When Constantius died in 306, his son Constantine was crowned emperor on July 25 and subsequently accepted by Galerius into the tetrarchy as Caesar.

After examining the primary documents he concludes: " In sum, the only formal and well-attested Council of Sirmium during the reign of Constantius is the council of 351 which condemned Athanasius, Marcellus, and Photinus and promulgated the creed which was subsequently presented to the Councils of Arles and Milan.

However, during the time of Arianism's flowering in Constantinople, the Gothic convert Ulfilas ( later the subject of the letter of Auxentius cited above ) was sent as a missionary to the Gothic barbarians across the Danube, a mission favored for political reasons by emperor Constantius II.

He entered the army at an early age, when Constantius II was emperor of the East, and was sent to serve under Ursicinus, governor of Nisibis in Mesopotamia, and magister militum.

Though he made initial preparations for the war, Constantine fell ill and sent Constantius east to take command of the eastern frontier.

Vetranio immediately sent letters to Constantius pledging his loyalty, which Constantius may have accepted simply in order to stop Magnentius from gaining more support.

Not long after Constantius sent Julian off to Gaul.

In 421, Honorius recognized him as co-emperor Constantius III ; however, when the announcement of his elevation was sent to Constantinople, Theodosius refused to recognise him.

King Chnodomarius was captured and later sent to Constantius in Milan.

According to Geoffrey of Monmouth's History of the Kings of Britain ( 1136 ), Constantius was sent to Britain by the Senate after Asclepiodotus, here a British king, was overthrown by Coel of Colchester.

The able general having been disposed of, Constantius besieged the city for three months until the general of Constantine, Edobichus, who had been sent across the border to find allies, did return with a large army of Franks and Alamanni.

Attalus too tried to flee but was captured by the forces of Constantius and sent to Ravenna.

Before 421 he was sent to the powerful patricius Flavius Constantius ( briefly Emperor in 421 ), to ask for a tax reduction for his own country.

It is said that upon meeting they were wearing identical silver bracelets, Constantius saw her as his soulmate sent by God.

In 358, during Constantius II reign, he was sent with Lucillianus as an envoy to the Sassanid court ; in this period he was tribunus and notarius.

In the legend Helena, the daughter of Cole, married the Roman senator Constantius Chlorus, who had been sent by Rome as an ambassador and was named as Cole's successor.

So violent did the tumult become that Constantius sent his general Hermogenes to eject Paul for a second time.

Rome, apparently, was pleased that Britain had a new king and sent a senator, Constantius Chlorus, to negotiate with Coel.

During the reign of Constantius II, the Arian Gothic convert Ulfilas was consecrated a bishop by Eusebius of Nicomedia and sent to missionize his people.

It is believed that after the death of Eusebius in 341, Constantius then sent Gallus and Julian to continue their studies at the imperial household in Macellum, Cappadocia.

Doubting his cousin's loyalty, Constantius reduced the troops under Gallus, and sent the Praetorian Prefect Domitianus to Antioch to urge Gallus to go to Italy.

Nevertheless, as Ammianus Marcellinus recounts, Constantine's successor, Constantius, had to sent in 360 embassies with costly presents to Arsaces of Armenia and Meribanes of Iberia to secure their allegiance during the confrontation with Iran.

Constantius first seemed to accept the new Emperor and sent him money to raise an army, as well as his regalia.

In 416 Wallia reached agreement with Constantius ; he sent Galla Placidia back to Honorius and received provisions, six hundred thousand modii of wheat.

A surviving letter from the Arian Roman Emperor Constantius II is addressed to ' Ezana and his brother Se ' azana, and requests that Frumentius be sent to Alexandria to be examined for doctrinal errors ; Munro-Hay assumes that ' Ezana either refused or ignored this request.

Before facing Magnentius, Constantius first came to terms with Vetranio, a loyal general in Illyricum who had recently been acclaimed emperor by his soldiers.

However, when Constantius arrived Vetranio willingly resigned his position and accepted Constantius ’ offer of a comfortable retirement in Bithynia.

* 350 – Vetranio is asked by Constantina, sister of Constantius II, to proclaim himself Caesar.

* March 1 – Vetranio is asked by Constantina, sister of Constantius II, to proclaim himself Caesar.

