Diary January 17, 1940

German Enigma
The German military electromechanical rotor cipher machine ‘Enigma’.
Wednesday, January 17, 1940

Secret War

Polish cryptographers in France break Luftwaffe Enigma key of October 28, 1939. Regular decoding now possible.

Finland

Winter War: Finns recapture Kursu, southwest of Salla.

Oval@3x 2

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