1919 June - Rutherford creates oxygen from nitrogen. 1940 June 3 - German scientists fail to observe neutron multiplication in the reactor in Hamburg. 1945 June 11 - The Franck Report was sent to the Secretary of War. More » 1946 June 14 - Baruch presents the Acheson-Lilienthal plan to internationalize the atom to the U.N. More »
June 30 - First subsurface detonation by U.S. at Bikini Atoll. 1954 June 27 - The world's first nuclear power plant becomes operational in Obninsk, outside of Moscow. 1963 June 20 - U.S./U.S.S.R. sign 'hot line' agreement. More » 1967 June 17 - First fusion device test by the Chinese, with a yield of 3 megatons. 1979 June 18 - SALT II Treaty is signed in Vienna by Brezhnev and Carter. More » 1981 June 7 - Israel destroys Iraq's Osirak reactor. 1982 June 29 - Strategic Arms Reduction Talks (START) begin in Geneva. 2002 June 13 - U.S. formally withdrew from the ABM treaty. More »
June 14 - Russia formally withdrew from the START II treaty. More » 2004 June 22 - India and Pakistan set up a nuclear 'hotline'. 2007 June 5 - U.S. to Allow START pact to lapse. More »