That leader, Kaloyan the Romanslayer, was part of its second empire, while during  its first empire Boris I oversaw the Council of Preslav which put Simeon I in power.
One of the leaders of what is now this country killed Baldwin I of Constantinople at the end of the   Fourth Crusade. That leader, Kaloyan the Romanslayer, was part of its second empire, while during  its first empire Boris I oversaw the Council of Preslav which put Simeon I in power. Its Committee   for State Security killed dissident Georgi Markov in London during its communist period, during  which this country was headed by Todor Zhivkov. This country was established in the Treaty of San  Stefano, and after losing territory during World War One, this country joined the Axis in an attempt  to get that territory back in World War II, making it easier for Germany to attack Greece. Name  this country recently headed by soccer player Boyko Borisov.
One of the leaders of what is now this country killed Baldwin I of Constantinople at the end of the   Fourth Crusade.
Republic of {Bulgaria}