The
SS Mont-Blanc was a
freighter built in
Middlesbrough, England in 1899 and purchased by the
French company, Société Générale de Transport Maritime (SGTM). On Thursday morning, 6 December 1917, she entered
Halifax Harbour in
Nova Scotia, Canada laden with a full cargo of highly volatile explosives. As she made her way through the Narrows towards Bedford Basin, she was involved in a collision with the Norwegian ship, . A fire aboard the French ship ignited her cargo of wet and dry
picric acid,
TNT, and
guncotton. The resultant
Halifax Explosion levelled the Richmond District and killed approximately 2,000 people.