Valens died in the Battle of Adrianople in 378 and was succeeded by Theodosius I, who adhered to the Nicene creed.

Soon after acquiring the undisputed possession of the Roman empire, Theodosius died at Milan in 395, and two years later ( April 4, 397 ) Ambrose also died.

When Theodosius died, in January 395, Honorius and Arcadius divided the Empire, so that Honorius became Western Roman Emperor at the age of ten.

In 408, Arcadius died and was succeeded by his son Theodosius II, only seven years old.

Theodorus Lector, in his 6th-century History of the Church 1: 1 stated that Eudokia ( wife of Theodosius II, died 460 ) sent an image of " the Mother of God " named Icon of the Hodegetria from Jerusalem to Pulcheria, daughter of the Emperor Arcadius: the image was specified to have been " painted by the Apostle Luke.

He died in the reign of the emperor Theodosius at the age of almost eighty ".

Theodosius and Galla had a son Gratian, born in 388 who died young and a daughter Aelia Galla Placidia ( 392 – 450 ).

The new emperor, Theodosius I, made peace with the rebels, and this peace held essentially unbroken until Theodosius died in 395.

His mother had previously been married to Ataulf of the Visigoths, and had borne a son, Theodosius, in Barcelona in 414 ; but the child had died early in the following year, thus eliminating an opportunity for a Romano-Visigothic line.

" Theodosius died, leaving Valentinian still reigning, in July, 450.

The infant son, Theodosius, she bore him died in infancy and was buried in Hispania in a silver-plated coffin, thus eliminating an opportunity for a Romano-Visigothic line.

Meanwhile the emperor Theodosius II died, and Pulcheria and Marcian who succeeded summoned, in October 451, a council ( the fourth ecumenical ) which met at Chalcedon.

After Theodosius II died in 450, his sister Pulcheria returned to power, marrying the officer Marcian, who became Emperor.

He died soon after the opening of the council and the emperor Theodosius I, who had received him with special distinction, ordered his body to be carried to Antioch and buried with the honours of a saint.

Flavius Eugenius ( died 6 September 394 ) was a usurper in the Western Roman Empire ( 392 – 394 ) against Emperor Theodosius I.

Five months later Theodosius died, dividing his empire between his two sons.

When Archbishop Maximianus ( 431 – 434 ) died on Great and Holy Thursday, Proclus was immediately enthroned by the permission of the Emperor Theodosius II and the bishops gathered at Constantinople.

A rescript from Theodosius procured by Proclus, declaring his wish that all should live in peace and that no imputation should be made against anyone who died in communion with the church, appeased the storm.

Emperor Theodosius supported the council's decisions until he died on July 28, 450.

When her father Arcadius died in 408, her brother Theodosius II was made Emperor of the Eastern Roman Empire, at seven years old.

Theodosius II died on July 26, 450, and Pulcheria soon married Marcian on November 25, 450.

Theodosius was made emperor of the Eastern Roman Empire in 408, immediately after his father died.

The Oracle continued until it was closed by emperor Theodosius I in AD 395.

In 325 AD Constantine I abolished the system and restored single emperor rule, but following the death of Theodosius in 395 AD, the empire returned to the system of co-emperors, each with primary authority for half the empire.

She was present at Theodosius ' death on January 17, 395.

* 395: Following the death of Theodosius I, the Empire is permanently split into Eastern Roman Empire ( later Byzantium ) and Western Roman Empire.

* 347 – Roman Emperor Theodosius I " the Great " ( d. 395 )

* 395 – Emperor Theodosius I dies in Milan, the Roman Empire is re-divided into an eastern and a western half.

Theodosius I (; 11 January 347 – 17 January 395 ), also known as Theodosius the Great, was Roman Emperor from 379 to 395.

The administrative divisions of the Roman Empire in 395, under Theodosius I.

