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Manhattan Project
The University of Chicago in the Manhattan project created the first ever nuclear chain reaction. This was the creation of fission of the Uranium U-235 atom. -
GI Bill of Rights
Providing numerous benefits to veterans, the GI Bill of Rights was signed into law. This was originally established to help aid with returning World War II veterans. -
FDR Death/ President Harry S.Truman
During his fourth term, President Franklin D. Roosevelt dies suddenly, leaving the Presidency to his vice, Harry S. Truman. Harry S. Truman was in office when World War II ended. -
Atomic Bomb
The United States dropped the first atomic bomb on Hiroshima. This was to get Japan to surrender and put an end to WWII. When they did not comply, three days later, another atomic bomb was dropped on Nagasaki. -
United States enters United Nations
The US Senate voted for the United States entry into the United Nations. America's earl involvement was crucial to the establishment of the UN. -
CIA
President Harry S. Truman, during the Cold War, established the Central Intelligence Agency. Along with this, the Department of Defense, Joint Chiefs of Staff, and National Security Council were formed. -
Marshall Plan
Harry S. Truman signed the Marshall Plan, approving $15 billion worth of aid to foreign countries. Also known as the European Recovery Plan, this was designed to administer aid after the devastating effects of World War II. -
Hydrogen Bomb
Under the very successful Truman Presidency, the development of the first ever hydrogen bomb was complete. This was brought about in response to the Soviet Union's first atomic bomb and the possible threat of nuclear warfare. -
Dwight D. Eisenhower President
Dwight D. Eisenhower became the 34th President of the United States. This position was easily achieved thanks to his great performance during World War II as 5-star general.
