The Society for American Baseball Research was founded in Cooperstown, New York.
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Two rival driverless taxi companies were given approval to operate 24/7 in San Francisco, California.
The 14th IAAF World Championships opened in Moscow, Russia.
After a 15-month-long journey from earth, NASA's Magellan went into orbit around Venus and began to map the planet.
A group invaded the Tuileries Palace, where Louis XVI stayed during the French revolution.
Monsanto became liable to pay out $289 million in damages to a groundsman who got terminal cancer from its 'Roundup' weed killer.