July 2007: Agreement on the census of research processing and funding and the identification of formal and legal barriers
July 2008: Approval of the common action plan to increase the level of co-operation
July 2008: Approval of the white book on common structure and standards
July 2008: Launch of a test call for proposals for a targeted coordinated pan-European activity in astrophysics
March 2009: Approval of the report on common structure and strategy.
November 2010: Launch of a second common call