Unidentified victims of this event are buried in the "Plot of the Unknown" 
Unidentified victims of this event are buried in the "Plot of the Unknown" at the Grandview cemetery. John Parke and Elias Unger unsuccessfully attempted to prevent this event at the last moment. This event prompted the adoption of a temporary 10% tax on liquor, which still exists today. The Cambria Iron Works were destroyed during this event. This event was made worse when a fire broke out on the Stone Bridge. After this event, one organization hired the law firm Knox and Reed, led by future Secretary of State Philander Knox. That organization, whose members included Henry Clay Frick, was the wealthy Stone Fork Hunting and Fishing Club. For 10 points, name this 1889 disaster, the result of a broken dam, which wiped out the namesake Pennsylvania town. 
Unidentified victims of this event are buried in the "Plot of the Unknown" at the Grandview cemetery.
Johnstown Flood [accept equivalents mentioning a flood in Johnstown, accept "Great Flood of 1889" before a year is mentioned]