Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3756
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, North America, South Asia
Countries China, Denmark, England, Formosa, France, Germany, Holland, India, Italy, Japan, Netherlands, Norway, Russia, Singapore, Soviet Union, Sweden, Switzerland, United States of America
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Karl Dönitz, Heinrich Himmler, Adolf Hitler, Desmond Morton, Benito Mussolini, Joachim von Ribbentrop


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 on Germany: that U-boats are to cease hostilities and return to base, and hostilities towards the west are to cease, on May 5; that Himmler orders the release of the King of the Belgians and his family and that they will journey to Switzerland, on May 6; and that Frank is unable to go to Flensburg because of an armed uprising in Prague, on May 5; on East Europe: that the Commander in Chief (C-in-C) of the Army in East Prussia depends on keeping Denmark open, on May 4; and that an enemy breakthrough was prevented, on May 5; on South-east Europe: that Army Group Ostmark is to report on how it can support the C-in-C for the Southeast as he fights back to the Klagenfurt-Radkersburg line, on May 5; on France: that the fortress at La Rochelle declines to surrender and expects an attack, on May 4; from the German Legation in Berne, describing Swiss horror at the news of concentration camps, and an attack on German foreign policy, on May 1; from the Japanese minister in Berne, on the situation of the German political leadership, on May 2; and he suggests caution in the marking of the deaths of Hitler and Mussolini, on May 2; from the French ambassador in Moscow, that the ambassador was denied access by the Soviets to liberated French prisoners, noting similar problems for the British, and he recommends retaliatory measures in France, on April 29; from the German Embassy in Madrid, on a Spanish request for information on the German situation, and on the Anglo-U.S. rivalry with the Soviets, on May 1; from the German Consulate in Shanghai, on defences against an Allied landing being strengthened, on May 1; the Embassy in Tokyo reports on Japan's determination to continue the war, on May 2; and Naval Headlines.


German U-boats, armistice, collapse of Nazi Germany, royalty, German strategy, food supplies, civil unrest, Nazi-occupied Europe, military strength, German army, predicting enemy intentions, diplomatic intelligence, public opinion, concentration camps, propaganda, politicians, German government, naval intelligence

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