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Splitting the Atom
Enrico Fermi became the first physicist to split the atom. -
Albert Einstein's Letter
Albert Einstein sends a letter to Franklin Roosevelt, warning him that German researchers are working on an atomic bomb. -
The Manhattan Project
President Roosevelt signed an order creating a secret project to develop the nuclear weapon. -
Nuclear Chain Reaction
Enrico Fermi demonstrated the first nuclear chain reaction in a lab under the squash court at the University of Chicago. -
Atomic Bomb Tested
The United States exploded the first atomic device at a site near Alamogordo, New Mexico. At 5:30 am, July 16, 1945. -
Bomb Dropped on Heroshima
The United States drops an atomic bomb on Heroshima Japan. -
Bomb dropped on Nagasaki
On this date another B-29 bomber, Bock's car, dropped fat man on Nagasaki Japan