Missouri entered the United States Union and became the 24th state.
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The 14th IAAF World Championships opened in Moscow, Russia.
Australian swimmer Kyle Chalmers won the 100-meter freestyle gold medal in the Rio de Janeiro Olympics.
Monsanto became liable to pay out $289 million in damages to a groundsman who got terminal cancer from its 'Roundup' weed killer.
The Society for American Baseball Research was founded in Cooperstown, New York.
After a 15-month-long journey from earth, NASA's Magellan went into orbit around Venus and began to map the planet.
