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Constantine III (Western Roman Emperor)

Constantine III
Co-emperor of the Western Roman Empire with Honorius
Constantineiii.jpg
Coin of Constantine III.
Emperor of the Roman Empire
Reign Usurper 407–409 (against Emperor Honorius)
Co-emperor 409–411 (with Honorius and Constans II)
Predecessor Gratian
Successor Honorius
Died 411 (before 18 September)
Wife
  • name unknown
Issue Constans II
Julianus,[1]
Ambrosius Aurelianus (legend)
Full name
Flavius Claudius Constantinus
Regnal name
Imperator Caesar Flavius Claudius Constantius Augustus
Religion Nicene Christianity

Flavius Claudius Constantinus,[2] known in English as Constantine III (died shortly before 18 September 411) was a Roman general who declared himself Western Roman Emperor in Britannia in 407 and established himself in Gaul. He was co-emperor from 409 until 411.

Constantine rose to power during a bloody struggle in Roman Britain and was acclaimed emperor by the local legions in 407. He promptly moved to Gaul, taking all of the mobile troops from Britain, to confront the various Germanic invaders who had crossed the Rhine the previous winter. Constantine gained the upper hand after several battles with the forces of the Western Roman Emperor Honorius. As a result, Honorius recognised Constantine as co-emperor in 409. The activities of the invading tribes, raids by Saxons on the near-defenseless Britain and desertions by some of his top commanders led to a collapse of support. After further military setbacks he abdicated in 411. He was captured and executed shortly afterwards.

Contents

BackgroundEdit

 
Roman Gaul prior to the crossing of the Rhine

In 406, the provinces of Roman Britain revolted. The garrisons had not been paid and had determined to choose their own leader.[3] Their first two choices, Marcus and Gratian, did not meet their expectations and were killed. Fearful of a Germanic invasion and desperate for some sense of security in a world that seemed to be rapidly falling apart, the Roman military in Britain sought greater security in strong and able military leadership and chose as their leader a man named after the famed emperor of the early fourth century, Constantine the Great, who had himself risen to power through a military coup in Britain.[4] Constantine was a common soldier, but one of some ability.[5] Early in 407, they acclaimed him as emperor.[6][2] Constantine moved quickly. He crossed the Channel at Bononia (Boulogne) and (historians have assumed) took with him all of the mobile troops left in Britain, thus denuding the province of any first line military protection and explaining the disappearance of the legions from Britannia in the early fifth century.[7] The Roman forces in Gaul (modern France) declared for him, followed by most of those in Hispania (modern Spain). On 31 December 406 several tribes of barbarian invaders, including the Vandals, the Burgundians, the Alans and the Sueves had crossed the Rhine, perhaps near Mainz, and overrun the Roman defensive works in a successful invasion of the Western Roman Empire.[8]

Constantine's forces won several confrontations with the Vandals and quickly secured the line of the Rhine. The sitting Western emperor, Honorius, ordered Stilicho, his leading general, or magister militum, to expel Constantine. Sarus the Goth, a commander of Honororius, defeated two of Constantine's generals, Iustinianus and the Frank Nebiogastes, who were leading the vanguard of his forces.[9] Stilicho's lieutenant, Nebiogastes, was first trapped in, then killed outside, Valence.[10] Constantine sent another army headed by Edobichus and Gerontius, and Sarus retreated into Italy, needing to buy his passage through the Alpine passes from the brigand Bagaudae, who controlled them.[11] With these advances, Constantine controlled all of Gaul and garrisoned the Alpine passes into Italy.[12] By May 408 he had made Arles his capital,[13] where he appointed Apollinaris, the grandfather of Sidonius Apollinaris, as prefect.[14]

Recognition as co-emperorEdit

In the summer of 408, the Roman forces in Italy assembled to counterattack. Hispania was a stronghold of the House of Theodosius[13] and loyal to the ineffectual Honorius. Constantine feared that Honorius' cousins would organise an attack from that direction while troops under Sarus and Stilicho attacked him from Italy in a pincer manoeuvre. He struck first at Hispania.[15] He summoned his eldest son, Constans, from the monastery where he was dwelling, elevated him to Caesar,[16] and sent him with the general Gerontius towards Hispania,[7] where they defeated the cousins of Honorius with little difficulty; two – Didymus and Verinianus – were captured, and two others — Lagodius and Theodosiolus — escaped, Lagodius to Rome and Theodosiolus to Constantinople.[17]

Constans left his wife and household at Saragossa under the care of Gerontius and returned to Arles to report to his father.[18] Meanwhile, the loyalist Roman army mutinied at Ticinum (Pavia) on 13 August, which was followed by the execution of Honorius' general Stilicho on 22 August.[19] Intrigue within the Imperial court caused the general Sarus and his men to abandon the western army. This left Honorius in Ravenna without any significant military power, and facing a Gothic army under Alaric that roamed unchecked in northern Italy. So, when Constantine's envoys arrived to parley, the fearful Honorius recognised Constantine as co-emperor, and the two were joint consuls for the year 409.[18]

