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Roosevelt Dies, Truman Assumes Presidency
April 12, 1945 - President Roosevelt dies suddenly; Vice President Harry S. Truman assumes the presidency and role as commander in chief of World War II. -
Bombing of Hiroshima
August 6, 1945 - President Harry S. Truman gives the go-ahead for the use of the atomic bomb with the bombing of Hiroshima. Three days later, the second bomb is dropped on Nagasaki, Japan. On August 15, Emperor Hirohito of Japan surrenders. -
First Meeting of United Nations (After its Founding in 1945)
January 10, 1946 - The first meeting of the United Nations general assembly occurs after its founding on October 24, 1945 by fifty-one nations, including the Security Council nations of China, France, the Soviet Union, the United Kingdom, and the U.S.A. These actions would lead to the disbanding of the League of Nations on April 18, when its mission was transferred to the U.N. -
U.S. Gives the Phillipines Their Independence
The island nation of the Philippines is given their independence by the United States. This ends four hundred and twenty-five years of dominance by the west. -
Truman Doctrine is Announced to Congress
March 12, 1947 - The Truman Doctrine is announced to the U.S. Congress. When passed it would grant $400 million in aid to Greece and Turkey to battle Communist terrorism. President Harry S. Truman implements the act on May 22. -
Secretary of State George C. Marshall Proposes Aid Extension to European Nations for War Recovery
June 5, 1947 - Secretary of State George C. Marshall proposes aid extension to European nations for war recovery, known as the Marshall Plan, which would lead to Congressional approval of $12 billion over the following four years. -
Soviet Union Begins its Blockade of Allied Sectors of Berlin
April 1, 1948 - The Soviet Union begins its land blockade of the Allied sectors of Berlin, Germany. A counter blockade by the west was put into effect, as well as a British and U.S. airlift of supplies and food, until both blockades were lifted on September 30, 1949. -
Executive Order 9981- Ending Segregation in the Military
July 26, 1948 - Executive Order 9981, ending segregation in the United States military, is signed into effect by President Harry S. Truman. -
NATO is Formed
April 4, 1949 - NATO, the North American Treaty Organization, is formed by the United States, Canada, and ten Western European nations (Belgium, Denmark, France, Iceland, Italy, Luxembourg, Netherlands, Norway, Portugal, United Kingdom). The treaty stated that any attack against one nation would be considered an attack against them all. -
Korean War Begins
June 25, 1950 - The Korean War begins its three year conflict when troops of North Korea, backed with Soviet weaponry, invade South Korea. This act leads to U.S. involvement when two days later, the United States Air Force and Navy are ordered by President Truman to the peninsula. On June 30, ground forces and air strikes are approved against North Korea.