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Gill Bennett

Formerly Chief Historian of the Foreign and Commonwealth Office and Senior Editor of the FCO’s official history of postwar foreign policy, Documents on British Policy Overseas, 1995-2005. She was a Visiting Fellow at Corpus Christi College, Cambridge, 2002-03 and formerly Assistant Editor of Documents on British Foreign Policy 1919-1939.

What’s the context? Polish cryptologists reveal they have cracked the Enigma code, 26 July 1939

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The three Polish codebreakers Marian Rejewski, Jerzy Rozycki and Henryk Zygalski

On 26 July 1939, in a forest near Warsaw, Polish code breakers told their British colleagues how they had cracked the German Enigma code. As war against Nazi Germany approached, the meeting symbolised the importance of political, as well as intelligence co-operation in the struggle ahead.

What’s the context? 4 April 1949: signature of the North Atlantic Treaty

Map of the world with NATO member countries highlighted, which are the 29 countries of NATO

NATO remains the cornerstone of Western security. But as it celebrates its 70th birthday, it is worth remembering the part played in the negotiations by other regions such as Latin America, Africa and the Asia-Pacific.

What’s the context? 31 March 1939: the British guarantee to Poland

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Hitler and Neville Chamberlain

On 31 March 1939 Neville Chamberlain committed Britain to defending Polish independence. After years of trying to preserve peace and buy time for rearmament, he recognised that international developments and domestic opinion meant this guarantee was necessary, though it was to mean war with Germany 6 months later.

What’s the context? The resignation of Anthony Eden, 20 February 1938

...free hand in Eastern Europe and Russia and for territorial changes brought about by force; both accepted that conflict with Hitler’s Nazi Germany was probably inevitable, but that delaying that...

What’s the Context? 20 December 1917: formation of the Cheka, the first Soviet security and intelligence agency

‘The Soviets would not last two days without the activities of the Cheka, but with the Cheka, the Soviet State was safe’: Vladimir Ilyich Lenin Defending the Revolution Before the October Revolution in 1917 that put the Bolsheviks in power …

What’s the Context? US President announces the ‘Truman Doctrine’, 12 March 1947

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Truman Doctrine

...on India, against a backdrop of inter-communal rioting, following the announcement in February that Britain would transfer power to an Indian government no later than June 1948. Problems remained in...