1949: The police drama "Dragnet," starring Jack Webb and Barton Yarborough, premiered on NBC radio.

1950: "Your Hit Parade" premiered on NBC.

1955: Pat Boone released his version of "Ain't That A Shame," which became his first No. 1 hit.

1964: The Beatles' first film, "A Hard Day's Night," had its royal premiere in London. The movie opened in the U.S. the next month.

1967: Actress Vivien Leigh died of tuberculosis. She was 53.

1971: Jazz musician Louis Armstrong died in New York. He was 69.

1979: A Chicago disc jockey held a "disco demolition" between a baseball doubleheader at Comiskey Park. The second game was called off because so much damage had been done to the field.

1989: Actor Laurence Olivier died. He was 82.

1997: Singer Chrissie Hynde of The Pretenders married Colombian sculptor Lucho Brieva in London.

2007: Actress Eva Longoria married San Antonio Spurs player Tony Parker in Paris.

2007: The Live Earth concerts were held to draw attention to environmental issues. Concerts were held in New York, London, Sydney, Tokyo, Kyoto, Shanghai, Hamburg, Johannesburg and Rio de Janeiro.