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House Un-American Activities Committee formed
A committee of the U.S. House of Representatives, created to investigate disloyalty and subversive organizations. -
United Nations formation
The Declaration by United Nations is a document that pledged their governments to continue fighting together against Nazi Germany and Japan during the Second World War. -
Yalta Conference
The conference was held in Yalta in the Crimea. With Soviet troops in most of Eastern Europe, Stalin was in a strong negotiating position. Roosevelt and Churchill tried hard to restrict post-war influence in this area but the only concession they could obtain was a promise that free elections would be held in these countries. -
Potsdam Conference
Was a meeting (July 17–Aug. 2, 1945) of the principal Allies in World War II to clarify and implement agreements previously reached at the Yalta Conference. -
Truman Doctrine
Harry S. Truman, announced details of what eventually became known as the Truman Doctrine. In his speech he pledged American support for "free peoples who are resisting attempted subjugation by armed minorities or by outside pressures". -
Marshall Plan
Opens aid to other countries, when ever they needed help. -
Berlin Airlift
The Soviets halted a US Military Supply Train and refused it In a final move to spurn the Americans, British, and French out, on June 24, 1948, all land and water access to West Berlin was cut off by the Soviets. -
NATO formation
As a consequence, in April 1949, in accordance with the United Nations Charter, 12 nations established the North Atlantic Treaty Organization to coordinate the military defenses of member nations against possible Soviet aggression. -
Era of McCarthyism begins
McCarthyism is the politically motivated practice of making accusations of disloyalty, subversion, or treason without proper regard for evidence. -
North Korean Invasion of South Korea
After being retaken from Japan, Korea was split into two countries. North Korea as looked after by the Soviet Union. The United States was responsible for assisting South Korea. Within days the South is all but defeated. -
Rosenberg Execution
Julius Rosenberg and Ethel Greenglass Rosenberg were American communists who were executed for conspiracy to commit espionage. The charges related to passing information about the atomic bomb to the Soviet Union. -
Armistice Signed Ending Korean War
This Armistice Agreement that sought to stop the Korean War and insure a complete cessation of hostilities and all acts of armed force in Korea until a final peaceful settlement could be achieved. -
Sputnik 1 Launched
Sputnik launched. Satellite was first to leave Earth’s atmosphere. -
First Man in space
NASA Yuri Gagarin was the first man in space. Laungiing to orbit aboard the Vostok 3KA-3 (Vostok 1) -
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. -
First Man on the Moon
The Apollo 11 mission landed on the moon. But Neil Armstrong was the first man to be on the moon. -
First Man On The Moon
Apollo 11 lands Neil Armstrgon the first man on the moon. -
First American in space
Neil Armstrong and Edwin Eugene Aldrin (Buzz) became the first humans to walk on the Moon, while Collins orbited in the Command Module. -
Warsaw Pact formation
The Warsaw Pact alliance of the East European socialist states is the nominal counterweight to the North Atlantic Treaty Organization (NATO) on the European continent. The Warsaw Pact does not have an independent organizational structure but has part of the Soviet Ministry of Defense.
