July 1st, 1903: The first Tour de France bicycle race began.

July 1st, 1908: SOS was adopted as the international distress signal. Three dits, three dahs, and three dits – SOS is the only nine-element signal in Morse code.

July 1st, 1963: ZIP codes were introduced for US mail.

July 1st, 1979: Sony introduced the Walkman in Japan.

July 1st, 1980: O Canada officially became the national anthem of Canada.

July 1st, 1984: The PG-13 rating was introduced by the Motion Picture Association of America.

July 1st, 1985: A&E separated from sister channel Nickelodeon.

July 1st, 1985: Nike-at-Nite began on Nickelodeon.

July 1st, 1991: Court TV, which later became truTV, began airing in the US.

July 1st, 2007: The Concert for Diana was held at Wembley Stadium in London and broadcast in 140 countries, on which would have been her 46th birthday.

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Actress Olivia de Havilland turns 104 years old.

 

Actor Jamie Farr turns 86 years old.

 

Singer Debbie Harry turns 75 years old.

 

Actor Dan Aykroyd turns 68 years old.

 

Actor Alan Ruck turns 64 years old.

 

Actor Andre Braugher turns 58 years old.

 

Rapper Missy Elliot turns 49 years old.

 

Actress Liv Tyler turns 43 years old.

 

Actress Lea Seydoux turns 35 years old.

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July 1st is National Postal Workers Day.