1939 : August : Nazi-Soviet Pact 1938 : April: Sudetenland crisis 1939 : 1 Sept – 6 October : German invasion of Poland 1940 : 20 May – 3 June : Dunkirk 1940 : July : Guilty men 1940 : 10 July – 31 October : Battle of Britain 1940 : 7 September 1940 – 21 May 1941: Blitz 1941 : March : Lend-Lease 1941 : December : attack on Pearl Harbour 1942 : November : Beveridge report 1944 : Education act – Butler act 1945 : 4 –11 February : Yalta Conference 1945 : April : Roosevelt’s death + Truman president 1945 : 17 July – 2nd August : Potsdam conference 1945 : 6 August : 1st A-bombing Hiroshima 1945 : 9 August : A-bomb Nagasaki 1945 : 14 August : Japanese surrender 1946 : 5 March : Iron Curtain’s speech 1947 : 12 March : Truman doctrine 1947 : June : Marshall Plan 1947 : September: Cominform 1948 : February - March : Czechoslovakia turned Communist 1948 : 5 July : National Health Service (NHS) 1949 : January : Comecon (Council for Mutual Economic Assistance) 1949 : June 1948 – May 1949: The Berlin blockade + airlift 1949 : 4 April : North Atlantic Treaty Organization (NATO) 1949 : August – November 1989: German Federal Republic – West Germany 1949 : October – November 1989: German Democratic Republic – East Germany 1949 : August : 1st Russian A-bomb