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Timeline of Telecommunications Time line Events 1200 BC - Homer talks about signal fires in the Iliad. 700 BC to 300 AD - Carrier pigeons used in Olympic games 1588 AD Arrival of the Spanish Armada announced by signal fires. ~1800 AD - A line of canon from Buffalo to NYC used to announce Gov. DeWitt Clinton's inaugural trip through the Erie Canal. It took 80 minutes. 1844 - Morse demonstrates the electric telegraph. 1865 - Maxwell mathematically predicts the propagation of electromagnetic waves through space. 1871 (April 1) - Bell arrived in Boston to start his work in the teaching of the deaf. 1875 (June 2) - Bell's theory of the telephone confirmed by experiment. 1875 - First words transmitted by telephone. 1876 - Alexander Graham Bell invents the telephone. 1876 - Edison invents the electric motor and the phonograph. 1887 - Heinrich Hertz shows that electromagnetic waves exist. 1888 - Heinrich Hertz produces radio waves. 1895 - Guglielmo Marconi invented the radio. 1896 - Marconi patents wireless telegraph. 1902 - First conversation by long distance underground cable, 10 miles - New York to Newark. 1906 - Lee deForest invents the vacuum tube and that would make long distance radio telephony possible. 1907 - The world's first transatlantic commercial wireless services is established 1935 - First around-the-world telephone conversation by wire and radio. 1946 - Mobile telephone service is placed into commercial use 1948 - Invention of the junction transistor. 1967 An experimental cordless extension telephone is introduced by Bell Laboratories 1969 Video and Audio are transmitted back from the first Moon landing (20 July) 1981 First cellular mobile telephone service is offered, in Saudi Arabia and Scandinavia 1983 The first commercial cellular phone system is introduced in US. Desktop PC workstations are introduced. 1992 - The World Wide Web is born 1995 CDMA (Code Division Multiple Access) is introduced. 2000 3G Standard is finalized.