atomic bomb By Ben_aaaaaaaa Jan 1, 1938 In Berlin, Germany Otto Hahn, Lise Meitner and Fritz Strassman discovered nuclear fission. https://www.history.com/topics/world-war-ii/atomic-bomb-history https://www.nobelprize.org/prizes/chemistry/1944/hahn/biographical Jan 1, 1940 Albert Einstein brings the idea of the atomic bomb to the U.S.A. https://www.nobelprize.org/prizes/physics/1921/einstein/biographica Dec 28, 1942 President Roosevelt authorized the manhattan project https://www.history.com/topics/world-war-ii/atomic-bomb-history https://www.britannica.com/biography/Franklin-D-Roosevelt Jul 16, 1945 The first atomic bomb was detonated at los alamos New Mexico https://www.history.com/topics/world-war-ii/atomic-bomb-history Jul 26, 1945 The Potsdam Conference ask for Japans surrender or faces destruction https://www.history.com/topics/world-war-ii/atomic-bomb-history Aug 6, 1945 The U.S.A Dropped the first nuclear bomb on hiroshima the "little Boy" https://www.history.com/topics/world-war-ii/atomic-bomb-history Aug 9, 1945 They dropped the second atomic bomb the "Fat Man" on nagasaki https://www.history.com/topics/world-war-ii/atomic-bomb-history Aug 14, 1945 Japan formally surrenders after the bombings https://www.history.com/topics/world-war-ii/atomic-bomb-history Jan 1, 1946 America forms the atomic energy commission https://www.history.com/topics/world-war-ii/atomic-bomb-historyhttp://large.stanford.edu/courses/2017/ph241/mccall1/ Jan 1, 1946 Lyndon B. Johnson allows privet ownership of nuclear materials https://www.history.com/topics/world-war-ii/atomic-bomb-history