The Yugoslav Government was the political authority of the Socialist Federal Republic of Yugoslavia, which existed from 1945 until its dissolution in the early 1990s. It was a socialist state composed of six republics: Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia, and Slovenia. The government operated under a one-party system led by the Communist Party and emphasized a unique form of socialism known as "self-management." The government structure included a federal assembly and a presidency, which rotated among the republics. Josip Broz Tito, the country's leader until his death in 1980, played a crucial role in maintaining unity among the diverse ethnic groups. After Tito's passing, rising nationalism and economic challenges led to increasing tensions, ultimately resulting in the breakup of Yugoslavia in the 1990s.