 An Early Arab figure is the Roman politician Domitius Modestus who was appointed by Emperor Julian to the position of Praefectus urbi of Constantinople (Modern day Istanbul).And under Emperor Valens, he became Praetorian Prefect of the East whose seat was also in Constantinople.In the 6th century, The famous Arab poet Imru' al-Qais journeyed to Constantinople in the time of Byzantine Emperor Justinian I.