foreign policy of the Byzantine state from 1328 to 1391

Ever since Emperor Constantine the Great (305-337 AD) moved the capital of the Roman Empire from Rome on the banks of the Tiber to its new location (Constantinople) on the banks of the Bosphorus, the empire-later known as the Byzantine Empire-lived in the minds of its emperors as a natural extension of the Roman Empire. The Byzantine Empire endured for a long period, experiencing fluctuations in p...