1793
Semaphore is invented
1822
An English
mathematician, Charles Babbage, invents 'the difference machine' to
compute mathematical solutions. The mechanical device has some 25,000 parts
and weighs around fifteen tons
(UK)
1837
An electric telegraph machine
is unveiled, by William Cooke and Charles
Wheatstone, that uses moving needles to point to letters of the alphabet
(UK)
1840
The telegraph is
patented (by Samuel Morse)
1842
Charles Babbage's difference
machine (see 1822) could only solve pre-set
mathematical problems
whereas his Analytical Engine
(produced in this year)
has an input/output system
and can be programmed using punched cards
(UK)
1843
A fax machine is
patented (by Scot Alexander Bain)
1844
The first
telegraph link is completed (between Washington DC and Baltimore,
Maryland USA). Samuel
Morse sends the first public message (the arrangement
of dots and dashes used became known as the Morse code)
1856
The
Western Union Telegraph Company is formed
(USA)
1861
Western Union
completes the first transcontinental telegraph line
(USA)
1865
The first commercial
fax service opens, between Paris and Lyon. It was
abandoned after five years due to lack of interest!
1870
UK
Telegraph services operated by private companies are transferred to the
British Post Office
Western Union
launches a time service (USA)
1874
Christopher
Sholes invents the first QWERTY typewriter
(USA)
1876
First
transatlantic cable laid
Scot Alexander
Graham Bell files a patent for the telephone
(New York City USA, 14 February)
Elisha Gray
files a caveat for a variable-resistance liquid microphone
(USA, 14 February)
"Mr Watson, come here, I
want you" — spoken by Bell to his assistant in the first
intelligible call over a telephone
link (Boston Massachusetts USA, March)
1877
The carbon
transmitter is invented by
American Thomas Alva
Edison
The Bell Telephone
Company is formed
1878
The first
telephone exchange opens in the US (New Haven, CT) under licence
from
the Bell Telephone Company
1879
Thomas
Edison demonstrates incandescent electric lighting (New Jersey, USA)
First public
telephone exchange established in London, with eight subscribers
(by the Telephone Company Ltd,
UK)
1880
First
known telephone directory in the UK
(by the Telephone Company Ltd)
Electric
light bulb patented by Edison
Oliver Heaviside,
following research into the 'skin effect', patents co-axial cable
(England, UK)
1882
The
American Bell Telephone
Company acquires a majority interest in
the
Western
Electric Company (USA)
1885
The American
Telephone and Telegraph Company is formed, as a subsidiary of
the American Bell
Telephone Company (USA)
AT&T
completes in first long-line (supporting just one call) between New York
and
Philadelphia
1887
Oliver
Heaviside proposes that induction coils may be used to extend the reach
of telegraph and telephone lines (England) His work was later
developed and
extended by AT&T
1889
Herman
Hollerith (a mining engineer) is granted a patent for a system of data
storage using punched cards (8 January). His company — The
Tabulating
Machine Company — later merges with two others and, in 1924, is re-named
International Business Machines Corporation, IBM
The telephone
switch is invented (by Almon B Strowger, a Kansas City
undertaker)
The dial telephone
is invented (by Strowger)
1891
A
London–Paris telephone link established
1895
Wireless
telegraph is invented (by Italian Guglielmo Marconi)
1896
British
patent is issued to Marconi for a wireless
telegraph (2 June)
1897
Marconi
communicates across the Bristol Channel and the Solent (both UK)
1898
French
engineer Pierre Azaria sets up the Compagnie Générale
d'Electricité — CGE
(France)
1899 First
International radio message, a Morse message from France to Dover
(by Marconi, 27
March)
The theory of
loading coils is developed [independently by Michael Pupin of
Columbia University and George Campbell of AT&T] and patents obtained by
AT&T (USA)
1901
First
wireless transmission across the Atlantic (by Marconi)
1904
Patent
awarded for the Thermionic Diode Valve, developed by John Ambrose
Fleming
at Ediswan's Ponders End laboratories (November, UK)
