1 Diplomatic policy with the Goths

The East was quiet during the reign of Theodosius. The Goths and their allies entrenched in the Balkans consumed his attention. The Gothic crisis was bad enough that his co-Emperor Gratian relinquished control of Illyrian provinces and retired to Trier in Gaul to let Theodosius operate without hindrance. A major weakness in the Roman position after the defeat at Adrianople was in recruiting barbarians to fight against barbarians. Theodosius was reduced to the expensive expedient of shipping his recruits to Egypt and replacing them with more seasoned Romans, but there were still switches of allegiance that resulted in military setbacks. Gratian sent generals to clear Illyria of Goths, and Theodosius was able finally to enter Constantinople on November 24, 380, after two seasons in the field. The final treaties with the remaining Goth forces, signed October 3, 382, permitted large contingents of Goths to settle along the Danube frontier in the diocese of Thrace and largely govern themselves. Many would serve in Roman legions and others, as foederati, would join for a single campaign, while bands of Goths switching loyalties became a destabilizing factor in the internal struggles for control of the Empire. In the last years of Theodosius' reign, one of their emerging leaders named Alaric, participated in Theodosius' campaign against Eugenius in 394, only to resume his rebellious behaviour against Theodosius' son and eastern successor, Arcadius, shortly after Theodosius' death.

2 Civil wars in the Empire

The army of Eugenius, marching under the banner of Hercules invictus marked the last stand of an official segment of the Roman Empire against the new official cult.

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3 Theodosius the patron

Theodosius oversaw the erection in 390 of the Egyptian obelisk from Karnak. As Imperial spoils, it still stands in the Hippodrome, the long racetrack that was the center of Constantinople's public life and scene of political turmoils. Re-erecting the monolith was a challenge for the technology that had been honed in siege engines (compare the 20th century arms race). The obelisk, still recognizably a solar symbol, was removed to Alexandria in the first flush of Christian triumphalism at mid-century, but then spent a generation lying at the docks while people figured how to ship it to Constantinople. (It was cracked in transit nevertheless.) The white marble base (illustration left) is entirely covered with bas-reliefs documenting the Imperial household and the engineering feat itself. Theodosius and the Imperial family are separated from the nobles among the spectators in the Imperial box with a cover over them as a mark of their status. The naturalism of the Roman tradition in such scenes is giving way to a conceptual art: the idea of order, decorum and respective ranking, expressed in serried ranks of faces, is beginning to oust the mere transitory details of this life, celebrated in pagan portraiture.

4 Orthodox Christianity becomes the State Religion

Apparently Theodosius was raised in a "Nicene" (Catholic), non- Arian family, for two days after he arrived in Constantinople, November 24, 380, Theodosius expelled the Arian bishop, Demophilus of Constantinople, and surrendered the churches of that city to Gregory Nazianzus, the leader of the small Catholic or "Nicene" community there, an act which provoked rioting. Theodosius had just been baptized, by bishop Acholius of Thessalonica, during a severe illness, as was common in the early Christian world. In February he and Gratian published an edict that all their subjects should profess the faith of the Bishops of Rome and Alexandria, later reinforced by the Theodosian Code, (XVI, I, 2) of Theodosius II. The law recognized both the primacy of those two sees (and the problematic theology of many of the patriarchs of Constantinople, who, because they were under the direct eye of the emperors, were sometimes deposed and replaced by more theologically pliable successors?)

For the first part of his rule, Theodosius seems to have ignored the semi-official standing of the Christian bishops; in fact he had voiced his support for the preservation of temples or pagan statues as useful public buildings. Then, in a series of decrees called the Theodosian decrees he progressively declared that those pagan feasts that had not yet been rendered Christian ones were now to be workdays (in 389). In 391, he outlawed blood sacrifice and decreed "no one is to go to the sanctuaries, walk through the temples, or raise his eyes to statues created by the labor of man". The temples that were thus closed could be declared "abandoned" as Bishop Theophilus of Alexandria immediately noted in applying for permission to demolish a site and cover it with a Christian church, an act that must have received general sanction, for mithraea forming crypts of churches and temples forming the foundations of 5th century churches appear throughout the former Roman Empire. Theodosius participated in actions by Christians against major cult sites: the destruction of the gigantic Serapeum of Alexandria and its library by a mob in around 392, authorized by Theodosius (extirpium malum) and described in exultant detail by Christian propagandists, was only the most spectacular such occasion (Peter Brown, The Rise of Western Christendom, 2003, p. 73-74). The destruction of the greatest temple in Alexandria gave encouragement to Christian vigilantism and mob action in other centers, often spurred on by the local bishops, as early hagiographies proudly relate.

By decree in 391, Theodosius ended the subsidies that had still trickled to some remnants of Greco-Roman civic paganism too. The eternal fire in the Temple of Vesta in the Roman Forum was extinguished, and the Vestal Virgins were disbanded. Taking the auspices and practicing witchcraft were to be punished. Pagan members of the Senate in Rome appealed to him to restore the Altar of Victory in the Senate House; he refused.

Now Theodosius portrayed himself on his coins holding the labarum.

The apparent change of policy that resulted in the "Theodosian decrees" has often been credited to the increased influence of bishop Ambrose, bishop of Milan. The personal piety of Theodosius cannot be assessed. It is worth noting that in 390 Ambrose had excommunicated Theodosius, who had recently ordered the massacre of several thousand inhabitants of Thessalonica, in response to the assassination of his military governor stationed in the city and that Theodosius performed several months of public penance. The specifics of the decrees were superficially limited in scope, specific measures in response to various petitions and accusations from the increasingly militant Christians throughout his administration. In 391 or 392 he officially sanctioned the destruction of the most famous of the temples in the East, the Serapeum at Alexandria. Bands of monks and Christian officials had long been accustomed to take the law into their own hands and destroy various centers of pagan worship, but the destruction of the Serapeum seemed to confirm that such actions enjoyed the emperor's tacit approval at least, and served to encourage such action in the future. Theodosius had been effectively manipulated into sanctioning the destruction of the Serapeum by local officials who had essentially engineered the crisis there for this very purpose.

Ambrose preached a panegyric at Theodosius' funeral.

5 The Theodosian women

Galla Placidia

Justa Grata Honoria

Serena

Pulcheria

6 External link

• De Imperatoribus Romanis website: Theodosius I

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Preceded by Gratian and ' Valentinian II

Roman Emperor with Gratian and Valentinian II

Succeeded by Flavius Augustus Honorius and ' Arcadius

Late Antiquity Roman emperors

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