Before Chernobyl, Britain faced a terrifying nuclear fire at Windscale in 1957.

The Forgotten First Major Public Nuclear Disaster · 45:24 · Video: Today I Found Out · Watch at the source

In short: Long before the world focused on Three Mile Island or Fukushima, a reactor fire in Cumbria threatened to blanket the English countryside in radioactive fallout. This video explores the Windscale Fire, a pivotal but often overlooked event in the history of the Nuclear Age.

On October 10, 1957, a reactor at Windscale in Cumbria caught fire. This accident occurred during the early years of the Nuclear Age, predating more famous disasters. The blaze posed a significant risk, with the potential to contaminate hundreds of square kilometres of the surrounding English landscape with radioactive material.

While the United Kingdom is often overlooked in nuclear history, it played a foundational role in the field. British scientists such as William Penney, Rudolf Peierls, and John Cockcroft were essential to the Manhattan Project. By October 3, 1952, Britain had established itself as the third nuclear-armed nation, eventually maintaining a Cold War deterrent force of V-Bombers and later, Vanguard-class submarines.

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