Paavo Nurmi ran a world record time of 3000 meters in 8 minutes and 25 seconds.
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Star Trek episode 'Second Chances' aired, guest-starring Mae Jemison.
Leo Delibes' opera 'Le Roi l'a Dit' premiered in Paris at the Opéra-Comique.
Theresa May announced her resignation as British Prime Minister.
Amy Johnson became the first woman to fly solo from the UK to Australia.
The United States and Russia signed the Moscow Treaty, agreeing to limit their nuclear arsenals.
