Germany ended its alliance with Austria- Hungary as Austria- Hungary declaring war on Serbia have on alliances in Europe.
Due to unresolved conflicts between ethnic minorities in the new countries, which fueled the wars, Yugoslavia's component republics proclaimed independence. Between 1991 and 1999, Serbia participated in the Yugoslav Wars, which included the conflicts in Slovenia, Croatia, Bosnia, and Kosovo. Slobodan Miloevi presided over Serbia from 1991 until 1997. The Federal Republic of Yugoslavia included Serbia (FRY). Croatia and Slovenia proclaimed their independence in 1991 as a result of nationalist movements' demands for further autonomy inside Yugoslavia. The Yugoslav army, which was controlled by Serbs, retaliated, first in Slovenia and subsequently in Croatia. In the later fight, which was halted in 1992 under a UN-monitored ceasefire, thousands of people died.
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As a result of Austria and Hungary launching war on Serbia, Germany broke its alliance with them.
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