Who was the train dispatcher who sent a warning message to another passenger train in the December 6, 1917 Halifax maritime disaster?
Halifax Explosion The Halifax Explosion was a maritime disaster in Halifax, Nova Scotia, Canada, on the morning of 6 December 1917.  , a French cargo ship laden with high explosives, collided with the Norwegian vessel  in the Narrows, a strait connecting the upper Halifax Harbour to Bedford Basin. A fire on board the French ship ignited her cargo, causing a large explosion that devastated the Richmond district of Halifax. Approximately 2,000 people were killed by blast, debris, fires and collapsed buildings, and an estimated 9,000 others were injured. The blast was the largest man-made explosion prior to the development of nuclear weapons, releasing the equivalent energy of roughly 2.9 kilotons of TNT.
1815 Philadelphia train accident The 1815 Philadelphia train accident occurred on 31 July 1815, in Philadelphia, County Durham, England, when an early experimental railway locomotive, Brunton's "Mechanical Traveller", suffered a boiler explosion. This engine, also known as the Steam Horse, ran on four wheels but was pushed by mechanical feet. This was both the first recorded boiler explosion and the first railway accident causing major loss of life, as 16 people were killed [some sources state 13].