However , after the Yalta Conference on 16 February 1945 , Ivan Šubašić 's government arrived in Belgrade . After much negotiation and persuasion , King Peter II finally agreed to power transition . Under the agreement , three days later , the royal government and the NKOJ resigned . The new government was formed on 7 March 1945 , and on 9 March adopted a Declaration . That night Tito read it in a broadcast over Radio Belgrade
Yalta Conference
Yalta Conference
Provisional Government of the Democratic Federal Yugoslavia