Mining accident Wikipedia
May 28, 1965: Dhanbad coal mine disaster took place in Jharkhand, India, killing over 300 miners. May 17, 1965: Cambrian Colliery in South Wales, 31 died. October 21, 1966: Aberfan disaster was a catastrophic collapse of a colliery spoiltip that occurred in the Welsh village of Aberfan, killing 116 children and 28 adults.