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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
1450 Johannes Gutenberg finishes a printing press with metal movable type -
Jan 1, 1520
1520
1520 Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags. -
16th century BC
The Phoenicians develop an alphabet -
1793
1793 Claude Chappe establishes the first long- distance semaphore telegraph line -
1831
1831 Joseph Henry proposes and builds an electric telegraph -
1835
1835 Samuel Morse develops the Morse code -
1843
1843 Samuel Morse builds the first long distance electric telegraph line -
1844
1844 Charles Fenerty produces paper from a wood pulp, eliminating rag paper which was in limited supply -
1849
1849 Associated Press organizes Nova Scotia pony express to carry latest European news for New York newspapers -
1876
1876 Alexander Graham Bell and Thomas A. Watson exhibit an electric telephone in Boston -
1877
1877 Thomas Edison patents the phonograph -
1889
1889 Almon Strowger patents the direct dial telephone -
1901
1901 Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland -
1925
1925 John Logie Baird transmits the first television signal -
1942
1942 Hedy Lamarr and George Antheil invent frequency hopping spread spectrum communication technique -
1947
1947 Douglas H. Ring and W. Rae Young of Bell Labs proposed a cell- based approach which leads to "cellular phones" -
1949
1949 Claude Elwood Shannon, the "father of information theory", mathematically proves the Nyquist–Shannon sampling theorem -
1958
1958 Chester Carlson presents the first photocopier suitable for office use -
1963
1963 First geosynchronous communications satellite is launched, 17 years after Arthur C. Clarke's article -
1966
1966 Charles Kao realizes that silica- based optical waveguides offer a practical way to transmit light via total internal reflection -
1966
1966 Charles Kao realizes that silica- based optical waveguides offer a practical way to transmit light via total internal reflection -
1969
1969 The first hosts of ARPANET, Internet's ancestor, are connected. -
1971
1971 Erna Schneider Hoover invented a computerized switching system for telephone traffic. -
1977
1977 Donald Knuth begins work on TeX -
1989
1989 Tim Berners- Lee and Robert Cailliau built the prototype system which became the World Wide Web at CERN -
1989
1989 Tim Berners- Lee and Robert Cailliau built the prototype system which became the World Wide Web at CERN -
1991
1991 Anders Olsson transmits solitary waves through an optical fibre with a data rate of 32 billion bits per second -
1991
1991 Anders Olsson transmits solitary waves through an optical fibre with a data rate of 32 billion bits per second -
1992
1992 Neil Papworth sends the first SMS (or text message). -
105
Tsai Lun invents paper -
3500s BC
The Sumerians develop cuneiform writing and the Egyptians develop hieroglyphic writing -
AD 26-37
Roman Emperor Tiberius rules the empire from island of Capri by signalling messages with metal mirrors to reflect the sun