* December 25 – Vetranio meets Constantius II at Naissus ( Serbia ) and assembled the troops.

This revolt had a loyalist mark, since Vetranio was supported by Constantina, and Constantius II himself recognized Vetranio, sending him the imperial diadem.

Despite Magnentius ' efforts to gain Vetranio to his cause, the old general reached Constantius with his army, and resigned the crown.

Constantius, who was on a campaign against the Persians when Magnentius came to power, returned to the West and met with Vetranio.

He came from Antioch and served under Constantius II and was probably appointed to ensure that nobody with western associations was serving in Britain during a time of mistrust, rebellion and suppression symbolised by the brutal acts of the imperial notary Paulus Catena.

However, feeling that the east still required some sort of imperial presence, he elevated his cousin Constantius Gallus to Caesar of the eastern provinces.

Cyril was exiled from Jerusalem until 359 when imperial authority placed him back as Bishop after Cyril was able to plead his case to Emperor Constantius, referencing the multitude of people who were starving and he was able to feed with the money he made from the sale.

After the defeat and death of Magnentius in the Battle of Mons Seleucus in 353, Constantius II dispatched his chief imperial notary Paulus Catena to Britain to hunt down Magnentius ' supporters.

Those of a different belief had to recognize that the process of consolidation, which imperial legislation had effected from the time of Constantius II, would now vigorously continue.

In 293, feeling more focus was needed on both civic and military problems, Diocletian, with Maximian's consent, expanded the imperial college by appointing two Caesars ( one responsible to each Augustus ) — Galerius and Constantius Chlorus.

In Rome, the favorite was Maxentius, the son of Constantius ' imperial colleague Maximian, who seized the title of emperor on 28 October 306.

In 303, Constantius was confronted with the imperial edicts dealing with the persecution of Christians.

His efforts were not at first successful, for at the synod of Biterrae ( Béziers ), summoned in 356 by the Emperor Constantius with the professed purpose of settling the longstanding disputes, Hilary was, by an imperial rescript, banished with Rhodanus of Toulouse to Phrygia, where he spent nearly four years in exile.

) Varronianus, the commander of Constantius II's imperial bodyguards ( comes domesticorum ).

Constantine was proclaimed Augustus of the Roman Empire in 306 by Constantius ' troops after the latter had died, and following his elevation his mother was brought back to the public life in 312, returning to the imperial court.

A considerable number of Monophysite bishops from all parts of the East, including Theodosius of Alexandria, Anthimus the deposed patriarch of Constantinople, Constantius of Laodicea, John of Egypt, Peter and others, who had come to Constantinople in the hope of mitigating the displeasure of the emperor and increasing the sympathies of Theodora, were held by Justinian in one of the imperial fortresses under house arrest.

Aurelius Victor was the author of a short history of imperial Rome, entitled De Caesaribus and covering the period from Augustus to Constantius II.

When Gallus arrived to Poetovio in Noricum, Barbatio, an officer who had been supporting Gallus ' dismissal within Constantius ' court, surrounded the palace of the caesar and arrested him, stripping Gallus of the imperial robes, but assuring him that no harm would come to him.

Nevertheless Constantius had achieved an unassailable position at the Western court, in the imperial family, and as the able commander in chief of a partially restored army.

Paulus was the name of an imperial notary, or senior civil servant, who served under the Roman Emperor Constantius II in the middle of the 4th century.

To this end, he cites the imperial letter of Constantius granting him his position and salary at length, and it is from the address of that letter that the name of the oration's author is preserved.

Although further Emperors would don the purple on the basis of military power ( e. g., Constantine I, Valentinian I, and Theodosius I ), the phenomenon of the barracks emperors died out, to be replaced in the late imperial era by shadow emperors like Stilicho, Constantius III, Flavius Aëtius, Avitus, Ricimer, Gundobad, Flavius Orestes, and Odoacer, military strongmen who effectually ruled the empire as imperial generalissimos controlling weak-willed puppet emperors rather than by donning the purple themselves.

According to Socrates of Constantinople: " Justus the father of Justina, who had been governor of Picenum under the reign of Constantius, had a dream in which he seemed to himself to bring forth the imperial purple out of his right side.