-
↓
Fritz Strassmann and Otto Hahn discover the process of fission in uranium. -
↓
Once the findings were reported to Bohr, he reports on the Hahn-Strassman. This results into a meeting on theoretical physics in Washington D.C. -
↓
Albert Einstein alerts President Franklin D. Roosevelt on how important the research on chain reactions and the possibility that research might lead to developing powerful bombs. -
↓
Alexander Sachs discusses Einstein's letter with the President. Roosevelt decided to go with the plan and appoints Lyman J. Briggs head of the Advisory Committee on Uranium. -
↓
THe Uranium committee suggests that the government purchase graphite and uranium oxide for more fission research. -
↓
Franklin Roosevelt instructs Bush to find out if a bomb can be built and the cost of it. Bush then recieves permission to explore construction needs with the army. -
↓
Japan Attacks Pearl Harbor -
↓
Scientist develop the first self-sustained nuclear chain reaction in Chicago. -
↓
President Roosevelt approces detailed plans for building production facilities and producing atomic weapons. -
↓
Bomb design begins at the place of Los Alamos. -
↓
Bomb models are soon tested. -
↓
Churchhill and Roosevelt meet in Hyde Park to sign an Aide Memoire. When they signed this, it meant that they pledged to continue bilateral research on atomic technology. -
↓
Tokyo is soon firebombed. This resulted in 100,000 casualties. -
↓
Tokyo is firebombed again. This resulted in 83,000 casualties. -
↓
Chiang Kai-Shek, Clement Atlee, and Truman issue the Potsdam Proclamation to the Japanese. This was a calling for Japan to surrencer unconditionally. -
↓
The Japanese refuse to surrender and the 509th Composite Group is ordered to attack Japan with an atomic bomb after August 3. -
↓
The gun model uranium bomb is dropped on Hiroshima. President Truman then announcese the raid to the Amercian Public. -
↓
The implosion model plutonium bomb is soon dropped on Nagasaki. -
↓
Japan Surrenders -
↓
Japan then signs the articles of surrender aboard the U.S.S. Missouri.
