Which of these roles has Nikolić NOT officially held?
Mayor of Belgrade
Deputy Prime Minister
President
Parliamentary President
Answer
**Deputy Prime Minister:** Nikolić has never officially held this position throughout his political career. He has, however, served in various high-ranking roles, including President of Serbia, Prime Minister of Serbia, and leader of the Serbian Progressive Party.
Exploring the Presidency: Test Your Knowledge on Tomislav Nikolić, Former President of Serbia