This series of international congresses was initiated to provide a forum for the exchange of the latest information and the most recent advances in research among the international scientific community. Under this program, international congresses on selected topics in science and technology are organized every 4 to 5 years. Past congresses have been attended by over 1000 participants on each occasion.  

1. The First Princess Chulabhorn International Science Congress (10-13 December 1987) "International Congress on Natural Products"

2. The Second Princess Chulabhorn International Science Congress (2-6 November 1992) "Environment, Science and Technology: The Challenges of the 21st Century"

3. The Third Princess Chulabhorn International Science Congress (11-15 December 1995) "Water and Development: Water is Life"

4. The Fourth Princess Chulabhorn International Science Congress (28 November - 2 December 1999) "Chemicals in the 21st Century"

5. The Fifth Princess Chulabhorn International Science Congress (16-20 August 2004) "Evolving Genetics and Its Global Impact"

6. The Sixth Princess Chulabhorn International Science Congress (25-29 November 2007) "The Interface of Chemistry and Biology in the 'Omics" Era: Environment & Health and Drug Discovery" to commemorate the 80^th birthday anniversary of His Majesty the King. (Click to see PC VI )

7. The Seventh Princess Chulabhorn International Science Congress (dates to be announced, has been postponed from November 13-17, 2011) "Cancer: From Basic Research to Cure" to commemorate the 84^th birthday anniversary of His Majesty the King. (Click to see PC VII Website)