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
Ukraine–European Union Association Agreement European Union, Russia, and Ukraine… this is our responsibility". President Viktor Yanukovych was removed from power by Ukrainian parliament majority vote after 2014 Ukrainian revolution and replaced by a new interim government in February 2014. At an EU summit in Brussels on 21 March 2014, the new Ukrainian Prime Minister, Arseniy Yatseniuk, and European Union leaders Herman Van Rompuy and José Manuel Barroso, along with the 28 national political leaders or heads of state on the European Council, signed in Brussels the political provisions of the AA, with the DCFTA to be signed after the presidential election in May 2014.