The British Premonitions Bureau was set up by the psychiatrist John Barker in 1966 in the wake of the Aberfan disaster. Its aim was to collect premonitions from members of the public in the hope of being able to issue warnings about similar tragedies in the future.
Sixty-four people, mainly children, were drowned in the River Don in Masbrough, Yorkshire, on 5 July 1841 when the launch of a boat went wrong.
The Bedford Colliery disaster occurred on Friday 13 August 1886 when an explosion of firedamp caused the death of thirty-eight miners at Bedford No.2 Pit in Leigh, on the Lancashire Coalfield.
The Huskar Pit disaster occurred on 4 July 1838 when twenty-six boys and girls who were working underground were drowned by an overflowing stream.
Mining disasters in Lancashire in which five or more people were killed occurred most frequently in the 1850s, 1860s and 1870s.