The Number 1923
Prime Factors of 1923=3x641.
The Year 1923 AD
In the year 1923 AD Garrett A. Morgan invented a traffic signal.
In the year 1923 AD The television or iconoscope (cathode-ray tube) was invented by Vladimir Kosma Zworykin.
In the year 1923 AD John Harwood invented the self-winding watch.
In the year 1923 AD Clarence Birdseye invented frozen food.
In the year 1923 AD the Chemical Element Hafnium was discovered by Dirk Coster.
In the year 1923 AD Timothy Francis Leary was born.(Esoteric History)
In the year 1923 AD HP Lovecraft first mentioned the Necronomicon in "the Hound".(Esoteric History)
In the year 1923 AD Theodor Reuss died.(Esoteric History)
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