1991


 * January 15: Future Apple software engineer Ed Mackowiak is born.
 * March 18: Apple co-founder Steve Jobs marries Laurene Powell in a ceremony at Yosemite National Park.
 * March 27: IBM spins off its printer division into Lexmark.
 * April 11-13: Apple Expo holds its spring event at Parc Chanot in Marseille, France.
 * May 13-17: The 1991 Worldwide Developers Conference is held at the San Jose McEnery Convention Center in California, where System 7 is released.
 * July 19: Peripheral manufacturer Kensington is incorporated.
 * August 6: The first website of the World Wide Web goes live on a NeXT Computer.
 * August 28: The first email from space was sent from a Macintosh Portable running AppleLink aboard the Space Shuttle Atlantis.
 * September 5: After reaching a licensing agreement with Connectix, Apple Computer makes MODE32 freely available to 32-bit Macs without 32-bit clean ROMs.
 * September 18-21: Apple Expo holds its fall event in Puteaux, France.
 * October 2: Apple Computer, IBM, and Motorola jointly form the AIM alliance, which was created to developed a new computing platform which would be known as PowerPC.
 * October 21: The Macintosh Classic II and first PowerBooks are released to the public.
 * December: QuickTime 1.0 is released.
 * MacAddict (later named Mac|Life) calls 1989 to 1991 the "golden age of the Macintosh".