FrOSCon, St. Augustin (near Bonn, Germany) 2008
From PostgreSQL wiki
FrOSCon (Free and Open Source Conference) 2008 at St. Augustin near Bonn in Germany is a young and upcoming event. The first event was in 2006 and it was a really great success in 2006 and 2007. On FrOSCon 2008 PostgreSQL has a booth, Bernd has a talk about PostgreSQL troubleshooting and Susanne has a 3.5 hour workshop.