During the trial of Max Blanck and Isaac Harris that followed this event, Max Steuer (*) discredited Kate Alterman as a witness by having her repeat her testimony three times.
The amateur genealogist Michael Hirsch discovered the previously unknown identities of six victims of this event. Over a hundred lives were saved by Gaspare Mortillaro's and Joseph Zito's actions during this event. In the years before this event took place, the Great Revolt and the Uprising of Twenty Thousand were instigated by the ILGWU. During the trial of Max Blanck and Isaac Harris that followed this event, Max Steuer (*) discredited Kate Alterman as a witness by having her repeat her testimony three times. An investigator of this event described it as "The day the New Deal began"; that woman was Frances Perkins. This event turned deadly due to the policy of locking in workers to prevent them from taking breaks. For 10 points, name this 1911 disaster in a New York garment factory.
The amateur genealogist Michael Hirsch discovered the previously unknown identities of six victims of this event.
Triangle  Shirtwaist  Factory fire [accept equivalents for "fire," or any general "disaster," etc.]