January 28, 1986
A disaster can happen at any time. The trigger depends on the kind of disaster.
The Space Shuttle Challenger disaster occurred on January 28, 1986. The shuttle broke apart 73 seconds into its flight, resulting in the death of all seven crew members on board.
Patria disaster happened in 1940.
Westfield disaster happened in 1871.
PEPCON disaster happened in 1988.
Ryongchon disaster happened in 2004.
Flixborough disaster happened in 1974.
Kaprun disaster happened in 2000.
Feyzin disaster happened in 1966.
Kyshtym disaster happened in 1957.
Spyros disaster happened in 1978.
Abbeystead disaster happened in 1984.