| O | The 2014 International Workshop on Advanced Multimedia Computing (AMC-14), Busan, Korea | Others | |
| O | The 2018 Hermann Weyl Prize | Others | |
| P | The 20th Basic Law Debating Contest (Tertiary Level) | | |
| P | The 21th Basic Law Debating Contest (Tertiary Level) | | |
| O | The 24th Hong Kong Youth Science and Technology Innovation Competition | Others | |
| O | The 25th Hong Kong Youth Science and Technology Innovation Competition | Others | |
| O | The 28th Secondary School Students Reading Report Competition, jointly organized by the Commercial Press (Hong Kong) Ltd., Hong Kong Educational Publishing Company | Others | |
| O | The 29th Annual Book Report Competition for Secondary School Students, jointly organized by the Commercial Press (Hong Kong) Ltd., Hong Kong Educational Publishing Company. | Others | |
| O | The 2nd International Conference on Image and Signal Processing (CISP'09) | Others | |
| O | The 33rd Youth literary award | Deleted | |
| O | The 34th Youth literary award | Deleted | |
| O | The 37th Joint School Science Exhibition (J.S.S.E.), Hong Kong | Deleted | |
| O | The 38th Joint School Debating Competition (?38??????????)(Final) | Others | |
| O | The 39th Joint School Debating Competition | Deleted | |
| O | The 3rd China-North America Workshop on Fuel Cell Science and Technology, Advanced Electrochemical and Energy Symposium, The Hong Kong University of Science and Technology, Hong Kong | Others | |
| O | The 3rd World Conference on Information Systems and Technologies (WorldCIST'15), Ponta Delgada, Sao Miguel, Azores Islands, Portugal | Others | |
| O | The 4-th Chinese Conference on Geometric Design and Computing, 2009 | Others | |
| P | The 4th Hong Kong, Taiwan and Guangdong Anesthesia Meeting | | |
| O | The 512 Post-Sichuan Earthquake Field Reconnaissance Team/ Australian Earthquake Engineering Society | Others | |
| O | The 5th Asia Pacific on Transport and the Environment, Singapore | Others | |
