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
2007–11 Belgian political crisis until the regional and European Parliament elections in June 2009 or, if possible, until the next federal election in 2011. On 28 December, King Albert II gave Herman Van Rompuy the task of forming a new government, which would include the current ruling parties. Van Rompuy and his government were sworn in on 30 December 2008. On 24 April 2010, the government of Yves Leterme (who had replaced Van Rompuy again when Van Rompuy became President of the European Council) fell over the Brussels-Halle-Vilvoorde issue. An early election was held on 13 June 2010, resulting in the New Flemish Alliance