History of Computers By nreese 1953 first computer transistor University of Manchester's Transistor Computer Jul 18, 1968 Intel founded Nov 15, 1971 first microprocessor invented D4004 Dec 19, 1974 first pc is invented Altair 8800 Mar 5, 1975 first computer club Homebrew Computer Club Apr 4, 1975 Windows founded 1976 first Apple computer demonstrated demonstrated at Homebrew Computer Club Apr 1, 1976 Apple founded Nov 20, 1985 Windows 1.0 invented
