Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/320
Conflicts Second World War
Themes Foreign Policy and International Relations
Regions Africa, East Asia, Europe, Latin America, North America, South Asia
Countries Chile, England, Germany, India, Italy, Japan, Togo, United States of America, Uruguay
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges


A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file includes the following reports: that the Japanese ambassador in Berlin has arranged the signing of the Three Power Pact on December 11; that amendments to the treaty were sent from Tokyo to the ambassador in Berlin on December 9; and a report from the Japanese minister in Santiago on an interview with the Chilean Foreign Minister and his fear of Anglo-U.S. machinations on December 1.


diplomatic officials, Axis powers, treaties, alliances, Axis war aims, Japanese foreign policy, American intelligence services, foreign policy, trade, diplomacy, American foreign policy

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