Kingdom of Serbiaball (medieval)

Kingdom of Serbiaball was a medieval stateball in Europe. During the existence of the medieval Kingdom of Serbiaball, Serbiaball would become a powerful empireball in the Balkans and beat the Byzantines, Bosnians, and Bulgarians and eventually forming Serbian Empireball.

History
Kingdom of Serbiaball was born as a 2ball, adopted by  Illyriaball,  SPQRball,  Western Roman Empireball,  Slavsball and  Byzantineball before becoming independent. After the many conquests that he succeeded in, he soon became the Serbian Empireball