-
Chem Case Otto Hahn and Fritz Strassmann discover the process of fission in uranium.
-
U.S HistoryA letter written by Einstein warning president Franklin D. Roosevelt that the element uranium could undergo nuclear fission, thus relasing a huge amount of energy. Einstein stated that Germany would try to pursue creating massive bombs by using uranium .
-
WikipediaIn response to Einstein's letter, Roosevelt called a meeting discussing Germany's plan regarding Uranium and the future of the United States
-
History.ComJapanese attacks Pearl Harbor, results in the involvement of the United States in World War II
-
U.S HistoryRoosevelt signed an order creating a secret project to develop a nuclear weapon. This secret project was known has the Manhattan Project.
-
PBSRobert Oppenhiemer was appointed director of the Manhattan Project and oversaw all the research of the atomic bomb
-
About.comScientist Enricho Fermi and other scientists made the first controlled nuclear reaction at the University of Chicago
-
History.comThe United States conducts the first test at Trinity Bomb Site in New Mexico
-
History.com The first atomic bomb used as a weapon which cause massive damage