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'Flavius Theodosius' (
January 11,
347 –
January 17,
395), also called 'Theodosius I' and 'Theodosius the Great', was
Roman Emperor from
379-395. Reuniting the eastern and western portions of the empire, Theodosius was the last emperor of both the
Eastern and
Western Roman Empire. After his death, the two parts split permanently. He is also known for making
Christianity the official
state religion of the Roman Empire.
Career
Born in Cauca (modern
Coca,
Spain), to a senior military officer,
Theodosius the Elder, Theodosius accompanied his father to
Britannia to help quell the
Great Conspiracy in
368. He was military commander (''
dux'') of
Moesia, a Roman province on the lower
Danube, in
374. However, shortly thereafter, and at about the same time as the sudden disgrace and execution of his father, Theodosius retired to Cauca. The reason for his retirement, and the relationship (if any) between it and his father's death is unclear. It is possible that he was dismissed from his command by the emperor
Valentinian I after the loss of two of Theodosius' legions to the
Sarmatians in late
374.
The death of Valentinian I created political pandemonium. Fearing further persecution on account of his family ties, Theodosius abruptly retired to his family estates where he adapted to the life of a provincial aristocrat.
From
364 to
375, the Roman Empire was governed by two co-emperors, the brothers
Valentinian I and
Valens; when Valentinian died in 375, his sons,
Valentinian II and
Gratian, succeeded him as rulers of the Western Roman Empire. In
378, after
Valens was killed in the
Battle of Adrianople, Gratian appointed Theodosius to replace the fallen emperor as ''co-augustus'' for the East. Gratian was killed in a rebellion in
383. After the death in
392 of Valentinian II, whom Theodosius had supported against a variety of usurpations, Theodosius ruled as sole emperor, defeating the usurper
Eugenius on
September 6,
394, at the
Battle of the Frigidus (
Vipava river, modern
Slovenia).
Family
By his first wife,
Aelia Flaccilla, he had two sons,
Arcadius and
Honorius and a daughter,
Pulcheria; Arcadius was his heir in the east and Honorius in the west. Both Pulcheria and Aelia Flaccilla died in
385. By his second wife,
Galla, daughter of the emperor Valentinian I, he had a daughter,
Galla Placidia, the mother of
Valentinian III.
Diplomatic policy with the Goths
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 the
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 the recruiting of
barbarians to fight against barbarians. In order to reconstruct the Roman Army of the West, Theodosius needed to find able bodied soldiers and so he turned to the barbarians recently settled in the Empire. This caused many difficulties in the battle against barbarians since the newly recruited fighters had little or no loyalty to Theodosius.
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.
The Goths settled in the Empire had, as a result of the treaties, military obligations to fight for the Romans as a national contingent, as opposed to being integrated into the Roman forces.
[1] However, many Goths would serve in Roman legions and others, as ''
foederati,'' 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.

The administrative divisions of the Roman Empire in 395, under Theodosius I.
Civil wars in the Empire
After the death of
Gratian in
383, Theodosius' interests turned to the
Western Roman Empire, for the usurper
Magnus Maximus had taken all the provinces of the West except for Italy. This self-proclaimed threat was hostile to Theodosius' interests, since the reigning emperor
Valentinian II, Maximus' enemy, was his ally. Theodosius, however, was unable to do much about Maximus due to his still lacking military and was forced to keep his attention on local matters. However when Maximus began an invasion into Italy in 387, Theodosius was forced to take action. The armies of Theodosius and Maximus met in 388 at Poetovio and Maximus was defeated. On August 28, 388 Maximus was executed.
[2]
Trouble arose again, after Valentinian was found hanging in his room. It was claimed to be a suicide by the ''
magister militum'',
Arbogast. Arbogast, unable to assume the role of emperor, elected
Eugenius, a former teacher of rhetoric. Eugenius started a program of restoration of the
Pagan faith, and sought, in vain, Theodosius' recognition. In January of
393, Theodosius gave to his son
Honorius the full rank of Augustus in the West, suggesting Eugenius' illegitimacy.
[3]
Theodosius campaigned against Eugenius. The two armies faced at the
Battle of Frigidus in September of
394.
