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Jan 1, 700
7th century
Hindu-Malayan empires write legal documents on copper plate scrolls, and write other documents on more perishable media -
Jan 1, 751
751
Paper is introduced to the Muslim world after the Battle of Talas. -
Jan 1, 1305
1305
The Chinese develop wooden block movable type printing. -
Jan 1, 1450
1450
Johannes Gutenberg finishes a printing press with metal movable type. -
Jan 1, 1520
1520
Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags. -
1793
Claude Chappe establishes the first long- distance semaphore telegraph line. -
1831
Joseph Henry proposes and builds an electric telegraph -
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. -
1877
Thomas Edison patents the phonograph. -
1889
Almon Strowger patents the direct dial telephone. -
1901
Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland. -
Period: to
communication
-
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. -
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). -
AD 26-37
Roman Emperor Tiberius rules the empire from island of Capri by signalling messages with metal mirrors to reflect the sun. -
105
Tsai Lun invents paper.