Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.

Senghenydd colliery disaster

Mining explosion in 1913

The Senghenydd colliery disaster, also known as the Senghenydd explosion, occurred at the Universal Colliery in Senghenydd, near Caerphilly, Glamorgan, Wales, on 14 October 1913. The explosion, which killed 439 miners and a rescuer, is the worst mining accident in the United…