1966

• As part of U-M's CONCOMP Project an IBM System 360 Model 50 is located at the North University Building (NUBS). This system is used for early MTS development work (May). [UMITD96]
  
• Merit Network founded as the Michigan Education Research and Information Triad by Michigan State University, Wayne State University, and the University of Michigan. [UMITD96]
• MTS development started at U-M, briefly called LTS (LLMPS Terminal System) after MIT's Lincoln Laboratory Multi-Programming Supervisor. Initially intended as an experimental system to gain experience until IBM's TSS became available. [UMITD96]
• U-M's first Data Concentrator built (as part of the ConComp Project). For more than 10 years, these provided the bulk of the terminal, mini-, and microcomputer access to MTS for timesharing users. [UMITD96]

---

1967-1968

1967

• The U-M Computing Center obtains a new single processor IBM System 360 Model 67 serial #2 (January). [UMITD96]
• MTS released to the U-M campus as operating system for IBM S/360-67 (May). [UMITD96]
• Batch-mode access and billing for CPU time added to MTS. [UMITD96]
• MTS starts using the virtual memory features of the IBM S/360-67 (fall). [UMITD96]
• MTS Volumes I and II (second edition) published (December).
  

1968

• First remote graphics station connected to MTS (February). [UMITD96]
• The U-M Computing Center obtains dual-processor IBM S/360-67 (August). [UMITD96]
• Distribution 1.0 of MTS (October). [MTSDist12]
• University of British Columbia runs MTS (November). [UMITD96]

---

1969-1973

1969

• MTS Distribution 1 mod 1. [MTSDist12]
  
• University of Newcastle runs MTS (February). [UMITD96]
• Construction commences on U-M's new North Campus Computing Center Building (October). [UMITD96]

1970

• ARPA funded CONCOMP Project (Research in Conversational Use of Computers) ends. [UMCCNews71]
• MTS Distribution D2.0 (February). [MTSDist12]
  
• MTS Distribution D2.1 (June). [MTSDist12]
  
• University of Alberta runs MTS (September). [UMITD96]

• MTS Distribution D2.2. [MTSDist12]
  

1971

• First issue of the U-M Computing Center Newsletter published (January). [UMCCNews71c ]
• Wayne State University runs MTS (January). [UMITD96]
• U-M Computing Center moves to new building; NUBS remains as a remote batch station (April). [UMITD96]
• MTS runs on an Amdahl 470V/6 computer at U-M (serial number 2).¹ [UMITD96]

1972

• MTS Distribution 2.3. [MTSDist12]
  
• Telex disks replace IBM disks and Data Cell with "equivalent storage capacity" at U-M (January).
• U-M adds really shared files and file locking added (October).

1973

• Two ITEL 7830 disk control units and 20 ITEL 7330 disk drives replace previous disk equipment at U-M (June).
• MTS Distribution 3.0 (August).

---

1974-1980

1974

• MTS Distribution 3.1 (March). [MTSDist12]
  
• First MTS workshop held at University of British Columbia (May). [UMITD96]

1975

• CONFER software provides conferencing and e-mail services via MTS at U-M. [UMITD96]
• An Amdahl 470V/6 (serial #2) installed at U-M.
• MTS Distribution 3.2 (March), first distribution to support the S/370, only distribution to support both the S/360-67 and S/370. [MTSDist12]
  
• Maximum length of a line file line increased from 255 to 32767; the maximum size of a line file increased from 255
  pages to 32767 pages at U-M (October).

• The Merit "Which Host?" network prompt first appears. [UMITD96]
• A computer conference, MNET:CAUCUS, open to the public using CONFER was started by the Merit Network as a reporting facility for network problems and questions, and a forum for discussion of network design and improvement, and other network-related topics (February 1976). [UMCCNews76]
  
• Support for program keys added at U-M (April).
• Rensselaer Polytechnic Institute (RPI) runs MTS (July). [UMITD96]
• Confer and MTS at U-M used in support of a conference of the International Society for Technology Assessment (October). [UMITD96]

1977

• MTS Distribution 4.0 (August), supports S/370, but not S/360-67.
• Simon Fraser University (SFU) runs MTS.

1978

• MTS Distribution 4.1 (May). [MTSDist12]

1979

• MTS Distribution 4.2 (March). [MTSDist12]
• MTS Redistribution D4.2A or RD16 (July). [MTSDist12]
• MTS Redistribution D4.2B or RD17 (October). [MTSDist12]

1980

• MTS Distribution 4.3 (May). [MTSDist12]

---

1981-1984

1981

• Microcomputer access to MTS at U-M provided. [UMITD96]
• MTS Distribution 5.0 (August). [MTSDist12]
  
• $MESSAGE e-mail available on MTS at U-M (July). [UMITD96]

1982

• University of Durham runs MTS as part of NUMAC.
  
• MTS at U-M able to send and receive e-mail to and from remote, non-MTS systems (September). [UMITD96]

• U-M deploys first Secondary Communications Processor (SCP). [UMITD96]
• MTS Distribution 5.1 (August). [MTSDist12]

1984

• U-M forms the Information Technology Division (ITD) by combining the Computing Center, the Office of Administrative Systems, and the Office of Telecommunications. [UMITD96]

---

1985-1999

1985

• UB system and request accounts available to the U-M campus community (May). [UMITD96]

1986

• The first U-M computer conference organized by students (Meet:students) is opened to all students using Confer on MTS (January). [UMITD96]

1988

• MTS Distribution 6.0 (April), the last formal distribution. [MTSDist12]
  

1992

• NUMAC (Newcastle and Durham) stop running MTS.
• SFU stops running MTS.
  
• UB system merged into UM system (January). [UMITD96]

1994

• University of Alberta stops running MTS.
  

1996

• More than 49 million messages sent since 1981 using e-mail on MTS at U-M (April). [UMITD96]
• MTS retired at U-M. Still running at Wayne State University, Rensselaer Polytechnic University, and the University of British Columbia (June). [UMITD96]

1998

• UBC stops running MTS.
• WSU stops running MTS.
  

• MTS retired at RPI. Believed to be the last site to run MTS (June). [UMITD96]

• The web site archive.michigan-terminal-system.org (a Google Sites site) is created as a place to gather, store, and preserve information about MTS until better institutional homes with a longer term future can be found for the material (fall).

• Documents in the Hathi Trust Digital Library related to MTS and the U-M Computing Center are switched from "search-only" to "full-view".
  
• MTS documentation available via bitsavers.org is expanded (January).
• The Bentley Historical Library at the University of Michigan adds MTS documentation to U-M's Deep Blue digital archive (March).
• U-M gives permission to make MTS source and object code freely and widely available to the public under a Creative Commons Attribution License (CC BY 3.0) (July).
• MTS source and object is made available on bitsavers.com (December).
• Less than two days later MTS D6.0 (1988) is successfully IPLed under the Hercules 390 emulator by someone with no previous experience with MTS (December).

• The Yahoo! Groups group H390-MTS is created as a place to hold discussions among folks running MTS on the Hercules emulator.
  
• MTS source and object is made available on U-M's Deep Blue digital archive.
• MTS version D6.0A is released on the MTS Archive site. It is based on the D6.0 version of MTS from 1988 with various fixes and updates to make installation and operation under Hercules in 2012 smoother. [MTSDist12]
• Richard Chycosk reports that "Using Hercules and the Raspbian release of Linux, I have MTS running on a Raspberry Pi" (December).