Fanny Farmer published her first cookbook.
Transatlantic commercial telephone service began between New York and London.
Harry Truman announced that the U.S. had developed the hydrogen bomb.
Marian Anderson made her Metropolitan Opera debut.
Vietnamese forces captured the Cambodian capital of Phnom Penh, overthrowing Pol Pot's Khmer Rouge government.
Japan's Emperor Hirohito died.
The impeachment trial of President William Clinton began in the Senate.