By the time Soviet troops were withdrawn from Afghanistan in 1989, it had become one of the CIA’s longest and most expensive covert operations.

In what Kenneth Arnold later complained was an ‘historic misquote’, the press coined the now-ubiquitous phrase ‘flying saucers’ to describe the UFOs.

400,000 women saw their doctors to obtain Enovid contraceptive prescriptions in the first year.

Historians have since questioned the convictions, which saw ten men hanged for murder – six in the prison at Pottsville, and four at Mauch Chunk in Carbon County.