On this day

On This Day — 6 December

Disasters recorded on 6 December across the years, drawn from our archive of historical events.

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2 recordedDisasters on 6 December

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1917
Explosion Canada 2,000 deaths

Halifax explosion

On the morning of 6 December 1917, the French cargo ship SS Mont-Blanc and the Norwegian vessel SS Imo collided in the harbour of Halifax, Nova Scotia, Canada. Laden with high explosives, Mont-Blanc caught fire and detonated, devastating th…

1907
Mine Accident United States 362 deaths

Monongah Mining disaster

The Monongah mining disaster was a coal mine explosion on December 6, 1907, at Fairmont Coal Company's Nos. 6 and 8 mines in Monongah, West Virginia, which killed 362 miners. It has been described as "the worst mining disaster in American h…

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