The DeSeCo project timeline spans from its start in 1997 to the publication of its final framework in 2003 and the executive summary in 2005 (cf. publications).
In its historical archive you can find:
INES General assembly (2000)
DeSeCo Contribution INES General Assembly (2000)
Country contribution process (2000-2001)
Background note
Country reports:
Austria
Belgium
Denmark
Finland
France
Germany
Netherlands
New Zealand
Norway
Sweden
Switzerland
USA
Summary report: 12 countries contributing to DeSeCo (2001)