2027 - 12th WHTC, Halifax, Canada
2026 - 25th WHEC, Singapore, Singapore
2025 - 11th WHTC, Dublin, Ireland
2024 - 24th WHEC, Cancun, Mexico
2023 - 10th WHTC, Foshan, China
2022 - 23rd WHEC, Istanbul, Turkey
2021 - 9th WHTC, Montreal, Canada
2019 - 8th WHTC, Tokyo, Japan
2018 - 22nd WHEC, Rio de Janeiro, Brazil
2017 - 7th WHTC, Prague, Czech Republic
2016 - 21st WHEC, Zaragoza, Spain
2015 - 6th WHTC, Sydney, Australia
2014 - 20th WHEC, Gwangju City, Korea
2013 - 5th WHTC, Shanghai, China
2012 - 19th WHEC, Toronto, Canada
2011 - 4th WHTC, Glasgow, Scotland
2010 - 18th WHEC, Essen, Germany
2009 - 3rd WHTC, Delhi, India
2008 - 17th WHEC, Brisbane, Australia
2007 - 2nd WHTC, Montecatini Terme, Italy
2006 - 16th WHEC, Lyon, France
2005 - 1st WHTC, Singapore, Singapore
2004 - 15th WHEC, Yokohama, Japan
2002 - 14th WHEC, Montreal, Canada
2000 - 13th WHEC, Beijing, China
1998 - 12th WHEC, Buenos Aires, Argentina
1996 - 11th WHEC, Stuttgart, Germany
1994 - 10th WHEC, Cocoa Beach, U.S.A.
1992 - 9th WHEC, Paris, France
1990 - 8th WHEC, Honolulu, U.S.A.
1988 - 7th WHEC, Moscow, Russia
1986 - 6th WHEC, Vienna, Austria
1984 - 5th WHEC, Toronto, Canada
1982 - 4th WHEC, Pasedena, U.S.A
1980 - 3rd WHEC, Tokyo, Japan
1978 - 2nd WHEC, Zurich, Switzerland
1976 - 1st WHEC, Miami Beach, U.S.A.
1974 - Theme Conference, Miami Beach, U.S.A.
