Permanent historical factsheet

Enigma Machine

France · Warfare / World War, 2nd. Chronological records rendered directly from the World History Database.

4Records
1931–1939Date range
2Named people
2Places

Chronological records

1931

Gustave BertrandOctober 1931

Warfare / World War, 2nd

Receives German Enigma documents obtained through French intelligence and makes them available to allied cryptanalytic partners.

Rodolphe LemoineOctober 1931

Warfare / World War, 2nd

Acts as the French intelligence contact for Hans-Thilo Schmidt, whose documents become crucial to early attacks on military Enigma.

1939

Gustave BertrandJanuary 1939

Paris · Warfare / World War, 2nd

Takes part in the January Paris discussions linking French, Polish and British Enigma work.

Gustave Bertrand25 July 1939

Pyry · Warfare / World War, 2nd

Helps coordinate the Pyry exchange in which Poland shares its Enigma breakthrough with France and Britain.

Names involved

Gustave BertrandRodolphe Lemoine

Provenance

This factsheet is generated from stored World History Database records matching the country, broad category, detailed category and exact Event value shown above. Duplicate display records are collapsed; database wording is otherwise preserved. Source provenance varies by record, so formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.