The 3 Polish codebreakers Marian Rejewski, Jerzy Rozycki and Henryk Zygalski ‘Il y a du nouveau’ On 26 July 1939, in the Pyry Forest south of Warsaw, Polish cryptologists revealed...
...overall codename for the Allied invasion of occupied north-western Europe. After months of detailed planning, involving much discussion, a certain amount of friction between Allied military and civilian authorities, and...
...including the erection of the Berlin Wall in August 1961 and the Cuban missile crisis in October 1962. In addition, civil war in Laos and increasing tension between South and...
...reconnaissance aircraft over Soviet territory in May 1960, increasing superpower involvement in the conflict in Laos, and the failed CIA backed ‘Bay of Pigs’ invasion of Cuba in April 1961....
...government. You may also like: The National Archives blog Discussing all areas The National Archives is involved in: from historical research to latest technologies. FCDO blogs: global conversations. Latest updates...
...arrive and were often written in code in case they were stolen by foreign spies. When his conduct at the 1814 Congress of Vienna was later challenged in Parliament, Castlereagh...
...that symbolised their service to the war (Figures 3 and 4); a code of conduct (although this was not uniform across the counties), and faced disciplinary action for misdemeanours.[12] Whilst...
...Using a German code which he knew had been broken by the British, he transmitted the message ‘The British are now running France’. Unsurprisingly, the French intercepted it. In spring...
...Turing, without whom the Enigma code might never have been broken, the Second World War might not have been won so speedily, and many more lives would have been lost...
...sword to smite its enemies. Spreading the Revolution Initially focussed on internal opposition, the Cheka began very soon to send agents abroad to gather intelligence and promote revolution by covert...