[4] The battle began on September 5,
394 with Theodosius' full frontal assault on Eugenius' forces. Theodosius was repulsed and Eugenius thought the battle to be all but over. In Theodosius' camp the loss of the day decreased morale. It is said that Theodosius was visited by two "heavenly riders all in white"
[3] who gave him courage. The next day, the battle began again and Theodosius' forces were aided by a natural phenomenon known as the
Bora[3], which produces cyclonic winds. The Bora blew directly against the forces of Eugenius and disrupted the line.
Eugenius' camp was stormed and Eugenius was captured and soon after executed. Thus Theodosius became the only emperor.
Theodosius the patron
Theodosius oversaw the raising 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 turmoil. Re-erecting the monolith was a challenge for the technology that had been honed in
siege engines. 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, and was cracked in transit nevertheless. The white
marble base 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. Christianity had only just been appointed the new state religion.
Nicene Christianity becomes the state religion
Theodosius promoted Nicene Trinitarianism within Christianity and Christianity within the empire. In
391 he declared Christianity as the only legitimate imperial religion, ending state support for the traditional Roman religion.
Nicene Creed
In the
4th century, the
Christian Church was wracked with controversy over the divinity of
Jesus Christ, his relationship to
God the Father, and the nature of the
Trinity. In 325,
Constantine I convened the
Council of Nicea, which asserted that Jesus, the Son, was equal to the Father, one with the Father, and of the same substance (''homoousios'' in Greek). The council condemned the teachings of the theologian
Arius: that the Son was a created being and inferior to God the Father, and that the Father and Son were of a similar substance (''homoiousios'' in Greek) but not identical (see
Nontrinitarian). Despite the council's ruling, controversy continued. By the time of Theodosius' accession, there were still several different church factions that promoted alternative
Christology.
Arians
While no mainstream churchmen within the Empire explicitly adhered to
Arius (a bishop from Alexandria, Egypt) or his teachings, there were those who still used the ''homoiousios'' formula, as well as those who attempted to bypass the debate by merely saying that Jesus was like (''homoios'' in Greek) God the Father, without speaking of substance (''ousia''). All these non-Nicenes were frequently labeled as
Arians (i.e., followers of Arius) by their opponents, though they would not have identified themselves as such. (For a succinct survey of the situation just before Theodosius' accession, see Lenski
[7]).

On the reverse of this coin minted under
Valentinian II, the co-ruler of Theodosius in 379-392, both Valentinian and Theodosius are depicted with
halos.
The Emperor Valens had favored the group who used the ''homoios'' formula; this
theology was prominent in much of the East and had under the sons of Constantine the Great gained a foothold in the West. Theodosius, on the other hand, cleaved closely to the Nicene Creed: this was the line that predominated in the West and was held by the important
Alexandrian church.
Establishment of Nicene orthodoxy
Two days after Theodosius arrived in Constantinople, (
November 24,
380), Theodosius expelled the non-Nicene bishop,
Demophilus of Constantinople, and appointed
Meletius to patriarch of Antioch, and appointed
Gregory of Nazianzus one of the
Cappadocian Fathers from
Antioch (which is now Turkey) to patriarch of Constantinople. 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 (i.e., the Nicene faith). The move was mainly thrust at the various beliefs that had arisen out of Arianism, but smaller dissident sects, such as the
Macedonians, were also prohibited.
In May,
381, Theodosius summoned a new ecumencial council at Constantinople to fix the schism between East and West on the basis of Nicean orthodoxy.
[8] "The council went on to define orthodoxy, including the mysterious Third Person of the Trinity, the Holy Ghost who, though equal to the Father, 'proceeded' from Him, whereas the Son was 'begotten' of Him.
[9] The council also "condemned the Apollonian and Macedonian heresies, clarified church jurisdictions according to the civil boundaries of dioceses and ruled that Constantinople was second in precedence to Rome."
[9]
With the
death of Valens, the Arians' protector, his defeat probably damaged the standing of the Homoian faction.
