Launched in 1969 at the initiative of ICMI President Hans Freudenthal (1905-1990), the ICMEs have been held since then in leap years. The years and sites of past ICMEs are:
ICME-1 1969 Lyon (France)
ICME-2 1972 Exeter (UK)
ICME-3 1976 Karlsruhe (Germany)
ICME-4 1980 Berkeley (USA)
ICME-5 1984 Adelaide (Australia)
ICME-6 1988 Budapest (Hungary)
ICME-7 1992 Québec (Canada)
ICME-8 1996 Sevilla (Spain)
ICME-9 2000 Tokyo (Japan)
ICME-10 2004 Copenhagen (Denmark)
ICME-11 2008 Monterrey (México)