Before revision: In 1394-95 , Ivan Shishman of Bulgaria referred to himself not as a Tsar (as traditionally), but as a gospodin of Tarnovo, and in foreign sources was styled herzog or merely called an "infidel bey".
After revision: In 1394–95 , Ivan Shishman of Bulgaria referred to himself not as a Tsar (as traditionally), but as a gospodin of Tarnovo, and in foreign sources was styled herzog or merely called an "infidel bey".