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May 22, 751
751
Paper is introduced to the Muslim world after the Battle of Talas -
May 22, 1305
1305
The Chinese develop wooden block movable type printing -
May 22, 1450
1450
Johannes Gutenberg finishes a printing press with metal movable type -
May 22, 1520
1520
1520 Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags. -
1835
Samuel Morse develops the Morse code -
1843
Samuel Morse builds the first long distance electric telegraph line -
1844
Charles Fenerty produces paper from a wood pulp, eliminating rag paper which was in limited supply -
1849
Associated Press organizes Nova Scotia pony express to carry latest European news for New York newspapers -
1876
Alexander Graham Bell and Thomas A. Watson exhibit an electric telephone in Boston -
1877
Thomas Edison patents the phonograph -
1889
Almon Strowger patents the direct dial telephone -
1901
Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland -
1925
John Logie Baird transmits the first television signal -
1942
Hedy Lamarr and George Antheil invent frequency hopping spread spectrum communication technique -
1947
Douglas H. Ring and W. Rae Young of Bell Labs proposed a cell- based approach which leads to "cellular phones" -
1949
Claude Elwood Shannon, the "father of information theory", mathematically proves the Nyquist–Shannon sampling theorem -
1958
Chester Carlson presents the first photocopier suitable for office use -
1963
First geosynchronous communications satellite is launched, 17 years after Arthur C. Clarke's article -
1966
Charles Kao realizes that silica- based optical waveguides offer a practical way to transmit light via total internal reflection -
1969
The first hosts of ARPANET, Internet's ancestor, are connected. -
1971
Erna Schneider Hoover invented a computerized switching system for telephone traffic. -
1977
Donald Knuth begins work on TeX -
1989
Tim Berners- Lee and Robert Cailliau built the prototype system which became the World Wide Web at CERN -
1991
Anders Olsson transmits solitary waves through an optical fibre with a data rate of 32 billion bits per second -
1992
Neil Papworth sends the first SMS (or text message). -
1793
Claude Chappe establishes the first long- distance semaphore telegraph line -
1831
Joseph Henry proposes and builds an electric telegraph