-
200
200 B.C
Human messengers were used on foot in china and egypt. Also fire messages were used to communicate from station to station. -
1831
Joseph Henry invents the first electric telegraph. -
1835
Samuel Morse invents the Morse code. -
1889
1889: Almon Strowger patents the direct dial telephone or automatic telephone exchange. -
1902
1902: Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland, the first radio signal across the atlantic ocean. -
1914
1914: First cross continental telephone call made -
1930
1930: First television broadcasts in the United States. -
1979
First cellular phone network started in the United States. -
1984
Apple Macintosh released. -
2007
Iphone is released. -
1843
1843: Samuel Morse invents the first long distance telephone line. -
1843
1843: Alexander Bain patents the first fax machine. -
1916
1916: First radios with tuners.