Meetings & Global Events
- 08–12 September 2008: JENAM2008, New Challenges to European Astronomy. Wien, Austria.
- 15–16 January 2009: IYA2009 Opening Event. UNESCO, Paris, France.
- 19–23 January 2009: IAU Symposium 260: "The Rôle of Astronomy in Society and Culture". UNESCO, Paris, France.
- 03 - 14 August 2009: IAU`s XXVII General Assembly, Rio de Janeiro, Brazil
- 25 - 31 October 2009: The European Society for Astronomy in Culture 17th Annual Meeting, Alexandria, Egypt
National Opening Ceremonies
- Belgium: 16 January 2009
- Taiwan: 18 January
- Philippines: 19 January 2009
- Germany: 20 January 2009
- Brazil: 20-28 January 2009 (The opening events of IYA2009 in Brazil will take place in 50 different cities)
- Spain:
- 27 January 2009: Official Openning of IYA2009 (Madrid)
- 19 February 2009: Openning for the general public (Cuenca)
- Portugal: 31 January 2009
- Switzerland: 5 February
- Hong Kong: 7 February 2009
National Nodes: 135
Organisational Nodes: 32
National Websites: 87
Cornerstone Projects: 11
Special Task Groups: 11
Special Projects:6