Pagan conflicts during the reign of Theodosius I
Death of Western Roman Emperor Valentinian II
On May 15, 392,
Valentinian II was found hanged in his residence in the town of
Vienne in
Gaul. The Frankish soldier and Pagan
Arbogast, Valentinian's protector and
magister militum, maintained that it was suicide. Arbogast and Valentinian had frequently disputed rulership over the Western Roman Empire, and Valentinian was also noted to have complained of Arbogast's control over him to Theodosius. Thus when word of his death reached Constantinople Theodosius believed, or at least suspected, that Arbogast was lying and that he had engineered Valentinian's demise. These suspicions were further fueled by Arbogast's elevation of a
Eugenius, pagan official to the position of Western Emperor, and the veiled accusations which
Ambrose, the Bishop of Milan, spoke during his funeral oration for Valentinian.
Valentinian II's death sparked a civil war between Eugenius and Theodosius over the rulership of the west in the
Battle of the Frigidus. The resultant eastern victory there led to the final brief unification of the Roman Empire under Theodosius, and the ultimate irreparable division of the empire after his death.
Proscription of Paganism
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. In his early reign, Theodosius was fairly tolerant of the pagans, for he needed the support of the influential pagan ruling class. However he would in time stamp out the last vestiges of paganism with great severity.
[11]. His first attempt to inhibit paganism was in 381 when he reiterated Constantine's ban on sacrifice. But for the most part in his early reign he was very tolerant on pagans in the Empire.
In 388 he sent a prefect to Syria, Egypt, and Asia Minor with the aim of breaking up pagan associations and the destruction of their temples. The
Serapeum at Alexandria was destroyed during this campaign.
[12]. 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 reiterated the ban of
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"
[13]. 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 Pagan sites: the destruction of the gigantic
Serapeum of Alexandria and its library by a mob in around
392, according to the Christian sources authorized by Theodosius (''extirpium malum''), needs to be seen against a complicated background of less spectacular violence in the city:
[14] Eusebius mentions street-fighting in Alexandria between Christians and non-Christians as early as 249, and non-Christians had participated in the struggles for and against
Athanasius in 341 and 356. "In 363 they killed Bishop George for repeated acts of pointed outrage, insult, and pillage of the most sacred treasures of the city."
[15].
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. After the last
Olympic Games in
393, Theodosius cancelled the games, and the reckoning of dates by
Olympiads soon came to an end. 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
Ambrose,
bishop of Milan. 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 from Christians throughout his administration.
Modern historians question the consequences of the laws against pagans.
[16]
Theodosian women
★
Galla Placidia, daughter of Theodosius
★
Serena, niece of Theodosius and wife of
Flavius Stilicho
Death
Theodosius died, after battling the vascular disease
oedema, in
Milan on January 17,
395.
Ambrose organized and managed Theodosius's lying state in Milan. Ambrose delivered a
panegyric titled ''De Obitu Theodosii''
[17] before
Stilicho and
Honorius in which Ambrose detailed the suppression of heresy and paganism by Theodosius. Theodosius was finally laid to rest in Constantinople on November 8,
395.
[18]
See also
★
Carranque, Spain, the site of a villa attributed to
Maternus Cinigius, uncle of Theodosius. Includes marble from the Emperor's quarries.
★
Zosimus Pagan Historian from the time of Theodosius
Notes and references
1. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 34
2. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 64
3. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 129
4. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 134
5. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 129
6. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 129
7. Lenski, Noel, ''Failure of Empire'', U. of California Press, 2002, ISBN 0-520-23332-8, pp. 235-237
8. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 54
9. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 55
10. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 55
11. "Theodosius I", Catholic Encyclopedia, 1912.[1]
12. Socr., V, 16
13. Michael Routery, ©1997, ''The First Missionary War. The Church take over of the Roman Empire'', Ch. 4, The Serapeum of Alexandria
14. Michael Routery 1997, cit.
15. Ramsay McMullan, ''Christianizing the Roman Empire A.D. 100-400'' (Yale University Press) 1984: 90.
16. R. Malcolm Errington, Christian Accounts of the Religious Legislation of Theodosius I. in Klio 79, 1997, pp. 398ff.
17. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 139
18. Williams, Stephen & Friell, Gerard, Theodosius: The Empire at Bay, Yale University Press, 1994. 140
★ Brown, Peter, ''The Rise of Western Christendom'', 2003, p. 73-74
★ Williams, Stephen & Friell, Gerard, ''Theodosius: The Empire at Bay'', Yale University Press, 1994.
External links
★
De Imperatoribus Romanis, Theodosius I