Cold War By fchristiecsi Oct 1, 1917 October Revolution in Russia- Communist regime Period: Oct 1, 1917 to Jan 21, 1924 Leninist U.S.S.R. Jan 21, 1924 Death of Lenin- Stalin comes to power Period: Jan 21, 1924 to Mar 5, 1953 Stalinist U.S.S.R. Jan 20, 1933 Hitler becomes Chancellor of Germany Period: Jan 20, 1933 to Apr 30, 1945 Hitler in power in Germany Jan 1, 1935 Nuremberg Treaties Period: Sep 1, 1939 to Sep 2, 1945 World War 2 Feb 4, 1945 Yalta Conference begins Period: Feb 4, 1945 to Feb 11, 1945 Yalta Conference Jul 17, 1945 Beginning of Potsdam Conference Period: Jul 17, 1945 to Aug 2, 1945 Potsdam Conference Aug 6, 1945 Atomic Bomb dropped on Hiroshima (Japan) Aug 19, 1946 Churchill delivers his "Iron Curtain" speech Mar 12, 1947 Truman doctrine Jun 5, 1947 Marshall Plan announced at Harvard University Feb 1, 1948 Communists take over Czechoslovakia Jun 24, 1948 1st Berlin Crises Period: Jun 24, 1948 to May 12, 1949 1st Berlin Crises Jul 1, 1949 NATO created Period: Jun 1, 1950 to Jul 1, 1953 Korean War May 14, 1955 Warsaw Pact established Period: Oct 23, 1956 to Nov 10, 1956 Hungarian Uprising Jan 1, 1961 Second Berlin Crisis Jan 1, 1962 Cuban Missile Crisis