Return to Daily IQ 1979Khmer Rouge oustedVietnamese forces captured the Cambodian capital of Phnom Penh, overthrowing Pol Pot's Khmer Rouge government. 1896 Fanny Farmer published her first cookbook. 1927 Transatlantic commercial telephone service began between New York and London. 1953 Harry Truman announced that the U.S. had developed the hydrogen bomb. 1955 Marian Anderson made her Metropolitan Opera debut. 1989 Japan's Emperor Hirohito died. 1999 The impeachment trial of President William Clinton began in the Senate. Yesterday Return to Daily IQ Tomorrow or choose another day: JanFebMarAprMayJunJulAugSepOctNovDec Today's Birthday or select month and date: JanFebMarAprMayJunJulAugSepOctNovDec Year by Year: 1900?2014 or enter a year: Enter a year: ?