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Breaking Enigma: A World War II Game Changer

Bletchley Park wartime code-breaking center. (undated photo)
APT
Bletchley Park wartime code-breaking center. (undated photo)

Premieres Wednesday, Nov. 5, 2025 at 8 p.m. on KPBS TV / KPBS+

The breaking of Germany's top-secret Enigma Code at Bletchley Park in the United Kingdom was one of World War II's biggest secrets, alongside the construction of the atomic bombs. Some historians estimate that deciphering the German military code shortened the war by two years and possibly saved 14 million lives.

BREAKING ENIGMA: A WORLD WAR II GAME CHANGER | Preview

Though the Enigma was deemed unbreakable, a British mathematician named Alan Turing spearheaded the initiative to achieve the impossible and succeeded unbeknownst to the German military.

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10 things to know about Alan Turing

Alan Turing az 1930-as években.
Public Domain
Alan Turing az 1930-as években.

Narrated by Keith Morrison of DATELINE and filmed on location in England and the United States, "Breaking Enigma: A World War Ii Game Changer" tells this heroic story in detail through a combination of interviews with historians, veterans and modern scientists.

Hut 1. On 2 Aug. 1939, war with Germany was imminent. Vulnerable in central London, GC&CS prepared to evacuate to its wartime home, Bletchley Park. Hut 1 was probably already in situ by April 1939.
Bletchley Park Trust
/
APT
Hut 1. On 2 Aug. 1939, war with Germany was imminent. Vulnerable in central London, GC&CS prepared to evacuate to its wartime home, Bletchley Park. Hut 1 was probably already in situ by April 1939.

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Credits: Distributed by American Public Television. Presented by WNED.

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