ww2 and coldwar timeline By dominikmolotky Period: Jan 1, 1939 to Jan 1, 1960 WWII and Cold War Aug 23, 1939 Non-Aggression Pact Sep 1, 1939 Poland Invaded/WWII Begins Dec 7, 1941 Japan Attacks Pearl Harbor Aug 23, 1942 Battle of Stalingrad Nov 8, 1942 Operation Torch. Invasion of North Africa Jun 6, 1944 D-Day Feb 4, 1945 Yalta Conference Jul 17, 1945 Potsdam Conference Aug 6, 1945 U.S. Drops Atomic Bomb on Hiroshima Oct 24, 1945 Creation of the United Nations Feb 22, 1946 The Long Telegram Apr 3, 1948 Marshall Plan Jun 24, 1948 Berlin Airlift Apr 4, 1949 The Creation of NATO Jun 25, 1950 Korean War Oct 4, 1957 Sputnik Launched May 1, 1960 U2 Incident