The February 1945 Yalta Conference was the second wartime meeting of British Prime Minister Winston Churchill, Soviet Premier Joseph Stalin and U.S. President Franklin D. Roosevelt. During the conference, the three leaders agreed to demand Germany's unconditional surrender and began plans for a post-war world
The Marshall Plan was an American initiative that was announced in 1947 on the steps of Memorial Church in Harvard Yard and was passed in 1948 to aid Western Europe, in which the United States gave over $12 billion in economic assistance to help rebuild Western European economies after the end of World War II.
The Berlin Blockade was an attempt in 1948 by the Soviet Union to limit the ability of France, Great Britain and the United States to travel to their sectors of Berlin, which lay within Russian-occupied East Germany.
The Warsaw Pact, formally known as the Treaty of Friendship, Cooperation and Mutual Assistance, was a collective defence treaty signed in Warsaw, Poland between the Soviet Union and seven Eastern Bloc satellite states of Central and Eastern Europe in May 1955, during the Cold War.
On October 4, 1957, the Soviet Union launched the earth's first artificial satellite, Sputnik I. The successful launch came as a shock to experts and citizens in the United States, who had hoped that the United States would accomplish this scientific advancement first.
The Berlin Wall was a guarded concrete barrier that physically and ideologically divided Berlin from 1961 to 1989.