Li Na became the first Asian-born tennis player to be entered into the International Tennis Hall of Fame.
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The first Star Trek convention was held in New York City.
The Mysterious Affair at Styles, by British crime writer Agatha Christie, was published in the UK.
Over two million women worldwide marched against Trump's anti-women and offensive slews.
The iconic DeLorean sports car began production in Northern Ireland.
American pop singer Ariana Grande joined YouTube at 13 years old.
