Sarajevo was never Serbian, not even at the height of the medieval empire.

So he brought to an end to the medieval Byzantine Empire.

Kosovo is an important cultural and historical symbol for the Serbs; it was the center of their medieval empire.

There are indeed many beautiful Serbian monasteries in Kosovo, and it was an important center of the medieval empire.

This book describes the desert nation of Ylaruam, a land similar to the medieval Islamic empire at its height.

He is opposed to that, and uncertain what to do about Kosovo, treasured by Serbs as the center of their medieval empire.

It had held a medieval empire.

He conquered Constantinople, bringing an end to the medieval Byzantine Empire.

As Rus was one of the largest medieval empires, it is only natural that it would cover a variety of geographic zones.

In 1396 or 1422, the medieval Bulgarian Empire had ceased to exist, falling under full Ottoman domination.