Swedish Prime Minister Fredrik Reinfeldt (C) watches as Slovenian Prime Minister Borut Pahor (L) and his Croatian counterpart Jadranka Kosor sign on November 4, 2009 in Stockholm a deal allowing international arbitration to resolve a thorny border dispute that arose after the two states declared independence from ex-Yugoslavia in 1991. The row has blocked Croatia's European Union membership talks. Getty Images logo Getty Images 3 weeks ago

Swedish Prime Minister Fredrik Reinfeldt (C) watches as Slovenian Prime Minister Borut Pahor (L) and his Croatian counterpart Jadranka Kosor sign on November 4, 2009 in Stockholm a deal allowing international arbitration to resolve a thorny border dispute that arose after the two states declared independence from ex-Yugoslavia in 1991. The row has blocked Croatia's European Union membership talks.