The Gresford disaster in Wales kills 266 miners and rescuers.

Gresford disaster

1934 coal mining disaster near Wrexham, Wales

The Gresford disaster occurred on 22 September 1934 at Gresford Colliery, near Wrexham, when an explosion and underground fire killed 261 men. Gresford is one of Britain's worst coal mining disasters: a controversial inquiry into the disaster did not conclusively identify a…