1906
S O S
(three dots three dashes three dots, in Morse code) adopted as the
international call for help at sea (by
a conference in Berlin)
1912
First
public automatic telephone exchange in the UK (at Epsom, Surrey)
1915
First
transcontinental telephone service opens. The inaugural call took
place
on 25 January between New York City, San Francisco,
Washington DC [the White House] and Jekyll Island, Ga
(USA)
1919
AT&T
installs the first dial telephones in the Bell system (Norfolk VA, USA)
1922
The British
Broadcasting Company is formed
(by a group of
radio manufacturers, including Marconi)
The first
ship-to-shore voice
communication
(between a station at Deal Island, NJ USA and the SS America, 650km away)
1925
AT&T sells its
overseas operations resulting in STC (UK), ITT (Europe),
NEC (Japan) and Northern Telecom (Canada)
AT&T establishes
Bell Telephone Laboratories Inc as its R&D subsidiary
1927
Public
demonstration of video-phone technology
(between New York and Washington DC)
A transatlantic
radio-based telephone service begins between the US and London
The BBC changes
from a company to a Corporation
Mayday (a
corruption of the French m'aidez) adopted as the international
distress call for maritime radio telephone
1929
The modern
form of co-axial
cable is invented (USA)
1932
First
microwave telephone link between Vatican City and Castel Gandolfo
(Marconi)
1934
A
transpacific radio-based telephone service opens between the US and Japan
1936
The BBC
begins the world's first public television broadcast service (November,
Alexandra Palace, UK)
TIM, a speaking
clock service, introduced in London
1937
An
emergency service using '999' introduced to 91 telephone exchanges in the
London
area (30 June)
1939
Voice
synthesiser exhibited (at the World's Fair in New York)
1943
Digitised,
enciphered voice system deployed, SIGSALY (USA/UK)
First programmable
electronic computer, Colossus (UK)
1945
Cellular
technology invented (USA)
1946
Work starts on
using a Cathode Ray Tube (CRT) as a digital storage device. It
became known as the Williams Tube and was patented on 11 December
(Freddie Williams, Malvern UK)
AT&T offers a
mobile telephone service with a single aerial covering an entire
metropolitan area
TIM, the UK's
speaking clock service, goes nationwide
1947
The transistor
is invented by AT&T BTL scientists John Bardeen, Walter Brattain
and William Shockley
(USA, 16 December)
1948
The
world's first stored-program computer ran its first program, written by
Tom Kilburn to find the highest factor of a number, for 42 minutes
on 21 June (UK - Manchester University)
1951
LEO (an acronym
for the Lyons Electronic Office) begins operations at Lyons'
headquarters, as the first-ever business computer (Sep, London, UK).
Within
two years, reliability had improved to the point where it could be
trusted
with the payroll run
AT&T introduces the
customer-dialling of long-distance calls (11 November,
Englewood NJ)
1956
First repeater-ed
transatlantic telephone cable laid, TAT1, between
Scotland
and Newfoundland)
Generally regarded as the inventor of the hard disk drive, Reginald
Johnson (at
IBM) invents the RAMAC (Random Access Method of Accounting Control) drive,
which used disks rather than cylinders to hold data.
1957
The world's
first artificial satellite, Sputnik, is launched (4 Oct, USSR)
Sputnik II is
launched on 3 November (USSR)
1958
Western
Union introduces Telex, direct-dial teleprinter service (USA)
AT&T introduces the
first commercial modem (modulator-demodulator)
LASER invented at
Bell Labs (USA)
Long-distance direct-dialling introduced
in the UK
(5 Dec, Bristol)
1959
The integrated
circuit is invented
The UK's first
public mobile telephone service (called System 1) is introduced,
covering the South Lancashire area
Long-distance dialling from
payphones introduced in the UK (5 Sep, Bristol)
1960
The first
working LASER is demonstrated at Hughes
Research Labs (16 May, USA)
1962
The first communications satellite is launched,
Echo 1, a 30m balloon with an
aluminium coating that passively reflected broadcast signals back to Earth.
