There are several international conferences and events related to various subjects that are organized around the world. While it is not possible to provide an exhaustive list of all events related to a specific subject, I can certainly provide some examples of prominent conferences and events that cover a wide range of topics.

1. TED Conferences:
- TED (Technology, Entertainment, Design) is a series of conferences held globally that cover a wide range of subjects including science, technology, arts, and social issues.
- These conferences bring together leading thinkers, innovators, and experts to share their ideas and insights through short, powerful talks.

2. World Economic Forum (WEF):
- The World Economic Forum is an annual meeting held in Davos, Switzerland, that brings together government leaders, business executives, and civil society representatives.
- The forum focuses on discussing and shaping global, regional, and industry agendas to address pressing economic and social issues.

3. United Nations Climate Change Conferences (COP):
- The Conference of the Parties (COP) is an annual gathering organized by the United Nations Framework Convention on Climate Change (UNFCCC).
- These conferences aim to assess progress in dealing with climate change and negotiate and implement agreements to reduce greenhouse gas emissions.

4. International Conference on Artificial Intelligence (IJCAI):
- IJCAI is a leading conference in the field of artificial intelligence (AI) that brings together researchers, practitioners, and policymakers.
- The conference focuses on presenting and discussing the latest advancements in AI research and applications.

5. International Conference on Education (ICE):
- ICE is a conference that focuses on various aspects of education, including teaching methodologies, curriculum development, educational technology, and policy.
- The conference provides a platform for educators, researchers, and policymakers to exchange ideas and share best practices.

These are just a few examples of international conferences and events related to different subjects. There are numerous other conferences and events organized globally covering various fields such as medicine, technology, business, and more. It is advisable to explore relevant websites, academic journals, and professional networks to stay updated about upcoming conferences and events in a specific subject area.