| Aug 2000 | Start of WHYMAP at CGMW General Assembly, Rio de Janeiro |
| Dec 2000 | Draft project proposal, IAH-Meeting, Cape Town |
| Aug 2001 | Creation of the WHYMAP consortium (UNESCO + CGMW + IAH + BGR), Paris |
| Jan 2002 | Setting up the WHYMAP executing unit at BGR |
| Mar 2003 | Participation of WHYMAP in the 3rd World Water Forum, Kyoto |
| Jun 2003 | WHYMAP Steering Committee Meeting, Koblenz |
| Mar 2004 | 2nd Steering Committee Meeting, Paris |
| Aug 2004 | Presentation of a 'Special Edition' of the Groundwater Resources Map of the World, 32nd International Geological Congress, Florence |
| Apr 2005 | 3rd Steering Committee Meeting, Paris |
Mar 2006
| Presentation of the map 'Groundwater Resources of the World - Transboundary Aquifer Systems', 4th World Water Forum, Mexico City |
| Nov 2006 | Recharge meeting for the Groundwater Resources Map of the World at IAEA , Vienna |
| Jan 2007 | Consortium Meeting, Paris |
| Sep 2007 | Presentation of the proof of the Groundwater Resources Map of the World, XXXV IAH Congress, Lisboa |
| Aug 2008 | Presentation of the final Groundwater Resources Map of the World, 33rd International Geological Congress, Oslo |
| Mar 2012 | Presentation of the map 'River And Groundwater Basins of the World', 6th World Water Forum, Marseille |
| Apr 2015 | Presentation of the map 'Global Groundwater Vulnerability to Floods and Droughts', 7th World Water Forum, Daegu & Gyeongbuk |
| Sep 2017 | Presentation of the 'World Karst Aquifer Map', 44th Congress of the International Association of Hydrogeologists (IAH), Dubrovnik |
| Oct 2018 | Presentation of the updated 'Groundwater Resources Map of Africa', 7th Africa Water Week, Libreville |
| Mar 2022 | Presentation of the map 'Groundwater Resources in the ECOWAS Region', 9th World Water Forum, Dakar |
| Feb 2023 | Presentation of the 'Mediterranean Karst Aquifer Map', final KARMA workshop, Montpellier |
