MT-1 | Palo Alto, CA | 1965, 8 – 10 September | |
MT-2 | Abingdon, United Kingdom | 1967, 11 – 13 November | |
MT-3 | Hamburg, Germany | 1970, 19 – 22 May | |
MT-4 | Long Island, NY | 1972, 19 – 22 September | |
MT-5 | Rome, Italy | 1975, 21 – 25 April | |
MT-6 | Bratislava, Slovakia | 1977, 22 August – 2 September | |
MT-7 | Karlsruhe, Germany | 1981, 30 March – 3 April | |
MT-8 | Grenoble, France | 1983, 5 – 9 May | |
MT-9 | Zurich, Switzerland | 1985, 9 – 13 September | |
MT-10 | Boston, MA | 1987, 21 – 25 September | |
MT-11 | Tsukuba, Japan | 1989, 28 August – 1 September | |
MT-12 | Leningrad, USSR | 1991, 23 – 28 June | |
MT-13 | Victoria, BC Canada | 1993, 20 – 24 September | |
MT-14 | Tampere, Finland | 1995, 11 – 15 July | |
MT-15 | Beijing, China | 1997, 20 – 25 October | |
MT-16 | Ponte Vedra Beach, FL | 1999, 26 September – 2 October | |
MT-17 | Geneva, Switzerland | 2001, 24 – 28 September | |
MT-18 | Morioka, Japan | 2003, 20 – 24 October | |
MT-19 | Genoa, Italy | 2005, 18 – 23 September | |
MT-20 | Philadelphia, PA | 2007, 27 – 31 August | |
MT-21 | Hefei, Anhui China | 2009, 18 – 23 October | |
MT-22 | Marseille, France | 2011, 12 – 16 September |