The first flight over the North Pole was completed, flown by Richard E. Byrd with co-pilot Floyd Bennett.
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German submarine U-110 was captured by the Royal Navy, who found an Enigma cipher machine onboard.
John Burr patented a better rotary blade lawn mower, designed with traction wheels and a rotary blade that would not easily get stuck with grass clipping.
A stampede killed 129 people in Ghana.
The Huffington Post was launched, founded by Arianna Huffington, Andrew Breitbart, Kenneth Lerer, and Jonah Peretti.
The noir psychological thriller film 'Vertigo,' directed by Alfred Hitchcock, was released.
