January 1933Enigma MachineMarian Rejewski
Uses the reconstructed machine and recovered daily settings to read German military Enigma traffic.
Historical records for Poland in 1933, rendered directly from the World History Database and ordered by month, day and event.
Uses the reconstructed machine and recovered daily settings to read German military Enigma traffic.
Helps AVA begin production of military Enigma replicas for Polish cryptanalysts.
Works through AVA to build Polish replicas of the military Enigma for the Cipher Bureau.
Appointed Prime Minister of Poland
Appointed Ambassador of Germany
Establishes a major result connecting topology, geometry and combinatorics.
Birth of Roman Polanski
Proves that continuous maps from a sphere identify some antipodal pair.
Directs the Polish Cipher Bureau German section as regular exploitation of Enigma develops.
Develops the clock method for identifying the fast rotor used in Enigma messages.
Publishes a theory of probability
This page is generated from stored World History Database records matching the exact country and year shown above. Exact duplicate display records are collapsed. Records without a month are listed after the monthly sections. Source provenance varies by record; formal academic citation should be checked against the relevant primary source, archive or specialist historical reference.