The SS Mont-Blanc. On Thursday morning, 6 December 1917, she entered Halifax Harbour in Nova Scotia, Canada laden with a full cargo of highly volatile explosives and was involved in a collision with the Norwegian ship, SS Imo. A fire aboard the French ship fire ignited her cargo of wet and dry picric acid, TNT and guncotton. The resultant Halifax Explosion levelled the Richmond District and killed approximately 2000 people.
Halifax Explosion Dec 6, 1917 - At Halifax, the French munitions ship Mont Blanc collided with the Belgian relief ship Imo. The resulting explosion, the largest before the advent of the atomic bomb, killed more than 1600 people and injured 9000 in Canada's worst disaster.
The Halifax Explosion,12/6/1917, occurred when the city of Halifax, Nova Scotia,Can, was devastated by the detonation of the SS Mont-Blanc, a French cargo ship,fully loaded with wartime explosives after it collided with the Norwegian SS Imo in a part of Halifax Harbour. About 2,000 people were killed by debris, fires, & collapsed buildings.It is estimated that over 9,000 were injured.Until the Trinity test explosions of atomic bombs, it was the largest man-made explosion in recorded history.