Principality of Servi

principality

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Knyazhestvo Balgariya

Knyazhestvo Balgariya was a vassal state under the suzerainty of the Ottoman Empire. It was established by the Treaty of Berlin in 1878. It lasted until 1908, becoming the Tsarstvo Bŭlgariya. It would eventually become known as the "Prussia of the Balkans", for its consistent wars and military.