World tennis champion Martina Navratilova won her 74th match streak.
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The Soviet Union's Vega 1 Space Probe began sending back images of Halley's Comet.
John Lennon made a controversial statement saying that the Beatles were 'more popular than Jesus.'
The Second Anglo-Dutch War began as England fought the Dutch republic for the control of seas and trade routes.
Anne Boleyn made her first public appearance in court, where she took part in 'The Château Vert' pageant.
America's second president John Adams was inaugurated in Philadelphia, Pennsylvania.