The first book sketches briefly the history of the early Roman emperors from Augustus to Diocletian ( 305 ); the second, third and fourth deal more fully with the period from the accession of Constantius Chlorus and Galerius to the death of Theodosius I ; the fifth and sixth, the most useful for historians, cover the period between 395 and 410, when Priscus Attalus was deposed ; for this period, he is the most important surviving non-ecclesiastical source.

* 378 – 395: Theodosius I, Roman emperor, bans pagan worship, Christianity is made the official religion of the Empire.

* 395: Roman Emperor Theodosius I dies, causing the Roman Empire to split permanently.

* January 11 – Theodosius I, Roman Emperor ( d. 395 )

According to the prose version of the play ( see below ), the events are " set in the time of Theodosius ," who ruled from 379 to 395.

A peace and a treaty with those Tervingi ( or Visigoths ), who still fought the Romans in Thrace, was concluded in 382 and it lasted until Theodosius ' death in 395.

From the time of Theodosius I ( r. 379 – 395 ), the emperors no longer appear in the dignity of pontiff, but the title was later applied to the Christian bishop of Rome.

** Theodosius I ( 347 – 395 ; " Theodosius the Great "), son of Count Theodosius

* 395 – Theodosius I dies, leaving the Western empire to his son Honorius and the Eastern empire to his son Arcadius.

Theodosius died a few months later in early 395, leaving his young sons Honorius ( r. 395 – 423 ) and Arcadius ( r. 395 – 408 ) as emperors.

It was not until the co-reigns of Gratian and Theodosius that Arianism was effectively wiped out among the ruling class and elite of the Eastern Empire.

" At the end, he succeeded in obtaining from Theodosius a promise that the sentence should be completely revoked, with the very natural consequence that thereafter the prospect of immunity thus afforded occasioned spoliations of synagogues all over the Empire.

* 450 – Pulcheria becomes empress of the Byzantine Empire after her brother Theodosius II is killed during an hunting accident.

* Constantinople, as seen under the Byzantine emperor Theodosius II, makes several on-screen appearances in the television miniseries " Attila " as the capital of the Eastern Roman Empire.

The Arian influence grew so strong during his tenure in the Imperial court that it wasn't until the end of the Constantinian dynasty and the appointment of Theodosius I that Arianism lost its influence in the Empire.

Theodosius ' strong commitment to Nicene Christianity involved a calculated risk because Constantinople, the imperial capital of the Eastern Empire, was solidly Arian.

* 414 – Emperor Theodosius II, age 13, yields power to his older sister Aelia Pulcheria who reigns as regent and proclaimed herself empress ( Augusta ) of the Eastern Roman Empire.

The Eastern Roman Empire is centered in Constantinople under Arcadius, son of Theodosius, and the Western Roman Empire in Mediolanum under Honorius, his brother ( aged 10 ).

* 379 – Emperor Gratian elevates Flavius Theodosius at Sirmium to Augustus, and gives him power over all the eastern provinces of the Roman Empire.

This was shortly after the Roman Emperor Theodosius I had issued a decree of death for Manichaeans in AD 382 and shortly before he declared Christianity to be the only legitimate religion for the Roman Empire in 391.

The idea of the two halves, the East and the West, re-emerged and eventually resulted in the permanent de facto division into two separate Roman empires after the death of Theodosius I ( though it is important to remember that the Empire was never formally divided, Emperors of East and West legally ruling as one imperial college until the fall of Rome's western empire left Byzantium, the " second Rome ", sole direct heir ).

Theodosius was the last emperor to rule over both the eastern and the western halves of the Roman Empire.

After his death, Theodosius ' sons Arcadius and Honorius inherited the East and West halves respectively, and the Roman Empire was never again re-united.

In order to reconstruct the Roman Army of the West, Theodosius needed to find able bodied soldiers and so he turned to the most capable men readily at hand: the barbarians recently settled 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.

However, by the end of the 4th century, Emperor Theodosius I proclaimed Christianity as the state religion of the Roman Empire.