It continued in use until 24 May 1968 (Cape Canaveral, USA)
AT&T launches
Telstar 1, the
first active communications satellite
(USA)
'Arthur' (Goonhilly One) begins operation at the Goonhilly
Satellite Earth Station
(11
July, Lizard Peninsula, Cornwall, UK)
Telstar transmits the first
live television across the Atlantic
1964
The computer mouse is invented by Douglas Engelbart
(USA)
1965
Operator-controlled car telephone service starts
in London
The first
commercial communications satellite, Early Bird, enters service,
operated by Intelsat
The world's first
electronic switch installed in a telephone exchange by AT&T
(NJ, USA)
1966
CGE absorbs Société
Alsacienne de Constructions Atomiques, de
Télécommunications
et d'Electronique — Alcatel (France)
1967
Colour television is launched in the UK
(on BBC2 only)
Thorn EMI Ferguson
launches the world's first solid-state colour TV receiver (UK)
1968
'911' introduced
as the USA's nationwide emergency number
1969
The Unix operating system is created by Bell
Labs (USA)
1970
Customer-dialling
of international telephone calls introduced between London
and
Manhattan
1971
The first e-mail is sent by Ray Tomlinson, with
body text of QWERTYUIOP. It was
Ray who decided that the @ symbol should separate the recipient's name and
their location
The first microprocessor, the 4004, is
introduced by Intel with 2300 transistors
and a clock speed of 108kHz
(November, USA)
1972
Alan Shugart and others (at IBM) invent the
floppy disk, with a diameter of 8
inches. Shugart went on the found Seagate in 1979
1975
Northern
Electric (later Northern Telecom, then Nortel) ships its first SL-1 digital
switching system
1976
Western
Union launches Westar I, the first domestic communications satellite
for America
1976
The UK's last
manual telephone exchange closes (Portree, Isle of Skye). As a
result,
the '999' service achieves nationwide coverage
1978
A marketing
message is sent via Arpanet, inviting 400 recipients to go to a
presentation of DEC's System-20 minicomputer — possibly the first
SPAM
message [USA, 3 May]
Norman Ken Ouchi,
an IBM engineer, invents the Redundant Array of Inexpensive
Disks, or RAID, to provide a resilient arrangement for data storage
1979
INMARSAT (the
International Maritime Satellite Organization) comes into being
(16
July)
Larry Boucher (at Shugart
Associates) invents the Small Computer System
Interface, or SCSI
Northern Telecom
launches the DMS-100, a local/toll digital switch
1980
The CCITT (now
ITU-T) publishes the Group 3 standard for facsimile
1981
British Telecom takes
on responsibility for the UK's public telephone system
IBM announces, in
New York City, the IBM 5150 PC (12 August)
Fujio Masuoka (at
Toshiba) invents Flash Memory, a non-volatile storage method
that doesn't require continuous power
1982
The INMARSAT
system becomes operational, leasing commercial capacity on
three Marisat satellites covering the Atlantic, Pacific and Indian Ocean
regions
(1 February)
Groupe Speciale Mobile (GSM) is formed by CEPT to
design a pan-European mobile
technology
3Com ships the
first personal computer Ethernet LAN adaptor (29 September)
1983
The first
computer virus to replicate surreptitiously is demonstrated by
PhD student Fred Cohen (11 November, USA)
1984
1 January: AT&T
broken up — the Bell System ceases to exist and is replaced by
seven Regional Bell Operating Companies [RBOCs] and an
AT&T responsible only
for its long-distance telephone, manufacturing, and R&D operations
(USA)
The first urban
satellite earth station opens, the London Teleport
(London Docklands, UK)
1985
The first mobile
phone call made in the UK (by Ernie Wise from St Katherine's
Dock, London to
Vodafone's office in Newbury) on 1 January. Cellnet (now O2) launched its network on 10 January
1986
The UK's '999'
emergency service is extended to mobile
telephones
1987
GSM Memorandum of
Understanding formed (February)
1990
Tim Berners-Lee
starts work on a global hypertext browser, having proposed the
idea in 1989 (UK)
1991
CGE changes its
name to Alcatel Alsthom
First GSM call made by Radiolinja (Finland)
1992
The Microsoft Windows 3.1 operating system
launched
First international roaming
agreement signed between Telecom Finland and
Vodafone UK
10 November:
Nokia
launches the world's first mass-produced commercially-
available GSM mobile phone — the 1011. It weighed in at 475g, offered
90
minutes talk time, 12 hours standby time and a two-line display. But no
ringtones, Bluetooth or camera (Finland)
3 December:
First commercial SMS sent (via the Vodafone network, UK) from a
PC to
an Orbitel 901 handset
1993
In line with a
European Directive to provide a Europe-wide emergency services
telephone number, the '112' service is introduced in the UK
1996
Hotmail launched
1998
Alcatel Alsthom
becomes plain Alcatel
2000
BT Cellnet
launches the first GPRS service in the UK. Initially, it is restricted to
corporate customers only, providing constant mobile access to e-mail and the
corporate Intranet (26 June)
For the first
time, the volume of data traffic on the AT&T network exceeds that
of voice traffic (USA)
2001
The first 3GSM
network launches
2002
The first
Multimedia Messaging Services go live
2003
Cingular
launches the first commercial EDGE service (July)
2005
AT&T taken over by SBC Communications
Cingular launches
the first extensive commercial HSDPA service (December)
2006
Western Union closes its telegram service
(January, USA)
2009
TeliaSonera launches the first 4G LTE mobile
service in Stockholm and Oslo
(14
December)
Nortel Networks Corporation completes the
sale of most of Nortel Networks Ltd's
Enterprise Solutions business to Avaya
(18 December, USA)
2010
Deutsche Telekom and France Telecom announce the
successful completion of the
UK merger of T-Mobile and Orange, and the formation of a new Joint Venture
(1 April, UK)
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Page updated
02/04/2010