Event:
U.S.S.R. performs nuclear test at Semipalitinsk, Eastern Kazakhstan U.S.S.R.
More Notable Events on April 3:
1991 U.N. Security Council adopts Gulf War truce resolution
1986 U.S. national debt hits $2,000,000,000,000
1982 U.N. Security Council demanded Argentina withdraw from Falkland Islands
1941 Churchill warns Stalin of German invasion
1933 1st airplane flight over Mount Everest
