|3500 BC |
to 2900 BC
|The Phoenicians develop an alphabet. |
The Sumerians develop cuneiform writing - pictographs of accounts written on clay tablets.
The Egyptians develop hieroglyphic writing.
|1775 BC||Greeks use a phonetic alphabet written from left to right.|
|1400 BC||Oldest record of writing in China on bones.|
|1270 BC||The first encyclopedia is written in Syria.|
|900 BC||The very first postal service - for government use in China.|
|776 BC||First recorded use of homing pigeons used to send message - the winner of the Olympic Games to the Athenians.|
|530 BC||The Greeks start the very first library.|
|500 BC |
to 170 BC
|Papyrus rolls and early parchments made of dried reeds - first portable and light writing surfaces.|
|200 BC |
to 100 BC
|Human messengers on foot or horseback common in Egypt and China with messenger relay stations built.|
Sometimes fire messages used from relay station to station instead of humans.
|14||Romans establish postal services.|
|37||Heliographs - first recorded use of mirrors to send messages by Roman Emperor Tiberius.|
|100||First bound books|
|105 BC||Tsai Lun of China invents paper as we know it.|
|305||First wooden printing presses invented in China - symbols carved on a wooden block.|
|1049||First movable type invented - clay - invented in China by Pi Sheng.|
|1450||Newspapers appear in Europe.|
|1455||Johannes Gutenberg invents a printing press with metal movable type.|
|1560||Camera Obscura invented - primitive image making.|
|1650||First daily newspaper - Leipzig.|
|1714||Englishmen, Henry Mill receives the first patent for a typewriter.|
|1793||Claude Chappe invents the first long-distance semaphore (visual or optical) telegraph line.|
|1814||Joseph Nicéphore Niépce achieves the first photographic image.|
|1821||Charles Wheatstone reproduces sound in a primitive sound box - the first microphone.|
|1831||Joseph Henry invents the first electric telegraph.|
|1835||Samuel Morse invents Morse code.|
|1843||Samuel Morse invents the first long distance electric telegraph line. |
Alexander Bain patents the first fax machine.
|1861||United States starts the Pony Express for mail delivery. |
Coleman Sellers invents the Kinematoscope - a machine that flashed a series of still photographs onto a screen.
|1867||American, Sholes the first successful and modern typewriter.|
|1876||Thomas Edison patents the mimeograph - an office copying machine. |
Alexander Graham Bell patents the electric telephone.
Melvyl Dewey writes the Dewey Decimal System for ordering library books.
|1877||Thomas Edison patents the phonograph - with a wax cylinder as recording medium. |
Eadweard Muybridge invents high speed photography - creating first moving pictures that captured motion.
|1887||Emile Berliner invents the gramophone - a system of recording which could be used over and over again.|
|1888||George Eastman patents Kodak roll film camera.|
|1889||Almon Strowger patents the direct dial telephone or automatic telephone exchange.|
|1894||Guglielmo Marconi improves wireless telegraphy.|
|1898||First telephone answering machines.|
|1899||Valdemar Poulsen invents the first magnetic recordings - using magnetized steel tape as recording medium - the foundation for both mass data storage on disk and tape and the music recording industry. |
|1902||Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland - the first radio signal across the Atlantic Ocean.|
|1904||First regular comic books.|
|1906||Lee Deforest invents the electronic amplifying tube or triode - this allowed all electronic signals to be amplified improving all electronic communications i.e. telephones and radios.|
|1910||Thomas Edison demonstrated the first talking motion picture.|
|1914||First cross continental telephone call made.|
|1916||First radios with tuners - different stations.|
|1923||The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin - first television camera.|
|1925||John Logie Baird transmits the first experimental television signal.|
|1926||Warner Brothers Studios invented a way to record sound separately from the film on large disks and synchronized the sound and motion picture tracks upon playback - an improvement on Thomas Edison's work.|
|1927||NBC starts two radio networks. |
First television broadcasts in England.
Warner Brothers releases "The Jazz Singer" the first successful talking motion picture.
|1930||Radio popularity spreads with the "Golden Age" of radio. |
First television broadcasts in the United States.
Movietone system of recording film sound on an audio track right on the film invented.
|1934||Joseph Begun invents the first tape recorder for broadcasting - first magnetic recording.|
|1938||Television broadcasts able to be taped and edited - rather than only live.|
|1939||Scheduled television broadcasts begin.|
|1944||Computers like Harvard's Mark I put into public service - government owned - the age of Information Science begins.|
|1948||Long playing record invented - vinyl and played at 33 rpm. |
Transistor invented - enabling the miniaturization of electronic devices.
|1949||Network television starts in U.S. |
45 rpm record invented.
|1951||Computers are first sold commercially.|
|1958||Chester Carlson invents the photocopier or Xerox machine. |
Integrated Circuit invented - enabling the further miniaturization of electronic devices and computers.
|1963||Zip codes invented in the United States.|
|1966||Xerox invents the Telecopier - the first successful fax machine.|
|1969||ARPANET - the first Internet started.|
|1971||The computer floppy disc invented. |
The microprocessor invented - considered a computer on a chip.
|1972||HBO invents pay-TV service for cable.|
|1976||Apple I home computer invented. |
First nationwide programming - via satellite and implemented by Ted Turner.
|1979||First cellular phone communication network started in Japan..|
|1980||Sony Walkman invented.|
|1981||IBM PC first sold. |
First laptop computers sold to public.
Computer mouse becomes regular part of computer.
|1983||Time magazines names the computer as "Man of the Year." |
First cellular phone network started in the United States.
|1984||Apple Macintosh released. |
IBM PC AT released.
|1985||Cellular telephones in cars become wide-spread. |
CD-ROMs in computers.
|1994||American government releases control of internet and WWW is born - making communication at lightspeed.|