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
History of the European Union since 2004 in 2009. The "Lisbon Treaty" finally came into force on 1 December 2009. It created the post of President of the European Council and significantly expanded the post of High Representative. After much debate about what kind of person should be President, the European Council agreed on a low-key personality and chose Herman Van Rompuy while foreign policy-novice Catherine Ashton became High Representative. Ashton was given the task of drawing up the plan for the new European External Action Service (EEAS) and soon received criticism on her abilities, her diplomatic decisions and her plans for the EEAS though many dismissed