Enigma and the Codebreakers

Find out about codes in wartime, how they were used and how the German Enigma code was broken during the Second World War.

Follow the arrows to make the journey from the earliest codes used in ancient Greece to the code-breakers at Bletchley Park.


Enigma home

Codes in wartime

Making codes

Codes and ciphers

Breaking codes

Codes in history

Morse code

The Enigma Machine

The U-boat threat

Inside a 'Y' Station

Bletchley Park


Code books



The code-breakers' legacy

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