Shortly after the death of Roman emperor Constantius II

Constantius II

Constantius II , was Roman Emperor from 337 to 361. The second son of Constantine I and Fausta, he ascended to the throne with his brothers Constantine II and Constans upon their father's death....

, his successor Julian the Apostate

Julian the Apostate

Julian "the Apostate" , commonly known as Julian, or also Julian the Philosopher, was Roman Emperor from 361 to 363 and a noted philosopher and Greek writer....

 held a tribunal at the city of Chalcedon

Chalcedon

Chalcedon , sometimes transliterated as Chalkedon) was an ancient maritime town of Bithynia, in Asia Minor, almost directly opposite Byzantium, south of Scutari . It is now a district of the city of Istanbul named Kadıköy...

, which was then a suburb of Constantinople

Constantinople

Constantinople was the capital of the Roman, Eastern Roman, Byzantine, Latin, and Ottoman Empires. Throughout most of the Middle Ages, Constantinople was Europe's largest and wealthiest city.-Names:...

. Saturninius Secundus Salutius

Salutius

Saturninius Secundus Salutius was a career Roman official who was a native of Gaul. He was a quaestor when he became a member of Julian's staff, while the latter was Caesar in Gaul. Salutius was well versed in Greek philosophy and rhetoric and won the respect of Julian. It was probably through his...

, who was raised to the rank of Praetorian Prefect

Praetorian prefect

Praetorian prefect was the title of a high office in the Roman Empire. Originating as the commander of the Praetorian Guard, the office gradually acquired extensive legal and administrative functions, with its holders becoming the Emperor's chief aides...

 was given the chief oversight and with him were associated Claudius Mamertinus

Claudius Mamertinus

Claudius Mamertinus was an official in the Roman Empire. In late 361 he took part in the Chalcedon tribunal to condemn the ministers of Constantius II, and in 362, he was made consul as a reward by the new Emperor Julian; on January 1 of that year he delivered a panegyric in Constantinople by way...

 (another civilian), and four military commanders, Arbitio

Arbitio

Arbitio was a Roman general and Consul who lived in the middle of the 4th century.- In the Reign of Constantius II :...

, Agilo, Nevitta and Jovinus. The first two were ex-officers of Constantius, while the other two had served with Julian.

At this tribunal a large part of Constantius's ministers were brought to trial. In charge of the daily inquisitions was Arbitio, "while the others were present merely for show" according to historian Ammianus Marcellinus. Palladius, Taurus, Euagrius, Saturninus and Cyrinus are known to have been exiled. Florentius, Ursulus and Eusebius

Eusebius (praepositus sacri cubiculi)

Eusebius was a high-ranking officer of the Roman Empire, holding the position of praepositus sacri cubiculi for all the rule of Emperor Constantius II .- Biography :...

 were condemned to death. Apodemius

Apodemius

Apodemius was an officer of the Roman Empire, a courtier of Emperor Constantius II, involved in the deaths of Constantius Gallus and Claudius Silvanus.- Biography :...

 and Paulus Catena

Paulus Catena

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. He is described by the historian Ammianus Marcellinus, who probably met him. According to Marcellinus, his cruelty was infamous throughout the...

 were even burned alive. Another Florentius was imprisoned on a Dalmatian island. Constantius II died on 3 November 361, so all this must have happened in late 361

361

Year 361 was a common year starting on Monday of the Julian calendar. At the time, it was known as the Year of the Consulship of Taurus and Florentius...

 and early 362

362

Year 362 was a common year starting on Tuesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Mamertinus and Nevitta...

.