WATCH: A brief documentary produced by the Fire Department of the City of New York in the aftermath, at what was then, the deadliest day in FDNY history. 12 FDNY Firefighters were killed in the line of duty on October 17, 1966, an incident that has come to be known within the Department as the “23rd Street Fire.” Visit the FDNY Facebook page on Monday, October 17, 2016, at 12:15 pm EST, to watch a live stream of the 50th Anniversary Commemoration Ceremony to be held at the scene of the fire on 2

Today the FDNY remembers one of the worst tragedies in Department history, when six Firefighters were killed in a fire at a Brooklyn Waldbaum’s on August 2, 1978. Nearly 20 Firefighters were on the roof of the supermarket when the central portion gave way, plunging 12 members into the flames. Lt. James E. Cutillo of Battalion 33, Firefighter Charles S. Bouton of Ladder 156, Firefighter Harold F. Hastings of Battalion 42, Firefighter James P. McManus of Ladder 153, Firefighter William O’Connor of