AP World Timeline By mayaboles Jan 1, 1912 Mao Zedong and The Republic of China Jul 1, 1937 Japan's Invasion on China Sep 1, 1939 Germany Invades Poland Jul 1, 1940 Battle of Britain Sep 27, 1940 Tripartite Pact Jan 10, 1941 Lend-Lease Act Sep 1, 1941 Leningrad Blockade Dec 7, 1941 Pearl Harbor Attack Jun 3, 1942 Battle of Midway Jun 20, 1942 Wansee Conference Feb 4, 1945 Yalta Conference Apr 30, 1945 Hitler's Suicide May 8, 1945 VE Day Jul 17, 1945 Potsdam Conference Aug 6, 1945 Bombing of Hiroshima and Nagasaki Sep 2, 1945 VJ Day Oct 24, 1945 Formation of U.N. Mar 12, 1947 Truman Doctrine Apr 1, 1948 Marshall Plan Apr 4, 1949 NATO Jun 28, 1950 Korean War Mar 5, 1953 Stalin's Death May 14, 1955 Warsaw Pact Nov 1, 1955 Vietnam War Oct 4, 1957 Sputnik Apr 17, 1961 Bay of pigs Aug 12, 1961 Berlin Wall Oct 1, 1962 Cuban Missile Crisis Dec 25, 1991 Fall of the Soviet Union