather load exposes latent design, construction, and inspection weaknesses.

      Reviewed 26 July 2026