TODAY IN HISTORY

On Jan. 7, 1953, President Truman announced in his State of the Union message to Congress that the United States had developed a hydrogen bomb.

the U.S. Post Office

raised the cost of a firstclass stamp from 4 to 5 cents.

In 1979, Vietnamese forces captured the Cambodian capital of Phnom Penh, overthrowing the Khmer Rouge government.

In 1989, Emperor Hirohito of Japan died in Tokyo at age 87; he was succeeded by his son, Crown Prince Akihito.

In 1999, for the second time in history, an impeached American president went on trial before the Senate. President Bill Clinton faced charges of perjury and obstruction of justice; he was acquitted.

In 2015, masked gunmen stormed the Paris offices of Charlie Hebdo methodically killing 12 people, including the editor, before escaping in a car.