The league holds a biennial world conference. •
Kyoto 1987 "Historical Cities in the 21st Century – Tradition and Creativity -" •
Florence 1988 "Historical Cities in the Future of Mankind" •
Barcelona 1991 "The Memories of and Futures of Cities" • Kyoto 1994 "In Quest of the Wisdom of Historical Cities" •
Xi'an 1996 "Revival of Historical Cities" •
Kraków 1998 "Heritage and Development of Historical Cities" •
Montpellier 2000 "History of Value" •
Montreal 2003 "Conserving and Developing – How? With whom? Why? –" •
Gyeongju 2005 "Today and Tomorrow of the Historical Cities: Preservation and Restoration of the Historical Cities" •
Ballarat 2006 "Sustainable Historical Cities: – Economics, Preservation and Visions for the Future –" •
Konya 2008 "Living Cultural Heritage in Historical Cities" •
Nara 2010 "Succession of Historical City with Creative Revitalization" •
Huế 2012 "Defining Universal Heritage Challenges and Solutions" •
Yangzhou 2014 "Historical Cities: Ancient Culture Integrated into Modern Civilization" •
Bad Ischl 2016 "Smart, innovative, creative historical cities of the future" •
Bursa 2018 "The Impact of Globalization on Culture and Way of Living" == Member cities ==