This information is part of the Open Calendar, a free service of UIA's subscription-based International Congress Calendar Online (ICCO). It includes only current and future international meetings organized by non-profit organizations working worldwide in all fields of activity. The number of meetings, information contained in their profiles, and search functionality of this free service are limited.

The full-featured International Congress Calendar Online (ICCO) includes over 497,000 meetings (past, current, future), additional information in profiles, sophisticated search functionality and data exports. For more information about ICCO, please click here or contact us.

The UIA is a leading provider of information about international non-profit organizations. The aim of the Open Calendar is to promote the activities of international non-governmental organizations (INGOs) and intergovernmental organizations (IGOs).

Future International Meetings & Congresses

Event Organization Location Start Date End Date

Annual Meeting

European Society for Vascular Surgery (ESVS) Belfast, UK 2023/09 2023/09

World Sleep Congress

World Sleep Society Rio de Janeiro, Brazil 2023/09 2023/09

Asia-Pacific Regional Conference

International Society for Terrain-Vehicle Systems (ISTVS) Harbin, China 2023/09 2023/09

European-African Regional Conference

International Society for Terrain-Vehicle Systems (ISTVS) 2023/09 2023/09

Triennial General Assembly

International Council on Monuments and Sites (ICOMOS) Sydney NSW, Australia 2023/09 2023/09


Global Research Alliance for Sustainable Finance and Investment (The Alliance) New Haven CT, USA 2023/09 2023/09

Colloquium Spectroscopicum Internationale

Colloquium Spectroscopicum International (CSI) Japan 2023/09 2023/09

World Congress on Industrial Process Tomography

International Society for Industrial Process Tomography (ISIPT) Tianjin, China 2023/09 2023/09

Quadrennial Congress

International Association of Engineering Geology and the Environment (IAEG) Chengdu, China 2023/09 2023/09

Biennial Congress

World Veterinary Poultry Association (WVPA) Kuching, Malaysia 2023/09/01 2023/09/04

Biennial International Complement Workshop

International Complement Society Newcastle upon Tyne, UK 2023/09/01 2023/09/05

Annual Meeting

International Society of Electrochemistry (ISE) Lyon, France 2023/09/03 2023/09/08

Annual Meeting

European Meteorological Society (EMS) Bratislava, Slovakia 2023/09/03 2023/09/08

EUROMAT : European Conference on Advanced Materials and Processes

Federation of European Materials Societies (FEMS) Frankfurt-Main, Germany 2023/09/03 2023/09/07

EAGE Conference on Petroleum Geostatistics

European Association of Geoscientists and Engineers (EAGE) Porto, Portugal 2023/09/03 2023/09/07


International Federation of Societies of Cosmetic Chemists (IFSCC) Barcelona, Spain 2023/09/04 2023/09/07


World Veterinary Poultry Association (WVPA) Verona, Italy 2023/09/04 2023/09/08

Annual Conference

Australasian Society of Clinical Immunology and Allergy (ASCIA) Sydney NSW, Australia 2023/09/04 2023/09/06

World Congress on Military Medicine

International Committee of Military Medicine (ICMM) Adelaide SA, Australia 2023/09/04 2023/09/08

Congresso Internacional da História da Construção Luso-Brasileira

Congresso Internacional da História da Construção Luso-Brasileira (CIHCLB) Guimarães, Portugal 2023/09/04 2023/09/07

Building Simulation - International IBPSA Conference and Exhibition

International Building Performance Simulation Association (IBPSA) Shanghai, China 2023/09/04 2023/09/06

Apimondia Congress

International Federation of Beekeepers' Associations (APIMONDIA) Santiago, Chile 2023/09/04 2023/09/07

International Congress on Shoulder and Elbow Surgery (ICSES)

International Board of Shoulder and Elbow Surgery (IBSES) Rome, Italy 2023/09/05 2023/09/08


International Federation of Placenta Associations (IFPA) Rotorua, New Zealand 2023/09/05 2023/09/08

Annual Meeting

Scoliosis Research Society (SRS) Seattle WA, USA 2023/09/06 2023/09/09

European Regional Congress

International Society for Labour and Social Security Law (ISLSSL) Ghent, Belgium 2023/09/06 2023/09/08

Annual Conference

European Society of Criminology (ESC) Florence, Italy 2023/09/06 2023/09/09

Annual Workshop

European Helicobacter and Microbiota Study Group (EHMSG) Antwerp, Belgium 2023/09/07 2023/09/09

Annual Conference

International Society for History Didactics (ISHD) Tallinn, Estonia 2023/09/07 2023/09/09

Annual Hydrocephalus Meeting

International Society for Hydrocephalus and Cerebrospinal Fluid Disorders (ISHCSF) Hamburg, Germany 2023/09/08 2023/09/11

World Congress of Optometry

World Council of Optometry (WCO) Melbourne VIC, Australia 2023/09/08 2023/09/10

World Congress

International Society for Diseases of the Esophagus (ISDE) Toronto ON, Canada 2023/09/08 2023/09/10

Annual Meeting

European Thyroid Association (ETA) Milan, Italy 2023/09/09 2023/09/12

Annual Congress

International Fiscal Association (IFA) Cancún, Mexico 2023/09/10 2023/09/14

Annual Congress

EUROTOX Ljubljana, Slovenia 2023/09/10 2023/09/13

World Congress

International Society of Ultrasound in Obstetrics and Gynaecology (ISUOG) 2023/09/10 2023/09/13

Financial Services Exchange Conference

Institute of Internal Auditors (IIA) Washington DC, USA 2023/09/10 2023/09/11

Annual Conference

International Association of Claim Professionals (IACP) Greensboro GA, USA 2023/09/10 2023/09/13

International Conference on Infrared, Millimeter and Terahertz Waves

International Society of Infrared, Millimeter and Terahertz Waves (IRMMW-THz) Montréal QC, Canada 2023/09/10 2023/09/15

World Conference on Explosives and Blasting Techniques

European Federation of Explosives Engineers (EFEE) Dublin, Ireland 2023/09/10 2023/09/12

International Meeting on Organic Geochemistry (IMOG)

European Association of Organic Geochemists (EAOG) Montpellier, France 2023/09/10 2023/09/15

Annual Convention

International Association of Industrial Accident Boards and Commissions (IAIABC) Denver CO, USA 2023/09/11 2023/11/14

IFFS World Congress

International Federation of Fertility Societies (IFFS) Athens, Greece 2023/09/11 2023/09/14

World Water Congress

International Water Resources Association (IWRA) Beijing, China 2023/09/11 2023/09/15


United Nations (UN) New York NY, USA 2023/09/12 2023/09/30


The Lutheran World Federation (LWF) Krakow, Poland 2023/09/13 2023/09/19

World Congress

International Laparoscopic Liver Society (ILLS) Italy 2023/09/13 2023/09/15

Annual General Meeting

European Society of Ophthalmic Plastic and Reconstructive Surgery (ESOPRS) Naples, Italy 2023/09/14 2023/09/16

Scientific Meeting

Australasian Society for Breast Disease (ASBD) Adelaide SA, Australia 2023/09/15 2023/09/16

Annual Congress

International Union of Marine Insurance (IUMI) Edinburgh, UK 2023/09/16 2023/09/21


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