Life

He was related to the Symmachi. He might have been the son of Aurelius Valerius Tullianus Symmachus

Aurelius Valerius Tullianus Symmachus

Aurelius Valerius Tullianus Symmachus Phosphorius was a politician of the Roman Empire, member of the Symmachi.He was born around 280; he had a son, Lucius Aurelius Avianius Symmachus, whose son was the famous orator Quintus Aurelius Symmachus...

 and the brother of Lucius Aurelius Avianius Symmachus

Lucius Aurelius Avianius Symmachus

Lucius Aurelius Avianius Symmachus signo Phosphorius was a politician of the Roman Empire, father of Quintus Aurelius Symmachus.-Biography:...

, father of the famous Quintus Aurelius Symmachus

Quintus Aurelius Symmachus

Quintus Aurelius Symmachus was a Roman statesman, orator, and man of letters. He held the offices of governor of Africa in 373, urban prefect of Rome in 384 and 385, and consul in 391...

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Between February 341 and April 342, Celsinus was praefectus urbi

Praefectus urbi

The praefectus urbanus or praefectus urbi, in English the urban prefect, was prefect of the city of Rome, and later also of Constantinople. The office originated under the Roman kings, continued during the Republic and Empire, and held high importance in late Antiquity...

of Rome

Rome

Rome is the capital of Italy and the country's largest and most populated city and comune, with over 2.7 million residents in . The city is located in the central-western portion of the Italian Peninsula, on the Tiber River within the Lazio region of Italy.Rome's history spans two and a half...

, under Emperor Constans

Constans

Constans , was Roman Emperor from 337 to 350. He defeated his brother Constantine II in 340, but anger in the army over his personal life and preference for his barbarian bodyguards saw the general Magnentius rebel, resulting in Constans’ assassination in 350.-Career:Constans was the third and...

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In 351, when the usurper Magnentius

Magnentius

Flavius Magnus Magnentius was a usurper of the Roman Empire .-Early life and career:...

 ruled over the Western half of the Roman Empire, but had already been defeated by 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....

 in the battle of Mursa Major

Battle of Mursa Major

The Battle of Mursa Major was fought in 351 between the Eastern Roman army led by Constantius II and the western forces supporting the usurper Magnentius.The action took place along the valley of the Drava River, a Danube tributary in present day Croatia....

, Celsinus accepted to hold for the second time the urban prefecture, from March to May,

During his first term, Celsinus erected in the Circus Maximus

Circus Maximus

The Circus Maximus is an ancient Roman chariot racing stadium and mass entertainment venue located in Rome, Italy. Situated in the valley between the Aventine and Palatine hills, it was the first and largest stadium in ancient Rome and its later Empire...

 a statue in honour of the Emperor Constans; later, the name of the Emperor was erased, when Magnentius ordered the damnatio memoriae

Damnatio memoriae

Damnatio memoriae is the Latin phrase literally meaning "condemnation of memory" in the sense of a judgment that a person must not be remembered. It was a form of dishonor that could be passed by the Roman Senate upon traitors or others who brought discredit to the Roman State...

against Constans. The base of the statue has been found between the Circus Maximus and the Arch of Titus

Arch of Titus

The Arch of Titus is a 1st-century honorific arch located on the Via Sacra, Rome, just to the south-east of the Roman Forum. It was constructed in c.82 AD by the Roman Emperor Domitian shortly after the death of his older brother Titus to commemorate Titus' victories, including the Siege of...

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