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        1971, the Creeper program - 
  
  
        April 1st 1976 - 
  
  
        August 1981 - 
  
  January 1, 1983 by vinton cerf and bob khan
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        Morris worm of November 2, 1988, - 
  
  
        February 1991 - 
  
  September 1993
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  January 1994
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        July 5th 1994 - 
  
  
        July 1995 and was lauched by microsoft corporation - 
  
  
        September 3 1995 - 
  
  1997, Dennis C. Hayes
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        1997 - 
  
  September 4 1998
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        January 7th 2003 - 
  
  june 2004
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        February 4, 2004, a Harvard sophomore named Mark Zuckerberg - 
  
  
        February 14, 2005, by Steve chen, Jawed Karim, and chad hurley - 
  
  
        2010 - 
  
  
        May 2011, Microsoft Corporation - 
  
  September 6