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1 January 1942, during the Second World War, the United Nations are created when representatives of 26 nations pledged their Governments to continue fighting together against the Axis Powers.
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The Yalta Conference took place in a Russian resort town in the Crimea from February 4-11, 1945, during World War Two. At Yalta, U.S. President Franklin D. Roosevelt, British Prime Minister Winston Churchill, and Soviet Premier Joseph Stalin made important decisions regarding the future progress of the war and the postwar world.
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On 16 July 1945, the "Big Three" leaders met at Potsdam, Germany, near Berlin. In this, the last of the World War II heads of state conferences, President Truman, Soviet Premier Stalin and British Prime Ministers Churchill and Atlee discussed post-war arrangements in Europe, frequently without agreement. Future moves in the war against Japan were also covered. The meeting concluded early in the morning of 2 August.
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Marshall with expertise provided by George Kennan, William Clayton and others crafted the Marshall Plan concept, which George Marshall shared with the world in a speech on June 5, 1947 at Harvard. It was intended to help countries in Europe that where hurt during World War II
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The Berlin Blockade was from 24 June 1948 to 11 May 1949. It began when the Soviet Union blocked railway and road access by the three Western powers (the Americans, British, and French) to the Western-occupied sectors of Berlin. The Blockade stopped after the Western powers used aeroplanes to airlift food and other things that people needed.
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In 1949, the prospect of further Communist expansion prompted the United States and 11 other Western nations to form the North Atlantic Treaty Organization (NATO).
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At a remote test site at Semipalatinsk in Kazakhstan on Aug 29, 1949 the USSR successfully detonates its first atomic bomb, code name "First Lightning."
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The communists led by Mao Zedong gradually gained control of China and on the 1st October, 1949, Mao announced the establishment of People's Republic of China.
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On June 25, 1950 North Korea issued a surprise attack on South Korea. Which was occupied by the US at the time.
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On June 27, 1950, President Harry S. Truman announces that he is ordering U.S. air and naval forces to South Korea to aid the democratic nation in repulsing an invasion by communist North Korea.
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In the final armistice agreement, signed on 27 July 1953, a Neutral Nations Repatriation Commission was set up to handle the matter.
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on October 4, 1957,the Soviet Union successfully launched Sputnik I. The world's first artificial satellite was about the size of a beach ball
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During the Cuban Missile Crisis, leaders of the U.S. and the Soviet Union engaged in a tense, 13-day political and military standoff in October 1962 over the installation of nuclear-armed Soviet missiles on Cuba, just 90 miles from U.S. shores.