Cold war timeline By JET048 Aug 6, 1945 America drops the first atomic bomb Name of bomb "little boy" Aug 8, 1945 Russia declares war on Japan Aug 9, 1945 America drops second atomic bomb Name is "Fat man" Aug 14, 1945 Japanse surrender, end of World War 2 Sep 1, 1945 Japan and Germany are defeated World War 2 ends. Japan and Germany are defeated Period: Sep 1, 1945 to Jan 1, 1991 Cold War Feb 9, 1946 Stalin speaks and preform a hostile speech Mar 10, 1946 Truman demands Russia leaves Iran Feb 25, 1948 Communists take over Czechoslovakia Apr 4, 1949 NATO ratified May 12, 1949 Berlin Blockade ends Aug 29, 1949 Russia tests first atomic bomb Oct 1, 1949 People's Republic of China Communist Mao Zedong takes control of China and establishes PRC Jun 24, 1950 Korean war begins Mar 29, 1952 A-bombs developed by Britain Jul 29, 1953 Korean war ends May 29, 1955 Warsaw pact formed Jan 31, 1957 Explorer 1 is lauched Oct 4, 1957 Sputnik lauched into orbit Mar 29, 1960 A-bombed developed by France Nov 29, 1960 John F. Kennedy elected President of The USA Aug 13, 1961 Berlin border closed Jul 25, 1963 Nuclear test ban treaty ratified Nov 29, 1963 John F. kennedy is assassinated Oct 29, 1964 A-bombs developed by china Jul 29, 1968 Soviet army crushes the czechoslovkia revolt Jul 20, 1969 Apollo 11 lands on the moon Aug 29, 1974 President Nixon resigns Sep 29, 1980 Hungary independent Jun 26, 1989 Poland becomes independent Dec 25, 1989 Communist falls in Czechoslovokia Oct 3, 1990 Germany reunites