cold war

1940's

Feb 4, 1945

cold war begins

1940's

Aug 6, 1945

United States first used atomic bomb in war

1940's

Aug 8, 1945

Russia enters war against Japan

1940's

Aug 14, 1945

Japanese surrender `ending world war II

1940's

Mar 8, 1946

Winston Churchill delivers Iron Curtai Speech

1940's

Mar 9, 1947

Truman declares active role in greek civil war

1940's

Jun 9, 1947

Marshall Plan is announced

1940's

Feb 9, 1948

Communist takeover in Czechoslovakia

1940's

Jun 24, 1948

Berlin Blockade begins

1940's

May 12, 1949

Berlin Blockade ends

1940's

Jul 1, 1949

NATO ratified

1940's

Sep 10, 1949

Mao Zedong, a Communist, takes control of China

1940's

Sep 11, 1949

Soviets explode first atomic bomb