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 550,000 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

2025/05/06 - 2025/06/08

Conference

European Association of Political Consultants (EAPC)
Lisbon, Portugal
2025/05/12 - 2025/05/26

Conference

Asia Pacific Career Development Association (APCDA)
Zhengzhou, China
2025/05/15 - 2025/05/23

Annual Executive Meeting

International Commission on Large Dams (ICOLD)
Chengdu, China
2025/05/16 - 2025/05/25

Annual General Assembly and Congress

Conseil international du sport militaire (CISM)
Colombo, Sri Lanka
2025/05/17 - 2025/05/24

Congress

Radiology International
Buenos Aires, Argentina
2025/05/18 - 2025/05/24

World Rose Convention

World Federation of Rose Societies (WFRS)
Fukuyama, Japan
2025/05/18 - 2025/05/23

Annual Scientific Meeting

South Pacific Underwater Medicine Society (SPUMS)
Bali, Indonesia
2025/05/18 - 2025/05/23

Fundamentals of Adsorption (FOA)

International Adsorption Society (IAS)
Porto, Portugal
2025/05/18 - 2025/05/23

World Congress of Structural and Multidisciplinary Optimization (WCSMO)

International Society for Structural and Multidisciplinary Optimization (ISSMO)
Kobe, Japan
2025/05/19 - 2025/05/23

Spring Americas Summit

Health Information Sharing and Analysis Center (H-ISAC)
Naples FL, USA
2025/05/19 - 2025/05/23

World Building Congress

International Council for Research and Innovation in Building and Construction (CIB)
West Lafayette IN, USA
2025/05/19 - 2025/05/23

World Congress of Agroforestry

International Union of Agroforestry (IUAF)
Kigali, Rwanda
2025/05/19 - 2025/05/23

World Gas Conference

International Gas Union (IGU)
Beijing, China
2025/05/19 - 2025/05/23

International Conference on Autonomous Agents and Multiagent Systems (AAMAS)

International Foundation for Autonomous Agents and Multiagent Systems (IFAAMAS)
Detroit MI, USA
2025/05/19 - 2025/05/23

Congress

Conseil international des machines à combustion (CIMAC)
Zurich, Switzerland
2025/05/19 - 2025/05/23

Regular Session

United Nations Commission on Crime Prevention and Criminal Justice (CCPCJ)
Vienna, Austria
2025/05/19 - 2025/05/23

International Conference on Computational Heat & Mass Transfer (ICCHMT)

International Conference on Computational Heat, Mass and Momentum Transfer (ICCHMT)
Antalya, Türkiye
2025/05/20 - 2025/05/23

AIR Forum Annual Conference

Association for Institutional Research (AIR)
Orlando FL, USA
2025/05/20 - 2025/05/23

Annual Convention

Global Pulse Confederation (GPC)
Singapore, Singapore
2025/05/20 - 2025/05/23

International γδ T Cell Conference

International Gamma/Delta T Cell Conference
Toronto ON, Canada
2025/05/20 - 2025/05/24

World Media Economics and Management Conference (WMEMC)

World Media Economics and Management Conference (WMEMC)
Warsaw, Poland
2025/05/20 - 2025/05/24

Congress

International Society for Human and Animal Mycology (ISHAM)
Foz do Iguaçu, Brazil
2025/05/20 - 2025/05/23

European Conference of Protective Clothing

European Society of Protective Clothing (ESPC)
Kusadasi, Türkiye
2025/05/20 - 2025/05/24

Conference

Network of International Business Schools (NIBS)
Troy AL, USA
2025/05/20 - 2025/05/23

Web Science Conference

Web Science Trust (WST)
New Brunswick NJ, USA
2025/05/20 - 2025/05/23

Annual General Meeting

ID4Africa
Addis Ababa, Ethiopia
2025/05/20 - 2025/05/23

Congress

Nordic Association of Otolaryngology
Tromsø, Norway
2025/05/21 - 2025/05/23

World Leadership Conference

International Women's Forum (IWF)
Seattle WA, USA
2025/05/21 - 2025/05/23

FAOBMB Conference

Federation of Asian and Oceanian Biochemists and Molecular Biologists (FAOBMB)
Busan, Korea Rep
2025/05/21 - 2025/05/24

Open Science Meeting (OSM)

Past Global Changes (PAGES)
Shanghai, China
2025/05/21 - 2025/05/23

Triennial Congress

International Commission on Large Dams (ICOLD)
Chengdu, China
2025/05/21 - 2025/05/24

World Congress on Endometriosis

World Endometriosis Society (WES)
Sydney NSW, Australia
2025/05/21 - 2025/05/24

International Congress on Systemic Lupus Erythematosus

International Congress on Systemic Lupus Erythematosus (LUPUS)
Toronto ON, Canada
2025/05/21 - 2025/05/23

