On 15 June 1903, Peter I of Serbia become the new Serbian head of state, the third son of Alexander Karadjordjević, he had been educated in France and Switzerland.
A nationalistic Serb, he had fought in the Bosnian War, Peter is crowned in 1904, the new King is committed to the creation of true parliamentary government.

Sava Grujić, who had replaced Jovan Avakumović's "revolutionary" 1903 Cabinet, is offered to form a new government either with Pašić Old Radicals or with the Independent Radicals Grujić became head of the Council of State in June then, looking for the widest possible support in the National Assembly, on 4 October 1903, Grujić formed a coalition Cabinet embracing both wings of the Radical Party: the Old Radicals of Pašić and the Independent Radicals led by the younger French-oriented intellectuals.

On 21 November 1903, he became prime minister staying in that position until 27 November 1904.
In the negotiations for a new Cabinet, in November 1904, both groups concluded that their coalition could not continue, given their differences in the major issues such as floating a loan, purchase of guns and railway construction From 1 March 1906 to 17 April 1906, he was Prime Minister and War Minister.
The Radical Party entered its Golden Age.
After over twenty years of struggle, rebellion, crisis, compromise, and success, it became powerful and mature enough to dominate Serbian politics and decisively contribute to Serbia's emergence as a democratic European state.
On 15 June 1903, Peter I of Serbia become the new Serbian head of state, the third son of Alexander Karadjordjević, he had been educated in France and Switzerland. A nationalistic Serb, he had fought in the Bosnian War, Peter is crowned in 1904, the new King is committed to the creation of true parliamentary government.
Sava Grujić, who had replaced Jovan Avakumović's "revolutionary" 1903 Cabinet, is offered to form a new government either with Pašić Old Radicals or with the Independent Radicals Grujić became head of the Council of State in June then, looking for the widest possible support in the National Assembly, on 4 October 1903, Grujić formed a coalition Cabinet embracing both wings of the Radical Party: the Old Radicals of Pašić and the Independent Radicals led by the younger French-oriented intellectuals.
On 21 November 1903, he became prime minister staying in that position until 27 November 1904. In the negotiations for a new Cabinet, in November 1904, both groups concluded that their coalition could not continue, given their differences in the major issues such as floating a loan, purchase of guns and railway construction From 1 March 1906 to 17 April 1906, he was Prime Minister and War Minister. The Radical Party entered its Golden Age. After over twenty years of struggle, rebellion, crisis, compromise, and success, it became powerful and mature enough to dominate Serbian politics and decisively contribute to Serbia's emergence as a democratic European state.
Sava Grujić