1982-01-01   Intel 80286
1982-05-20   Unix Wizards Wanted for Pyramid Technology
1982-08-13   Motorola 68010 - See document
1982-11-22   Unix System V

1983-05-17   Western Electric to Produce Unix System V

1984-03-27   AT&T Announces 3B20A Computer
1984-06-01   New Site at Pyramid Technology
1984-06-29   Motorola 68020 - See document

1985-01-21   Unix System V/286
1985-04-xx   Unix System V Release 1.2
1985-08-20   Site pyramid down 4th weekend in August
1985-09-04   AT&T And Sun Join Forces On Unix OS Standard
1985-09-09   Three Ways to Speed Up Computers
1985-09-18   Dhrystone results: Pyramid 90x and VAX-11/750
1985-10-17   Intel 80386DX - See document
1985-12-29   Pyramid tests it's newest news

1986-05-18   New site joins Usenet
1986-09-23   Unix on Multiprocessors - See document  [PDF]
1986-12-16   Pyramid 9810 and 9820 Superminicomputer Systems

1987-10-29   Motorola 68030 - See document

1988-02-09   Synchronization in a Multi-processor System - See document  More  [PDFs]
1988-08-19   Multiprocessing computer
1988-08-22   Unix System V/386 Release 3.2
1988-11-30   Unix International to Guide Development of Unix System V

1989-02-10   Workshop on Distributed & Multiprocessor Systems
1989-03-26   Unix International Multiprocessing Working Group
1989-04-10   Intel 80486DX - See document
1989-06-28   New Fields for the Supercomputer
1989-07-20   Formation of a multiprocessor study group within POSIX - See document
1989-08-24   Workshop on Distributed & Multiprocessor Systems
1989-11-01   Unix System V Release 4
1989-11-06   Compaq Redefines High End - See document

1990-06-25   AT&T Renames Unix Software Unix System Laboratories
1990-07-24   Compaq Systempro - See document
1990-08-21   AT&T's USL, Intel, and SCO open way for 386/486 system market
1990-11-26   Motorola 68040 - See document

1991-04-03   Novell invests in Unix System Laboratories
1991-05-29   Unix International, Unix System Laboratories Announce Multiprocessing
1991-10-08   Unix System V Release 4 Multi-Processor Version
1991-12-12   Novell and Unix System Laboratories create Univel

1992-06-08   File System Multithreading in Unix System V Release 4 MP  [PDF]
1992-06-08   Beyond Multiprocessing: Multithreading the SunOS Kernel  More  [PDFs]
1992-06-09   Virtual Memory HAT Layer for Shared Memory Multiprocessor Machines  [PDF]
1992-06-16   Unix System V Release 4.2
1992-07-20   UI delivers second early access version of SVR4 ES/MP
1992-06-23   Solaris 2.0
1992-10-xx   From OSs to Cooperative Operating Environments - See document  [PDF]
1992-11-04   Solaris 2.1
1992-12-08   Dynix/ptx 1.4.0 in the UK

1993-02-16   Novell signs agreement with AT&T for acquisition of USL
1993-03-17   Unix Labs Announces Unix SVR4.2 SPARC And MIPS Port
1993-03-22   Intel Pentium  60- and 66-MHz - See document
1993-03-29   Solaris 2.2
1993-06-14   Novell Acquires Unix System Laboratories
1993-09-21   Novell Moves to Mainstream Unified Unix Standardizing Source Code on UnixWare
1993-09-21   Solaris 2.3
1993-12-16   Novell Announces UnixWare 1.1

1994-04-04   DYNIX/ptx version 4.0
1994-10-04   Solaris 2.4

1995-01-10   UnixWare 2
1995-04-17   DYNIX/ptx 4.1
1995-09-20   SCO acquires Unix business from Novell and licenses NetWare technology
1995-10-16   Sequent Announces Second Generation Multiprocessing Architecture
1995-10-31   Solaris 2.5
1995-11-07   New Clustering Technology for UnixWare 2
1995-12-06   Novell Completes Sale of UnixWare Business to The Santa Cruz Operation
1995-12-06   SCO Charts Course to Merged Unix System

1996-02-11   SCO UnixWare 2.1
1996-07-18   SCO Forms Internal Group To Enhance Unix System Technologies
1996-10-16   Novell SCO Amendment to Asset Purchase Agreement  [PDF]

1997-02-11   Sequent Delivers Performance with NUMA-Q 2000 Enterprise Server Family
1997-02-11   Sequent Leads the Market in Shipments of High-End, Commercial Unix Servers
1997-04-07   SCO UnixWare Release 2.1.2
1997-06-xx   Sequent's NUMA-Q Architecture  More  [PDFs]
1997-06-30   Sequent Ships NUMA-Q 2000 Clustering Solution for High-Availability
1997-07-xx   Solaris 2.6
1997-08-18   Unix System V Release 5

1998-03-10   UnixWare 7
1998-10-28   Solaris 7

1999-03-18   UnixWare 7 Data Center Edition
1999-07-12   IBM and Sequent Announce Merger Agreement
1999-09-24   IBM Announces Completion of Sequent Merger

2000-03-28   Solaris 8
2000-08-02   Caldera Systems to Acquire SCO Server Software

2001-05-07   Caldera Completes Acquisitions of Two SCO Divisions
2001-06-26   Open Unix 8

2002-05-22   Solaris 9

2004-11-15   Solaris 10