 After dissolution of the Socialist Federal Republic of Yugoslavia in the early 1990s, the Sava River, which was the biggest national river in Yugoslavia, has become an international river of 4 former Yugoslav republics.Following the support of the Stability Pact for South-Eastern Europe, four riparian countries of the Sava River Basin - Bosnia and Herzegovina, Federal Republic of Yugoslavia>Serbia, Republic of Croatia and Republic of Slovenia entered into a process of cooperation known as ""the Sava River Basin Initiative"".As result of that, on the November 29, 2001 in Sarajevo was signed "Letter of Intent".After that the basin countries accepted a challenge and managed to conclude the Framework Agreement on the Sava River Basin (FASRB).