Winston Churchill fell ill with pneumonia.
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Lionel Messi scored his 300th goal for Barcelona's soccer team.
Iceland's first football club, Knattspyrnufélag Reykjavíkurv (Reykjavík Football Club), was founded.
The Austrian Civil War came to an end after four days of bloodshed.
The first commercial helicopter, Sikorsky S51, had its first test flight.
NASA's Explorer 9 satellite launched from the Wallops Flight Facility in eastern Virginia.
