Previous Symposiums Previous Symposiums The following are the dates and locations of the symposiums held to date.1974 – Frankfurt, Germany1977 – Frankfurt, Germany1984 – Ottawa, Canada1986 – Rome, Italy1988 – Paris, France1990 – Washington, DC, USA1992 – London, England, UK1984 – Denver, CO, USA1996 – Braunschweig, Germany1998 – Seattle, WA, USA2000 – Santiago, Chile2002 – Roma, Italy2004 – Montreal, Canada2006 – Toulouse, France2008 – Oklahoma City, OK, USA2010 – Beijing, China2012 – Braunschweig, Germany2014 – Oklahoma City, OK, USA2016 – Belgrade, Serbia2018 – Monterey, CA, USA2022 – Durban, South Africa