President of the European Council extended his influence into financial policy, the most important area left to the rotating Council presidency, with the rotating presidency seeing a greater decrease in power than previously planned. Many of the changes introduced with the Lisbon Treaty need concretion through practical implementation by the current actors. The Spanish presidency unsuccessfully tried to challenge the European Council president's prominent post during the first rotating presidency of 2010, while the second half of the year saw a Belgian rotating presidency marked by a weakened caretaker government which did not challenge Herman van Rompuy, himself a Belgian politician. The Belgian rotating presidency
Christen-Democratisch en Vlaams Kris Peeters subsequently became the next minister-president of Flanders. From 30 December 2008 till 25 November 2009, Herman Van Rompuy led his first cabinet before becoming the first permanent president of the European Council. Afterwards, Yves Leterme led his second government. In June 2009, Flemish elections were held and the CD&V remained the largest party of Flanders. Kris Peeters stayed as Flemish minister-president. The party also remained the largest Flemish party in the European Parliament after the 2009 European elections. In 2010, the Open Flemish Liberals and Democrats (Open VLD) decided to step out of the federal coalition, consequently ending