History of Computers By 25409 Jan 21, 1939 Calculator Calculator May 14, 1944 First Computer First Computer Aug 15, 1947 Keyboard Keyboard Jun 16, 1950 Digital Computer Digital Computer Oct 16, 1963 Computer Mouse Computer Mouse Jul 1, 1972 First Video Game First Video Game Dec 28, 1975 Portable Computers Portable Computers May 13, 1986 Computers in the USA Computers in the USA May 13, 1991 World Wide Web World Wide Web May 13, 1998 Google Google
