16th

May 13-17, 2007

Vancouver Convention Center, Canada

15th

April 11-15, 2004

Sheraton Hotel, Santiago, Chile

14th

May 27-31, 2001

Congress Center, Amsterdam, The Netherlands

13th

May 11-14, 1998

Keio Plaza Hotel, Tokyo, Japan

12th

May 22-25, 1995

Melia Castilla Hotel, Madrid, Spain

11th

May 3-7, 1992

Congress Center, Melbourne, Australia

10th

May 14-18, 1989

Sheraton Hotel, Buenos Aires, Argentina

9th

May 26-29, 1986

Expo Center, Brussels, Belgium

8th

June 19-23, 1983

Queen Elizabeth Hotel, Montreal, Canada

7th

May 18-22, 1980

Sheraton Hotel, Munich, Germany

6th

May 2-5, 1977

New Otani Hotel, Tokyo, Japan

5th

May 29-June 1, 1974

Americana Hotel, Miami, FL, USA

4th

May 23-27, 1971

Grosvenor House, London, U.K.

3rd

May 19-22, 1968

Copacabana Palace, Rio, Brazil

2nd

May 21-23, 1965

UNESCO Building, Paris, France

1st

Aug. 31-Sept. 2, 1961

Hofburg, Vienna, Austria