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House Un-American Activities Committee
Created to investigate alleged disloyalty and subversive activities on the part of private citizens, public employees, and those organizations suspected of having Communist ties. -
United Nations Formation
The Declaration was an accord between all nations fighting against the Axis Powers, promising not to form any other entangling alliances and that once the war was won, a formal peacekeeping organization would be officially established to actively take measures that would prevent hostile relations between its member countries. -
Yalta Confrence
Wrtime meeting of the heads of government of the United States, the United Kingdom, and the Soviet Union.Rspectively or the purpose of discussing Europe's postwar reorganization. -
Potsdam Confrence
On 16 July 1945, the "Big Three" leaders met at Potsdam, Germany, near Berlin. They discussed post-war arrangements in Europe. Future moves in the war against Japan were also covered. The meeting concluded early in the morning of 2 August. -
Truman Doctrine
The Truman Doctrine is the common name for the Cold War strategy of containment versus the Soviet Union and the expansion of communism. -
Marshall Plan
The Marshall Plan took form when U.S. Secretary of State George C. Marshall urged that European countries decide on their economic needs so that material and financial aid from the United States could be integrated on a broad scale. -
Berlin Airlift
Supply of vital necessities to West Berlin by air transport primarily under U.S. auspices. -
NATO Formation
12 nations established the North Atlantic Treaty Organization (NATO) to coordinate the military defenses of member nations against possible Soviet aggression. -
Era of McCarthyism begins
The period of McCarthyism began in the late 1940s and ended in the mid to late 1950s. McCarthyism came to be synonymous with the term witch-hunt, the act of making serious but unsubstantiated charges against people in public life. -
North Korean Invasion of South Korea
The North Korean invasion of South Korea caught the United States and the South Koreans themselves wholly by surprise, but they pulled through and succeeded. -
Rosenberg Executions
Julius and Ethel Rosenberg were Found guilty of relaying U.S. military secrets to the Soviets. The Rosenbergs were the first U.S. civilians to be sentenced to death for espionage. -
Armistice Signed Ending Korean War
The war began on 25 June 1950 and an armistice was signed to offically end the war. -
Warsaw Pact
The Pact spoke of peaceful intentions and defence. It precluded its members to participate in any other coalition or alliance but it assured members of immediate assistance, including the use of armed force, in the event of armed aggression. -
Sputnik 1 Launched
This was the launch the first human-made object to orbit the Earth, which demonstrated the viability of using artificial satellites to explore the upper atmosphere. -
First Man in Space
Russian cosmonaut Yuri Gagarin became the first human in space, making a 108-minute orbital flight in his Vostok 1 spacecraft. -
First American in Space
Mercury Astronaut Alan B. Shepard, Jr. blasted off in his Freedom 7 capsule atop a Mercury-Redstone rocket. His 15-minute sub-orbital flight made him the first American in space. -
Creation of the Berlin Wall
The Berlin Wall was a concrete barrier built by the German Democratic Republic that completely enclosed the city of West Berlin, separating it from East Germany, including East Berlin. -
First Man on the Moon
American Neil Armstrong became the first man to walk on the Moon.
