Title: Bŭlgarii︠a︡ pod vŭzdeĭstvieto na geopolitikata
Subjects: History, Geopolitics, Influence, Politics and government, Varna, Battle of, Varna, Bulgaria, 1444, Foreign relations, Histoire, Géopolitique, Politique et gouvernement, Bataille de Varna, Varna, Bulgarie, 1444, Relations extérieures, Diplomatic relations
Places: Bulgaria, Byzantine Empire, Turkey, Bulgarie, Empire byzantin, Empire ottoman, Varna
Time periods: Ottoman Empire, 1288-1918