[[Image:Justinian.jpg|right|thumb|Emperor Justinian (center)|250px]]
'''Justinian I''' (ca. 483-565) was the greatest empire of the Eastern Roman (or [[Byzantine Empire|Byzantine]]) Empire. He ruled from 527 until his death. Justinian was preceded by [[Justin I]] and succeeded by [[Justin II]]. He was the husband of the famous Empress [[Theodora]].
He is best known for his military succeses, as he regained most of the territory of the old [[Roman Empire]]. He also is famous for the writing of [[Justinian Code|Justinian's Code]], the law code that is the basis of modern law.