Nike was founded.
Originally called Blue Ribbon Sports, the company officially became Nike, Inc. on May 30, 1971.
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The world's largest twin-engine airliner completed its first trip.
Robert Williams became the first recorded person to be killed by a robot in the US.
Grand Rapids, Michigan, became the first place in the US to add fluoride to its water supply in a bid to improve oral health.
Charles Wilkes discovered Antarctica during an American Naval Expedition.
Walt Disney's animation '101 Dalmatians' was released in theaters.