I actually keep a running tab of stuff. Please be aware these are the Apple-Only entries of the master list I keep:
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1976 - Incorporation of Apple Computer ; Steve Jobs/Steve Wozniak ;
1976 - First Personal Computer ; Jobs/Wozniak ;
1979 - First Modern Spreadsheet ; Personal Software ; VisiCalc for the Apple II
1983 - First Mainstream/Consumer GUI ; Apple Computer ; Star Information System - Designed for Workstations. Steve Jobs paid Xerox for employees to help him Develop what would later be the first commecial GUI - the Mac OS
1983 - First Mainstream/Consumer Mouse ; Apple Computer ; For the LISA
1984 - Introduction Of The Macintosh ; Apple Computer ; The sucessful version of the LISA
1986 - FireWire Invented ; Apple Computer ; Later to be granted the standard 1394 in 1995 by the IEEE
1988 - First CD-ROM Player ; Apple Computer ; Introduced in March
1991 - First Built-In CD-ROM ; Apple Computer ; Centris Line
1991 - First Built-In Video In-Out ; Apple Computer ; Quadra 800/AV
1991 - First Mainstream Voice Recognition (Standard in OS) ; Apple Computer ; Quadra 800/AV
1993 - First Personal Digital Assistant (PDA) ; Casio/TANDY ; Zoomer. BONUS: Term "PDA" Coined by then Apple CEO John Sculley a year before at the 1992 Consumer Electronics Show.
1993 - First Device Using Handwriting Recognition As Primary Means Of Data Entry ; Apple Computer ; Newton MessagePad 100.
1994 - First Trackpad ; Apple Computer ; PowerBook 500 Line
1994 - First Mainstream/Consumer RISC chipset ; AIM (Apple, IBM, Motorola Alliance) ; PowerPC 601 Chip for the Apple PowerMac Line
1995 - FireWire Adopted By The Institute of Electrical and Electronics Engineers (IEEE) ; Apple Computer ; Assigned standard number 1394
1999 - First Mainstream/Consumer Supercomputer ; Apple Computer ; G4 Yikes Line (400MHz @ 3.2GFLOPS classified as Supercomputer By U.S. Gov't: [>1GFLOPs])
1999 - First Mainstream [Built-In] Use of Wireless Networking using 802.11 ("b" specifically) Across all product lines ; Apple Computer ; Branded AirPort. Antennae built into all Apple Computers as standard equipment, and software into OS.
2000 - Video Editing Becomes Basic Available Feature ; Apple Computer ; iMovie
2000 - First Mainstream UNIX platform designed for use by end users ; Apple Computer ; OS X
2001 - First Built-In Consumer DVD Burning Capability ; Apple Computer ; G4 Minitower intoduced 1/9/01 as MWSF with "Superdrive" and iDVD
2003 - FirstComputers with Buit-in Bluetooth Standard ; Apple Computer ; PowerBooks 12" and 17" introduced January 2003
2003 - First 64-Bit Microprocessor-Based Desktop Personal Computer ; Apple Computer ; G5 with the IBM PowerPC 970 Processor, 1Ghz Frontside Bus and Hypertransport Introduced 6/23
2003 - First Personal Computer with Built-In Optical Audio ports ; Apple Computer ; Afore-mentioned G5. Introduced 6/23
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BTW- I'm missing the attribution to who was the first to ship a computer with a Built-In DVD-ROM drive. Anyone?