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was a meeting of British prime minister Winston Churchill, Soviet premier Joseph Stalin, and President Franklin D. Roosevelt early in February 1945 as World War II was winding down.
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President Franklin D. Roosevelt suddenly suffers a cerebral hemorrhage and dies, leaving his vice president, Harry Truman, to assume the presidency.
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he United Nations Charter is adopted in San Francisco, California, by representatives of 51 countries. This marks the founding of the UN.
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American scientists successfully test the first atomic bomb in New Mexico.
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a competition between nations for superiority in the development and accumulation of weapons, especially between the US and the former Soviet Union during the Cold War.
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The American bomber Enola Gay drops an atomic bomb nicknamed "Little Boy" on the Japanese city of Hiroshima. The instant devastation unleashed on Hiroshima shocks the world and ushers in the nuclear age
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The American plane Bockscar drops an atomic bomb nicknamed "Fat Man" on the Japanese city of Nagasaki.
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President Harry S. Truman presented this address before a joint session of Congress. His message, known as the Truman Doctrine, asked Congress for $400 million in military and economic assistance for Turkey and Greece.
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was an American initiative to aid Western Europe, in which the United States gave $13 billion in economic support to help rebuild Western European economies.
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At the end of the Second World War, U.S., British, and Soviet military forces divided and occupied Germany. Also divided into occupation zones, Berlin was located far inside Soviet-controlled eastern Germany.
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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.
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was started when North Korea invaded South Korea. The United Nations, with United States as the principal force, came to the aid of South Korea. China, along with assistance from Soviet Union, came to the aid of North Korea.
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was the leader of the Soviet Union from the mid-1920s until his death in 1953.
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known in Vietnam as Resistance War Against America or simply the American War, was a Cold War-era proxy war that occurred in Vietnam, Laos
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the united states u-2 spy plane was shot down while in Soviet airspace
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was a 13-day confrontation between the United States and the Soviet Union concerning Soviet ballistic missile deployment in Cuba.
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The Soviet–Afghan War lasted over nine years from December 1979 to February 1989. Insurgent groups fought against the Soviet Army and allied Afghan forces
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The 1987 Intermediate-Range Nuclear Forces (INF) Treaty required the United States and the Soviet Union to eliminate and permanently forswear all of their nuclear and conventional ground-launched ballistic and cruise missiles with ranges of 500 to 5,500 kilometers.
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the uniting of East and West Germany in 1990 after they had been separated since 1945. This followed the opening of the Berlin Wall in 1989 and then the collapse of the East German government.
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representatives from 11 Soviet republics (Ukraine, the Russian Federation, Belarus, Armenia, Azerbaijan, Kazakhstan, Kyrgyzstan, Moldova, Turkmenistan, Tajikistan and Uzbekistan) met in the Kazakh city of Alma-Ata and announced that they would no longer be part of the Soviet Union.
