Constantius III

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Constantius III
Emperor of the
Western Roman Empire
Solidus Constantius III-RIC 1325.jpg
Constantius on a solidus. The reverse shows Constantius as a general, holding Victory in one hand and a captive enemy in the other.
Reign 421 (7 months, as co-emperor in the west with Honorius)
Full name Flavius Constantius
Born Naissus
Died 2 September 421(421-09-02)
Predecessor Honorius (alone)
Successor Honorius (alone)
Wife Galla Placidia
Issue Justa Grata Honoria (417/418),
Valentinian III (419)

Flavius Constantius (died 2 September 421), commonly known as Constantius III, was Western Roman Emperor for seven months in 421. A prominent general and politician, he was the power behind the throne for much of the 410s, and in 421 briefly became co-emperor of the Western Empire with Honorius.

Life[edit]

Early life and rise to the throne[edit]

Consular diptych of Constantius III, produced for his consulate in 413 or 417.

Constantius was born in Naissus (modern-day Niš, Serbia[1]) and was probably a career soldier, who reached the rank of magister militum under Honorius.

In 411 he defeated Gerontius, the general of usurper Maximus, and Constantine III, another usurper, in Arles. Constantine had revolted against Honorius (407), but then he had broken his relationship with general Gerontius, who had proclaimed Maximus Emperor in opposition to both Honorius and Constantine (409). Gerontius had then besieged Constantine in the city of Arles (411), but the arrival of the troops of Constantius from Italy had put him in serious trouble, being at the same time a besieger and a besieged. Gerontius was abandoned by his troops and then killed in Hispania.

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. Before the walls of Arles, Constantius confronted and defeated Edobichus, who was later betrayed and killed by a friend. Constantine was forced to surrender to Constantius when his troops on the Rhine left him for another usurper, Jovinus. Constantius granted a safe conduct to Constantine, who had become an ordained priest, but later he captured and killed him.

In 412 he expelled from Italy the Visigoths under Ataulf. In 413 he held his first consulate. In 414 he began a military offensive against the Visigoths. In response, Ataulf appointed as emperor Priscus Attalus, who had already been a usurper against Honorius in 410. The blockade imposed by Constantius on Gallic ports was so effective that the Visigoths fled from Gaul to Hispania in 415. Attalus too tried to flee but was captured by the forces of Constantius and sent to Ravenna.

With the death of Ataulf and his successor Segeric, that same year Constantius signed a treaty with the new Visigothic king Wallia: in exchange of 600,000 bushels of wheat and the territory of the region of Aquitaine, from the Pyrenees to the Garonne, the Visigoths pledged to fight on behalf of the Romans, as allies official or vassal state of the Empire (foederati), the Vandals, Alans and Suebi who in 407 had crossed the Rhine River and were stationed in the provinces of Hispania. The agreement also provided for the release of Galla Placidia, Honorius' sister, captured during the sack of Rome in 410.

Constantius was appointed patricius and in 417, the year of his second consulate held with Honorius as colleague, he married Galla Placidia, tying himself to the House of Theodosius. The couple had two children, Justa Grata Honoria (born 417/418) and the future Emperor Valentinian III (born 419). In 420 he was appointed consul for the third time, with the Eastern Emperor Theodosius II as colleague.

Brief reign and death[edit]

On February 8, 421, Constantius was appointed co-emperor with his ineffectual brother-in-law, Honorius, becoming the real master of the West. Curiously, he complained of loss of personal freedom implied by the new role. The elevation of Constantius, however, was not recognized by his colleague in the East, Theodosius II, who was the nephew of Honorius.

It is said that Constantius was organizing a military expedition to the East to have his rights recognized, when he died suddenly on September 2, 421, after just seven months as emperor, the archetype of able soldier and politician that the Western Roman Empire desperately needed at the time. "A struggle to replace Constantius swiftly erupted, with some open fighting. Galla Placidia fled with her son Valentinian to Constantinople. Her brother Honorius, still childless, died in 423."[2]

Constantius' success in rising from head of the Roman army to Imperial rank obviously influenced the actions of later holders of the patrician office, a list that includes Flavius Aëtius and Ricimer; however, only Petronius Maximus ever made the same leap, and his reign was even shorter than that of Constantius.

References[edit]

  1. ^ Roman Empire, Constantius III
  2. ^ Adrian Goldsworthy, The Fall of the West:The Slow Death of the Roman Superpower, Orion Books Ltd, Paperback Edition 2010, London, p.305.

Sources[edit]

External links[edit]

Media related to Constantius III at Wikimedia Commons

Political offices
Preceded by
Honorius
Western Roman Emperor
421
Served alongside: Honorius
Succeeded by
Honorius
Preceded by
Heraclianus,
Fl. Lucius
Consul of the Roman Empire
414
Served alongside: Fl. Constans
Succeeded by
Imp. Caesar Honorius Augustus X,
Imp. Caesar Flavius Theodosius Augustus VI
Preceded by
Imp. Caesar Flavius Theodosius Augustus VII,
Fl. Iunius Quartus Palladius
Consul of the Roman Empire
417
Served alongside: Imp. Caesar Honorius Augustus XI
Succeeded by
Imp. Caesar Honorius Augustus XII,
Imp. Caesar Flavius Theodosius Augustus VIII
Preceded by
Fl. Monaxius,
Fl. Plinta
Consul of the Roman Empire
420
Served alongside: Imp. Caesar Flavius Theodosius Augustus IX
Succeeded by
Fl. Iulius Agricola,
Fl. Eustathius
Military offices
Preceded by
Stilicho
In 408
Supreme Commander of the Western Roman Army
411-421
Succeeded by
Flavius Felix
In 425