Previous World Congresses

Sevilla, Spain

Beijing, China

Marrakech, Morocco

2009

Sydney, Australia

2005

Skiathos Is, Greece

2001

Netanya, Israel

1997

Lisbon, Portugal

1993

Singapore, Singapore

1989

Copenhagen, Denmark

1985

Ottawa, Canada

1981

Prague, Czechoslovakia

Madrid, Spain

1973

Washington DC, USA

1968

http://www.dreamstime.com/stock-photo-washington-dc-image13936340

Rome, Italy

1965