- 
  
  In 1690 Leibnitz developed a machine that could add, subtract, multiply, divide, and calculate square roots. The instructions were programmed into the machine. Programming was accomplished through the use of gears. http://library.thinkquest.org/11309/data/history.htm
 - 
  
  Punch Card Machines were developed and used in common work places. http://www.eingang.org/Lecture/hmark1.html
 - 
  
  Howard Aiken developed a large automatic digital computer called the Harvard Mark I based on standard IBM parts and it was programmed by using pre-punched paper tape. http://www.eingang.org/Lecture/hmark1.html
 - 
  
  John Backus and others developed the first FORTRAN compiler. https://cs.uwaterloo.ca/~shallit/Courses/134/history.html
 - 
  
  John McCarthy invented LISP, a list-processing language for artificial intelligence programming. https://cs.uwaterloo.ca/~shallit/Courses/134/history.html
 - 
  
  New programming languages were invented by John Kemeny and Thomas Kurtz, such as BASIC. https://cs.uwaterloo.ca/~shallit/Courses/134/history.html
 - 
  
  Brian Kernighan and Ritchie programming language named C. https://cs.uwaterloo.ca/~shallit/Courses/134/history.html
 - 
  
  Niklaus Wirth invented a new programming language named Pascal. https://cs.uwaterloo.ca/~shallit/Courses/134/history.html
 - 
  
  Prolog was a programming language associated with artificial intelligence and computational linguistics http://en.wikipedia.org/wiki/Prolog
 - 
  
  C++ a programming language that is an improved version of the C Programming Language http://en.wikipedia.org/wiki/C%2B%2B
 - 
  
  a trend in language design was an increased focus on programming for large-scale systems through the use of modules. http://en.wikipedia.org/wiki/
 - 
  
  Larry Wall developed Perl in 1987 as a general-purpose Unix scripting language to make report processing easier. http://en.wikipedia.org/wiki/Perl
 - 
  
  The Internet created an opportunity for new languages to be adopted. The Java programming language integrated with the Netscape Navigator web browser. http://en.wikipedia.org/wiki/History_of_programming_languages
 - 
  
  In 1991 Visual Basic was developed http://www.max-visual-basic.com/history-of-visual-basic.html
 - 
  
  In 2001 C# and Visual Basic .NET were made http://www.max-visual-basic.com/history-of-visual-basic.html