Event:
U.S. performs nuclear test at Nevada Test Site
More Notable Events on May 12:
1986 Bicycle is pedaled 65 mph
1984 South Africa prisoner Nelson Mandela sees his wife for 1st time in 22 years
1979 Chris Evert's 125-match winning streak on clay comes to an end
1951 1st H Bomb test, on Enewetak Atoll
1908 Wireless Radio Broadcasting is patented by Nathan B. Stubblefield
