Nicopolis: Did you mean...?

As the Roman Empire expanded further eastward, annexing territories that were once the domain of the Parthians, the legions of Mesopotamia, Cappadocia, and Arabia were called upon to safeguard these newly acquired territories. Mesopotamia...

A portrait of Bayezid I, Sultan of the Ottoman Empire, r. 1389-1402 CE.

The Eastern Roman Empire was under constant Ottoman pressure ever since the new conquerors appeared in the Anatolia. Although the Ottomans tried to take Constantinople on a number of occasions, they had to lift the siege of the city due to...