A rebel movement in this country dubbed the “Goryani” was initiated after a coup executed by this country’s resistance movement NOVA. During a period known as the “big excursion,” many dissidents were imprisoned on this country’s Belene Island. During this country’s Revival Process, many of this country’s ethnically Pomak people were forced to change their last names. A leader of this country, who was previously on trial for the Reichstag Fire, replaced this country’s young (10[1])king Simeon II after a referendum dismantled the monarchy. A ricin pellet in an umbrella was used to assassinate this country’s dissident, Georgi Markov. For 10 points, Georgi Dimitrov and Todor Zhivkov were leaders of what Balkan country whose capital is Sofia? ■END■