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1791 Semaphore telegraph invented by Claude Chappe, France
1794 Swedish optical telegraph was invented
1835 Electric telegraph invented by Samuel Morse
1844 Telegraph line installed between Washington and Baltimore
1865 ITU was founded
1866 Undersea telegraph cable between Europe and United States
1876 Alexander Graham Bell patents the telephone, Ericsson is
established in Sweden
1878 First telephone exchange is opened in New Haven, Connecticut,
USA
1889 Almon Strowger applies for patent for an automated telephone
exchange
1896 Radio telegraphy invented by Guglielmo Marconi, rotary dial was
invented
1901 Marconi sends radio telegraphy signals across the Atlantic
1902 First radio transmission of human voice
1907 Lee de Forest patents electrode tube for radio receivers
1919 Eccles and Jordan present the first design of a flip-flop circuit
1920 Birth of sound broadcasting
1923 Breakthrough of shortwave radio (100m)
1925 Baird invents television
1928 Vanivar Bush invents the mechanical computer
1933 Edwin Armstrong invents FM radio
1939 John Atanasoff and Clifford Betty present a 16 bit adding machine
with radio tubes
1943 Alan Turing, Bletchey Park builds Colossus, an electronic
calculator to decipher German communications
1945 Finalization of Eniac using 17,468 radio tubes
1948 John Bardeen, Walter Brattain, William Shockley invent the
transistor. Claude Shannon publishes Mathematical Theory of
Communications , introduction of the word bit
1951 First Univac is delivered
1956 First public mobile phone network is opened in Sweden
1960 Digital (DEC) ships the first PDP-1 (53 units were sold)
1963 First "datalink" at CERN between the Mercury computer and a 2
kms distant experiment
1964 SABRE, American Airlines reservation system links 2000 online
terminals
1965 The word "packet" is used for the first time by Donald Davies at
NPL, UK
1969 First host-to-host ARPANET connection is made between UCLA
and SRI. Soon 4 ARPA hosts, located at Stanford, UCLA, UCSB, and
University of Utah are connected at 50kbps
1970 First version of TCP/IP is specified
1971 Intel 4004 is the worlds first microprocessor
1972 Ray Tomlinson writes an e-mail program for the ARPANET
1974 Ethernet is demonstrated at Xerox-PARC
1975 Microsoft is founded by Bill Gates
1977 Apple II computer is announced
1983 Sun Microsystems is formed
1987 Internet connects 10,000 hosts
1989 Tim Berners Lee proposes networked hypertext at CERN
1991 Internet connects 600,000 hosts in 100 countries. Five
web-servers are connected to the Internet, all in physics labs (CERN,
Stanford, Desy, Rutherford, Saclay)
1992 Internet Society is formed (ISOC). CERN releases WWW software
into the public domain
1994 Netscape is formed by Marc Andreessen and Jim Clark
1996 12.8 main telephones per 100 inhabitants and 2.4 cellular
1999 IEEE presents standard 802.11b for wireless LANs at 11 Mbit/s
2000 Fierce competition for UMTS licences across Europe
2001 CISCO cuts its staff by one third

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