71 Justinian

Byzantine history goes from the founding of Constantinople as imperial residence on 11 May 330 CE until Tuesday 29 May 1453 CE, when the Ottoman sultan Memhet II conquered the city. Most times the history of the Empire is divided in three periods.

The first of these, from 330 till 867 CE, saw the creation and survival of a powerful empire. During the reign of Justinian (527–565 CE), a last attempt was made to reunite the whole Roman Empire under one ruler, the one in Constantinople. This plan largely succeeded: the wealthy provinces in Italy and Africa were reconquered, Libya was rejuvenated, and money bought sufficient diplomatic influence in the realms of the Frankish rulers in Gaul and the Visigothic dynasty in Spain. The rediscovered unity was celebrated with the construction of the church of Holy Wisdom, Hagia Sophia, in Constantinople. The price for the reunion, however, was high. Justinian had to pay off the Sasanian Persians, and had to deal with firm resistance, for instance in Italy.

Under Justinian, the lawyer Tribonian (500–547 CE) created the famous Corpus Iuris. The Code of Justinian, a compilation of all the imperial laws, was published in 529 CE; soon the Institutions (a handbook) and the Digests (fifty books of jurisprudence), were added. The project was completed with some additional laws, the Novellae. The achievement becomes even more impressive when we realize that Tribonian was temporarily relieved of his function during the Nika riots of 532 CE, which in the end weakened the position of patricians and senators in the government, and strengthened the position of the emperor and his wife.(1)

Mosaic portrait of Justin I in the Basilica of San Vitale, Ravenna
Mosaic portrait of Justin I in the Basilica of San Vitale, Ravenna in the Public Domain

Justinian I devoted much of his reign (527–565 CE) to reconquering Italy, North Africa, and Spain. During his reign, he sought to revive the empire’s greatness and reconquer the lost western half of the historical Roman Empire. This attempt at restoration included an ambitious building program in Constantinople and elsewhere in the empire, by far the most substantial architectural achievement by one person in history.

One notable structure for which Justinian was responsible was the Hagia Sophia, or Church of Holy Wisdom, built by Isidorus of Miletus and Anthemius of Tralles, both of whom would oversee most building projects that Justinian ordered within Constantinople.(2)

The Hagia Sophia

Translated as “Holy Wisdom,” the Hagia Sophia was originally built and dedicated in the fourth century and served as the cathedral, or bishop’s seat, for Constantinople. From its dedication in 360 CE to the Nika Revolt of 532 CE, which proved to be the most violent week of rioting in city’s history, the Hagia Sophia was destroyed twice and rebuilt once, reflecting the symbolic power this religious structure held in its relation not only to Christianity but also to the city of Constantinople.

One of Justinian I’s first building campaigns following the Nika Revolt was to rebuild this cathedral. He turned to scholars Anthemius of Tralles and Isidorus of Miletus to design a revolutionary new church, one that adopted a central plan with extensions to the west and east by half dome apses. The dramatically raised, soaring central dome seems to magically float on light, creating a visually spectacular interior that originally had vibrant mosaic work.

Unfortunately, much of the original mosaic work has been destroyed.

Earthquakes in the sixth and ninth centuries, and the period of Byzantine Iconoclasm beginning around 726 CE, significantly damaged the structure and decoration of the Hagia Sophia. In its conversion to a mosque in 1453, when the Ottoman Empire overtook Constantinople, the religious work experienced more degradation, as mosque workers were known to sell individual mosaic tesserae as good luck charms for those who visited the space.[1]

Hagia Sophia
Hagia Sophia (photo by: Julien Maury | Public Domain)
Image of Jesus found within the Hagia Sophia. Carrying a gold-covered New Testament, Jesus looks forward at the onlooker giving a gesture of blessing with his left hand. On either side of the icon are both halves of the Greek Christogram which together spell Jesus Christ.
Christ Pantocrator mosaic in Hagia Sophia (photo by: Eusebius@Commons | CC BY 2.0)

Justinian’s Law

Byzantine Emperor Justinian I achieved lasting fame through his judicial reforms, particularly through the complete revision of all Roman law, something that had not previously been attempted. There existed three codices of imperial laws and other individual laws, many of which conflicted or were out of date. The total of Justinian’s legislature is known today as the Corpus juris civilis. It was not in general use during the Early Middle Ages. After the Early Middle Ages, interest in it revived. It was “received” or imitated as private law, and its public law content was quarried for arguments by both secular and ecclesiastical authorities. The revived Roman law, in turn, became the foundation of law in all civil law jurisdictions.

The provisions of the Corpus Juris Civilis also influenced the canon law of the Roman Catholic Church; it was said that ecclesia vivit lege romana—the church lives by Roman law. Its influence on common law legal systems has been much smaller, although some basic concepts from the Corpus have survived through Norman law—such as the contrast, especially in the Institutes, between “law” (statute) and custom. The Corpus continues to have a major influence on public international law. Its four parts thus constitute the foundation documents of the western legal tradition.(4)

Iconoclast Controversy

This Image comes from a Byzantine manuscript. It depicts a man in red robe preparing to destroy an image of Christ.
Chludov 9th century, Public domain, via Wikimedia Commons

Around 726 CE, a period of iconoclasm brought the majority of Byzantine artistic production to a halt. Literally translated as “image breaking,” iconoclasm involved the destruction or desecration of religious imagery for the sake of preventing idolatry, as illustrated in a ninth-century drawing from the Chudlov Psalter. This moment was spurred by ongoing religious debate regarding the function and appropriateness of religious imagery. Those who argued against the use of images feared that worshipers would became too engrossed in the image itself, worshiping the image as an idol rather than focusing on the religious narrative or figures it represents. This controversial issue came to a head under Emperor Leo III, who prohibited the creation of new religious imagery and called for the removal and destruction of extant imagery. During this period, the only acceptable imagery to be included in church interiors was the cross. Following this iconoclastic outbreak, the Middle Byzantine Period (843–1204 CE) began when Empress Theodora reinstated the practice of venerating icons, thereby ushering in a new generation of artistic and architectural production.

The return of the splendor of Byzantine interior decoration can be seen in the Saint Mark’s Cathedral, Venice. Expanding the footprint of the Hagia Sophia to take on a Greek cross shape, Saint Mark’s Cathedral includes five monumental domes, each replete with golden mosaic work (on which work continued until the seventeenth century). While the imagery is no less lavish than earlier examples, imagery has been simplified (e.g., the removal of many superfluous details) since at this point, artists sought to emphasize the primacy of the religious narrative or figure being portrayed.

This is illustrated in a relatively contemporaneous version of Christ Pantocrator in the Church of the Dormition, Daphni, Greece (c. 1080–1100 CE). Located in the central dome of the church, this Christ Pantocrator looms large over worshipers. Holding the New Testament in his left arm and assuming a gesture of blessing with his right, Christ here assumes the traditional posture as Pantocrator, or “ruler of all,” a conventional representation of Christ that became popular during this era.[2]


  1. "Byzantine Art and Architecture" by Alexis Culotta and Amy Raffel is licensed under CC BY-NC 4.0
  2. "Byzantine Art and Architecture" by Alexis Culotta and Amy Raffel is licensed under CC BY-NC 4.0

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