1954 Polio vaccine trials begin,1711 David Hume is born,2009 Chrysler and autoworkers union agree to a deal,1865 Lincoln assassin John Wilkes Booth dies,1954 Geneva Conference begins,1913 Girl murdered in pencil factory,1986 Nuclear explosion at Chernobyl,1937 Nazis test Luftwaffe on Guernica,1986 Nuclear disaster at Chernobyl,1986 Maria Shriver marries Arnold Schwarzenegger,1888 Anita Loos is born,1977 Studio 54 opens,2013 Country music star George Jones dies,1798 James Beckwourth is born,1984 Reagan visits China,1918 Olympic track star Fanny BlankersKoen is born,1971 US troop strength in South Vietnam at fiveyear low,1972 Nixon announces additional troop withdrawals,1915 Allies sign Treaty of London,1894 Rudolf Hess is born,
_1451827273_60x45.jpg "The Mis-Trek")
