1989 - After ruling for 33 years , Bulgarian Communist Party leader Todor Zhivkov is replaced by foreign minister Petar Mladenov, who in 1990 changes the party's name to Bulgarian Socialist Party.
…………………………………………………………………………………………………………. यो मुलुक सिंगापुर जस्तो बनिसकेको छैन मात्र राजनीतिक परिवर्तन...