What is Transatlantic telegraph cable?
[[File:Transatlantic telegraph monument, Heart's Content.JPG|thumb|right|250px|{{Center|Transatlantic telegraph monument, Heart's Content, Newfoundland and Labrador}}]] A '''transatlantic telegraph cable''' is a [[cable]] running under the [[Atlantic Ocean]]. It was used for [[telegraph]] communications. The first was laid across the bottom of the Atlantic from [[Ireland]] to [[Newfoundland]].<ref>Roland Wenzlhuemer, ''Connecting the Nineteenth-Century World: The Telegraph and Globalization'' (Cambridge; New York: Cambridge University Press, 2013), p. 48</ref> The first message was sent on August 16, 1858. It was from [[Queen Victoria]] to [[President of the United States|President]] [[James Buchanan]].<ref>Stephen C. Thierauf, ''Understanding Signal Integrity'' (Boston: Artech House, 2011), p. 1</ref> The cables reduced the communication time between [[North America]] and [[Europe]] from ten days (by ship) to a matter of minutes. The first cable lasted only three weeks.<ref>Anton A. Huurdeman, ''The Worldwide History of Telecommunications'' (New York: J. Wiley, 2003), p. 602</ref> Transatlantic telegraph cables have been replaced by transatlantic [[telecommunication]]s cables. == References == {{Commons}} {{reflist}} <br> {{tech-stub}} [[Category:Telecommunications]]