Model codes and standards are often motivated to change after large fires with large losses of life and injuries. These changes often make an impact to the fire sprinkler industry. Fires such as the MGM Grand Hotel, Our Lady of the Angels, the Iroquois Theater, and other recent fires, such as the Station Nightclub and Grenfell Tower fires make impacts to the industry. This course will detail several large fires and their influence on the industry and their results in the codes and standards being applied today. This course will benefit designers, layout technicians, contractors, as well as code officials to understand this important fire sprinkler history.