Thomas Edison filed his patent for the Optical Phonograph.
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George Hancock, who invented softball, played the first match in Chicago.
Leonardo da Vinci unsuccessfully tried to fly his famous Flying Machine invention for the first time.
Inventor George Eastman patented his 35mm photographic film in the US.
Inventor Benjamin J. Lane patented the first self-contained gas mask.
Thomas Edison spoke on the radio for the first time at a dinner for the National Electric Light Association.
