A brief history: communication events
Category: Otro
Actualizado: 12 sep 2022
Autores
Created byAnh Phan
Attachments
Eventos
7000 BC: Drum beats
conveyed short messages
across jungle, Africa.5000 BC: Message sticks
carried simple information,
Australia.2000 BC: Aztecs, Babylonians,
Chinese, Egyptians wrote
in pictures.1084 BC: Fall of Troy news
relayed by chain of fires to
Greece.60 BC: Roman gazette Acte
Diurna displayed in public
places, Italy.105: Tshai Lun write on paper
made from bark and bamboo,
China.620: Chinese court circular
called a pao appeared,
China.750: Books were printed,
China1456: Johann Gutenberg
printed books with movable
type, Germany.1464: State post delivered
mainly official mail, France1615: Newspaper 'Frankfurter
Zeitung' published, Germany.1795: Semaphore system
(= flags on posts) took 2
min for 240 km, France.1838: Samuel Morse invented
telegraph, USA.1876: Alexander Bell invented
short distance telephone,
USA.1880: Telephone exchange
opened in Melbourne,
Australia.1889: Almon Strowger patented
dial telephone system,
USA.1890: Heinrich Hertz built
transmitter and receiver,
Germany.1892: Automatic telephone
exchange operated, USA.1920: Radio broadcasts of
voices began.1923: Wireless radio started
broadcasting, Australia.1926: John Baird showed black
and white television,
Scotland.1935: Tape recorder shown in
Berlin, Germany.1939: John Baird showed colour
television, Scotland.1948: Vinyl record used to
record music.1956: Channel 9 started
broadcasting, Australia.1968: Australia linked to global
satellite system.1986: Optical fibre cable layed
between Sydney and
Melbourne.1990: Phonecards introduced
by Telstra, Australia.1993: Digital mobile phones
introduced, Australia.1998: Guglielmo Marconi sent
radio morse code
message, Italy.
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