At just 30 years old, golf professional Tiger Woods won the 50th PGA, making him the youngest person ever to win a PGA.
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NASA's Curiosity rover landed on Mars' Aeolis Palus plain.
US President Lyndon B. Johnson signed the Voting Rights Act, which was introduced to stop voting discrimination against minority groups.
The United States of America dropped its first-ever atomic bomb on the city of Hiroshima, Japan.
Jon Stewart hosted his last episode of 'The Daily Show.'
A team of NASA scientists declared that the Martian ALH 84001 meteorite might contain traces of alien life.