Principality of Bulgaria
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The Principality of Bulgaria was a vassal state under the suzerainty of the Ottoman Empire. It was established by the Treaty of Berlin in 1878.
Stefan Stambolov
An IMARO banner
Administrative subdivisions of Eastern Rumelia in 1907
Bulgarian unification of 1885
Battle of Slivnitsa
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The Battle of Slivnitsa was a battle between the Bulgarian Army and the Royal Serbian Army from 17 to 19 November 1885, in the Serbo-Bulgarian War. The Bulgarian victory solidified the unification bet
Alexander of Battenberg on the battlefield of Dragoman