Inventor William Austin Burt patented the typographer, also known as the typewriter in the US.
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American businessman King Camp Gillette was granted his patent for the safety razor.
George Hancock, who invented softball, played the first match in Chicago.
The first idea of a fire escape was patented.
The Soviet Union started mass producing the AK-47 assault rifle.
William B. Purvis patented the electric switch on railways that would shut off the electric supply after carriages pass the contact device.
