Serbo-Bulgarian War

The Serbo-Bulgarian War or the Serbian–Bulgarian War (Srăbsko-bălgarska voyna, Srpsko-bugarski rat) was a war between the Kingdom of Serbia and Principality of Bulgaria that erupted on and lasted until. Despite Bulgaria being a vassal state of the Ottoman Empire, the Ottomans did not intervene in the war. Serbia took the initiative in starting the war but was decisively defeated. Austria-Hungary demanded for Bulgaria to stop its invasion, and a truce resulted. The final peace was signed on in Bucharest. The old boundaries were not changed. As a result of the war, European powers acknowledged the act of Unification of Bulgaria which happened on.
Ver en Wikipedia.org