-
The Manhattan Project was a code name for the project of development the first atomic bomb created in New Mexico during WWII. Its creation was caused by Americans fearing that Germany was already working on nuclear weapons since the 1930s.
-
Franklin D. Roosevelt swore-in as president of the United States of America for is fourth term.
-
The U.S president, Franklin D. Roosevelt, the British Prime Minister, Winston Churchill, and Soviet Premier, Joseph Stalin, met to discuss the post-war fate of the defeated Germany and the rest of Europe. It was located in the city of Yalta and lasted from February 4-11.
-
On April 12th, 1945, President Roosevelt suddenly dies from a stroke. Vice President Harry S. Truman take Roosevelt's place and remains the commander in chief of WWII.
-
President Truman authorizes the uses of atomic bombs in WWII. the first bomb was dropped on Hiroshima and the second bomb was dropped three days later onto Nagasaki, Japan.
-
The U.S. Senate approves the entry of the U.S. into the United Nations by the vote of 65-7.
-
President Truman signs the National Security Act of 1947 creating the Central Intelligence Agency, the Department of Defense, the Joint Chiefs of Staff, and the National Security Council.
-
Congress passes the Marshal Plan, which gives post-war Europe $15 billion in aid in order to help the recovery of European countries.
-
Harry S. Truman swore-in as president for his second term.
-
The Soviet Union created its first atomic bomb in 1949 and as a result, President ordered the development of the Hydrogen bomb in 1950. In 1953, President Truman announced that the Hydrogen Bomb was created.
-
The amendment limits the Presidents to only serving two terms.
-
Dwight D. Eisenhower becomes the 34th President of the United States, which brings Harry S. Truman's presidency to an end.
-
The U.S conducts its first and only testing of nuclear weaponry at the Nevada Test Site.