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Period: to
Nuclear arms
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Nuclear fission proven
Otto Robert Frisch experimentally confirms Otto Hahn and Fritz Strassman's discovery of nuclear fission -
Einstein warns the white house
Albert Einstein writes to President Franklin D. Roosevelt to inform him of efforts in Nazi Germany to purify uranium-235, which could be used to build an atomic bomb. -
congress funds nuclear research
after the pearl harbor attacks the US Congress poured money into military research, and above all research on fissile materials. -
Manhattan project builds first nuke
the so-called Manhattan project had managed to produce enough plutonium to perform a first nuclear test, code-named “Trinity” -
FIrst weaponized nuclear bomb dropped
Little Boy dropped on the city of Hiroshima in japan. It became the first atomic bomb ever deployed in warfare. -
UK performs their first nuclear test
October 1952 United Kingdom conducts first test of a British nuclear weapon (operation hurricane) -
pakistans atomic program is started
1972 - Zulfikar Ali Bhutto launched Pakistan's atomic program by making Munir Ahmad Khan as the program head. -
Mordechai Vanunu rats out israeli nuclear weopons program
Mordechai Vanunu divulges secrets about the Israeli nuclear weapons program to The Sunday Times in London -
North Korea admits to possesing nuclear arms
North Korea announces that it has several nuclear explosives -
North korea performs their first nuclear test
North Korea tests a nuclear weapon for the first time
