Mass panic and hysteria swept the United States on the eve of Halloween in 1938, when an all-too-realistic radio dramatisation of The War of the Worlds sent untold thousands of people into the streets or heading for the hills.
The radio show was so terrifying in its accounts of invading Martians wielding deadly heat-rays that it is remembered like no other radio programme.
Or, more accurately, it is misremembered like no other radio programme.
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