Conference

Nordic Association for Lexicography
Vejle, Denmark
2025/05/21 - 2025/05/23

Annual Meeting and General Assembly

European Association of Pump Manufacturers (EUROPUMP)
Prague, Czechia
2025/05/21 - 2025/05/23

European Label Forum

FINAT
Amsterdam, Netherlands
2025/05/21 - 2025/05/23

European Navigation Conference (ENC)

European Group of the Institutes of Navigation (EUGIN)
Wroclaw, Poland
2025/05/21 - 2025/05/23

Annual Conference

Euro-ISME
Madrid, Spain
2025/05/21 - 2025/05/24

SEAISI Conference & Exhibition

South East Asia Iron and Steel Institute (SEAISI)
Jakarta, Indonesia
2025/05/21 - 2025/05/24

DFI-EFFC International Conference on Deep Foundations

European Federation of Foundation Contractors / Deep Foundations Institute /
Bruges, Belgium
2025/05/21 - 2025/05/23

International Forum on Quality and Safety in Healthcare - Europe

Institute for Healthcare Improvement (IHI)
Utrecht, Netherlands
2025/05/21 - 2025/05/24

Annual Meeting

International Society for Gynecologic Endoscopy (ISGE)
Zanzibar, Tanzania UR
2025/05/21 - 2025/05/23

Annual AFINet Conference

Addiction and the Family International Network (AFINet)
Québec QC, Canada
2025/05/21 - 2025/05/25

Meeting

International Actuarial Association (IAA)
Sao Paulo, Brazil
2025/05/21 - 2025/05/23

HiSoN 2025 Conference

Historical Sociolinguistics Network (HiSoN)
Bristol, UK
2025/05/21 - 2025/05/23

European Conference for Existential Therapy

Federation for Existential Therapy in Europe (FETE)
Rome, Italy
2025/05/21 - 2025/05/23

Annual Conference

European Forest Science Academic Network (Silva Network)
Zvolen, Slovakia
2025/05/21 - 2025/05/23

European Stroke Conference

European Stroke Organisation (ESO)
Helsinki, Finland
2025/05/21 - 2025/05/23

Annual Summit

International Transport Forum (ITF)
Leipzig, Germany
2025/05/22 - 2025/05/25

International Conference

International Association of Oral and Maxillofacial Surgeons (IAOMS)
Singapore, Singapore
2025/05/22 - 2025/05/24

European Conference on Healthcare Engineering

International Federation of Healthcare Engineering (IFHE)
Antwerp, Belgium
2025/05/22 - 2025/05/25

Annual Convention

Association for Psychological Science (APS)
Washington DC, USA
2025/05/22 - 2025/05/24

Annual REFORC Conference on Early Modern Christianity

Reformation Research Consortium (REFORC)
Vienna, Austria
2025/05/22 - 2025/05/24

Annual Conference

International Association for Forensic Psychotherapy (IAFP)
Sydney NSW, Australia
2025/05/22 - 2025/05/25

Conference on the Early Neolithic of Europe (ENE)

Conference on the Early Neolithic of Europe (ENE)
Zadar, Croatia
2025/05/22 - 2025/05/24

Annual Meeting

European Veterinary Parasitology College (EVPC)
Thessaloniki, Greece
2025/05/22 - 2025/05/24

European Dirofilaria Days

European Society of Dirofilariosis and Angiostrongylosis (ESDA)
Thessaloniki, Greece
2025/05/22 - 2025/05/24

Conference

Asian Cinema Studies Society (ACSS)
Pokfulam, Hong Kong
2025/05/22 - 2025/05/24

Nordic-Baltic Congress of Cardiology

Nordic-Baltic Congress of Cardiology (NBCC)
Copenhagen, Denmark
2025/05/22 - 2025/05/23

European Conference on Social Media (ECSM)

European Conference on Social Media (ECSM)
Porto, Portugal
2025/05/22 - 2025/05/25

EMEA Meeting

IECnet
Rabat, Morocco
2025/05/22 - 2025/05/24

Annual Congress

EUROSAC
Thessaloniki, Greece
2025/05/22 - 2025/05/23

International Congress

AEA - International Lawyers Network (AEA)
Madrid, Spain
2025/05/22 - 2025/05/24

Spring Symposium

European Academy of Dermatology and Venereology (EADV)
Prague, Czechia
2025/05/22 - 2025/05/24

International Conference on Complications in Interventional Radiology (ICCIR)

Cardiovascular and Interventional Radiological Society of Europe (CIRSE)
Pörtschach, Austria
2025/05/22 - 2025/05/25

EURORDIS Membership Meeting

EURORDIS - Rare Diseases Europe
Riga, Latvia
2025/05/22 - 2025/05/23

Spring General Assembly

Air Conditioning and Refrigeration European Association (AREA)
Istanbul, Türkiye
2025/05/22 - 2025/05/23

