The leader of Bulgaria during World War 1 was Tsar Ferdinand I. Formerly Bulgaria's prince regnant, he took the title of Tsar in 1908.
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union makes the power
If you mean what is bulgarians religion. They are Christians.
around 7 million
box by Kubrat Pulev
No, he is a dictator, but he has taken the title dear leader
The current leader of the sand village is Gaara. His title as leader of the sand village is Kazekage.
The title of a Portuguese leader is the president. The current leader and president of Portugal is known as Anibal Cavaco Silva.
Around 7 300 000 people
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The title is the prime minister.