Online Edition
Published continually since 2004
Editor and publisher: Union of International Associations
The International Congress Calendar Online (ICCO) is a comprehensive database designed for academics and professionals who require in-depth research and analytical tools related to international meetings. Covering meetings from 1851 to 2025, it includes entries of over 370,000 events, over 10,000 of which are future international meetings organized or sponsored by international non-profit organizations and associations working worldwide.