First movable type invented - clay - invented in China by Pi Sheng.
Mar 24, 1450
Newspapers appear in Europe.
Mar 24, 1455
Johannes Gutenberg invents a printing press with metal movable type.
Mar 24, 1560
Camera Obscura invented - primitive image making.
First daily newspaper - Leipzig.
Englishmen, Henry Mill receives the first patent for a typewriter.
Claude Chappe invents the first long-distance semaphore
Claude Chappe invents the first long-distance semaphore (visual or optical) telegraph line.
Joseph Nicéphore Niépce achieves the first photographic image.
Charles Wheatstone reproduces sound in a primitive sound box - the first microphone.
Joseph Henry invents the first electric telegraph.
Samuel Morse invents Morse code.
Samuel Morse invents the first long distance electric telegraph line.Alexander Bain patents the first fax machine.
United States starts the Pony Express for mail delivery.Coleman Sellers invents the Kinematoscope - a machine that flashed a series of still photographs onto a screen.
American, Sholes the first successful and modern typewriter.
Thomas Edison patents the mimeograph - an office copying machine.Alexander Graham Bell patents the electric telephone.Melvyl Dewey writes the Dewey Decimal System for ordering library books.