Conference

European Brand and Packaging Design Association (epda)
Hamburg, Germany
2025/05/22 - 2025/05/23

LAWASIA Alternative Dispute Resolution Conference

LAWASIA - Law Association for Asia and the Pacific
Singapore, Singapore
2025/05/22 - 2025/05/24

Meeting

Asian-Australasian Society for Stereotactic and Functional Neurosurgery (AASSFN)
Beijing, China
2025/05/22 - 2025/05/25

Annual ECVO Conference

European College of Veterinary Ophthalmologists / European Society of Veterinary Ophthalmology /
Edinburgh, UK
2025/05/22 - 2025/05/23

UX Days

Association francophone des professionnels de l'expérience utilisateur (Flupa)
Paris, France
2025/05/22 - 2025/05/26

AVP USA 50 Years Anniversary Meeting

Alternatives to Violence Project International (AVP International)
New York NY, USA
2025/05/22 - 2025/05/24

Conference

European Society of Endocrine Surgeons (ESES)
Izmir, Türkiye
2025/05/23 - 2025/05/28

Triennial Conference on Molecular Quantum Mechanics (MQM)

Molecular Quantum Mechanics Conference (MQM)
Kyoto, Japan
2025/05/23 - 2025/05/25

Annual Conference

Association of European Printing Museums (AEPM)
Tartu, Estonia
2025/05/23 - 2025/05/26

Congress

Nordisk Møte for Barneonkologisk Sykepleie (NOBOS)
Riga, Latvia
2025/05/23 - 2025/05/25

Annual General Meeting

International Veteran Cycle Association (IVCA)
Sully-sur-Loire, France
2025/05/23 - 2025/05/26

Annual Meeting

Nordic Society for Pediatric Hematology and Oncology (NOPHO)
Riga, Latvia
2025/05/23 - 2025/05/30

Seminar

Global Citizenship Alliance (GCA)
Salzburg, Austria
2025/05/23 - 2025/06/01

Congress

Union internationale de la marionnette (UNIMA)
Chuncheon, Korea Rep
2025/05/23 - 2025/05/26

International Congress

Latin American Studies Association (LASA)
San Francisco CA, USA
2025/05/23 - 2025/05/24

Half-Yearly Meeting

Council of European Dentists (CED)
Gdansk, Poland
2025/05/23 - 2025/05/25

European Conference

BPW Europe - European Region of BPW International
Valletta, Malta
2025/05/23 - 2025/05/25

International Operational Modal Analysis Conference (IOMAC)

International Operational Modal Analysis Conference / IOMAC Association / (IOMAC)
Rennes, France
2025/05/23 - 2025/05/26

Conference

International Association for the Study of Traditional Environments (IASTE)
Alexandria, Egypt
2025/05/23 - 2025/05/27

ITTF Summit

International Table Tennis Federation (ITTF)
Doha, Qatar
2025/05/23 - 2025/05/26

Annual Meeting

European Society of Hypertension (ESH)
Milan, Italy
2025/05/23 - 2025/05/24

Meeting

European Organisation for Treatment of Trophoblastic Diseases (EOTTD)
Madrid, Spain
2025/05/24 - 2025/05/28

International Conference on Emergency Medicine

International Federation for Emergency Medicine (IFEM)
Montréal QC, Canada
2025/05/24 - 2025/05/26

Congress

Asian-Pacific Society on Thrombosis and Hemostasis (APSTH)
Wuhan, China
2025/05/24 - 2025/05/27

European Human Genetics Conference

European Society of Human Genetics (ESHG)
Milan, Italy
2025/05/24 - 2025/05/29

Pacific Rim Conference on Ceramic and Glass Technololgy (PACRIM)

Pacific Rim Conference on Ceramic and Glass Technololgy (PACRIM)
Vancouver BC, Canada
2025/05/24 - 2025/05/28

Conference

African Insurance Organization (AIO)
Addis Ababa, Ethiopia
2025/05/25 - 2025/05/28

Nordic Conference on Child Abuse and Neglect

Nordic Association for Prevention of Child Abuse and Neglect (NASPCAN)
Copenhagen, Denmark
2025/05/25 - 2025/05/27

Euroanaesthesia Annual Meeting

European Society of Anaesthesiology and Intensive Care (ESAIC)
Lisbon, Portugal
2025/05/25 - 2025/05/27

European Conference on General Thoracic Surgery

European Society of Thoracic Surgeons (ESTS)
Budapest, Hungary
2025/05/25 - 2025/05/30

Annual Conference

Computer Coupling of Phase Diagrams and Thermochemistry (CALPHAD)
Busan, Korea Rep
2025/05/25 - 2025/05/28

World Conference on Medical Education

World Federation for Medical Education (WFME)
Bangkok, Thailand
2025/05/25 - 2025/05/28

World Recycling Convention

Bureau of International Recycling (BIR)
Valencia, Spain
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