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
President of the European Parliament Jerzy Buzek, former Prime Minister of Poland and member of Solidarity Electoral Action, was elected as the first president from the central and eastern European countries which joined in the 2000s (more precisely, he is the first person from a country that joined the EU after 1986 to hold the post). The two major factions of the European Parliament, the EPP and the S&D, have reached a formal agreement to share the presidency under the 2009–2014 term. Under the agreement, Jerzy Buzek will be president in the first half of the term and a S&D member would be elected in