Between 970 and 1018, when the Bulgaria of (mostly) King Samuil fought for its life with the Byzantium of Emperors John I Tzimiskes and Basil II, the Bulgarians changed capitals several times.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...