Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2007
Conflicts Second World War
Themes Foreign Policy and International Relations
Regions East Asia, Europe, Latin America, Mediterranean, North America
Countries Brazil, Bulgaria, Corsica, Denmark, England, France, Germany, Great Britain, Hungary, Italy, Portugal, Russia, Sweden, Switzerland, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Alexander Cadogan, Charles de Gaulle, Adolf Hitler, Benito Mussolini, Erwin Rommel


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 correspondence: from the Code and Cypher School (CSS) to and from Washington, 5 telegrams about the service of signals intelligence to the Prime Minister (PM), from September 12-14; an analysis of the service, 2 sheets that are undated (Secret Intelligence Service [SIS] material on the backs is being checked with London, and is probably not releasable); from the French liaison mission in London to General de Gaulle, from M Benes on U.K.-U.S. negotiations with the Soviets, on September 7; from the Brazilian ambassador in London, describing the reaction to Italy's surrender and U.K.-U.S. relations with the Soviet Union, on September 9; from the Turkish charg� in Moscow, that the Allies are to hold a three-power conference in Cairo, on September 8; from the CSS to Washington, instructions about the signal intelligence service to the PM, on September 10-11; from the Japanese ambassador in Berlin, that the death of King Boris of Bulgaria is a blow to Hitler, on the German take-over in Denmark, and on German-Italian relations, from September 2; from the German Ministry of Foreign Affairs in Berlin to all stations, stating the unconditional surrender of Italy, that the Italian fleet is to be surrendered to the Allies, and that German forces are securing Italy, southern France and Dalmatia, on September 9; from the CSS to Washington, the signals intelligence service for the PM, on September 9; from the Japanese ambassador in Berlin, on a re-shuffle of personnel in the German Ministry of the Interior and an impending reorganisation of industrial production under Speer, on September 2; and from the Japanese ambassador in Rome, on Italy after the collapse of Fascism, on September 2.


information sharing, collapse of Fascist Italy, Italian government, surrender, Hungarian foreign policy, German foreign policy, Portuguese foreign policy, Anglo-Soviet relations, health, royalty, Bulgarian foreign policy, Bulgarian politics, occupation arrangements, civil unrest, occupied Denmark, German strategy, Eastern Front, armistice, Italian navy, German government, contingency planning, German war effort, diplomatic intelligence

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