March on ItalyEdit

That year was Constantine's high-water mark. While he had been fighting Honorius' armies, some of the Vandal tribes had overrun Constantine's Rhine defenses and spent two years and eight months burning and plundering their way through Gaul. The tribes reached the Pyrenees, where they broke through Constantine's garrisons and entered Hispania.[7] Constantine prepared to send his son Constans back to deal with this crisis when word came that his general Gerontius had rebelled, raising his relative, Maximus of Hispania, as co-emperor.[9] Despite Constantine's best efforts, the feared attack from Hispania come the following year, when Gerontius advanced with the support of his barbarian allies.[20][21]

At about the same time Saxon pirates raided Britain, which Constantine had left defenceless.[22] Distressed that Constantine had failed to defend them, the Roman inhabitants of Britain and Armorica (Brittany) rebelled and expelled his officials.[16][23]

Constantine's response to this tightening circle of enemies was a final desperate gamble. Encouraged by the entreaties of officials of the western court, he marched on Italy with the troops left to him.[21] They wanted to replace Honorius with a more capable ruler.[7] Constantine, though, had insufficient forces and retreated into Gaul in the late spring of 410.[7] Constantine's position became untenable; Gerontius defeated his forces at Vienne in 411; there his son Constans was captured and executed.[9] Constantine's praetorian prefect Decimus Rusticus, who had replaced Apollinaris a year earlier, abandoned Constantine to be caught up in the new rebellion of Jovinus in the Rhineland. Gerontius trapped Constantine inside Arles and besieged him.[7]

Surrender and executionEdit

 
Constantine III portrayed on a siliqua. The reverse celebrates the victories of the Augusti.

At the same time Honorius found a new general, the future Constantius III. He arrived at Arles and put Gerontius to flight. Gerontius committed suicide and many of his troops deserted to Constantius, who took over the siege.[21] Constantine held out, hoping for the return of Edobichus, who was raising troops in northern Gaul amongst the Franks.[22] But on his arrival Edobichus was defeated in an ambush.[24] Constantine's hopes faded when his troops guarding the Rhine abandoned him to support Jovinus. He surrendered. Despite the promise of safe passage, and Constantine's assumption of clerical office, Constantius imprisoned the former soldier and had him beheaded on his way to Ravenna[25] in either August or September 411.[26] His head, on a pole, was presented to Emperor Honorius on 18 September. It was later displayed outside Carthage.[27]

Athaulf the Visigoth later suppressed the revolt of Jovinus.[28] Roman rule never returned to Britain after the death of Constantine III. As the historian Procopius later explained, "from that time onwards it remained under [the rule] of tyrants."[29]

LegendEdit

Constantine III is also known as Constantine II of Britain. He is remembered as a King of the Britons in the Welsh chronicles and Geoffrey of Monmouth's highly popular and imaginative Historia Regum Britanniae, where he comes to power following Gracianus Municeps' reign. In this version, the Britons ask Aldroneus, the ruler of Armorica, to be their ruler too, seeking a king who can defend them against the barbarians. Aldroenus refuses, believing the country to have diminished, but sends his brother Constantine to rule instead. Constantine becomes King and has three sons, Constans, Aurelius and Uther, but is stabbed to death by a Pict.[30]

Geoffrey seems to have conflated the historical Constantine III with an unrelated Cornish king of the a similar name, Custennin Gorneu.[31] This has led to confusion among modern scholars but, beyond their names, Geoffrey's fictional Constantine does not resemble the historical one.[32]

See alsoEdit

ReferencesEdit

  1. ^ Jones, pg. 638
  2. ^ a b Jones, pg. 316
  3. ^ Zosimus, 6:1:2
  4. ^ Zosimus, 7:40:5
  5. ^ Orosius, 7:40:4
  6. ^ Snyder 1998:19, Age of Tyrants.
  7. ^ a b c d e f Elton, Constantine III (407–411 A.D.)
  8. ^ Bury, pg. 138
  9. ^ a b c Birley, pg. 460
  10. ^ Zosimus, 6:2:3
  11. ^ Zosimus, 6:2:4
  12. ^ Birley, pgs. 458–459
  13. ^ a b Bury, pg. 140
  14. ^ Jones, pg. 113
  15. ^ Zosimus, 6:2:5
  16. ^ a b Birley, pg. 459
  17. ^ Gibbon, Ch. 30
  18. ^ a b Bury, pg. 141
  19. ^ Gibbon, Ch. 30
  20. ^ Bury, pg.142
  21. ^ a b c Canduci, pg. 152
  22. ^ a b Bury, pg. 143
  23. ^ Higham 1992, pp. 71–72.
  24. ^ Bury, pg. 144
  25. ^ Canduci, pg. 153
  26. ^ Jones, pg. 316
  27. ^ Heather, pg. 237
  28. ^ Canduci, pg. 155
  29. ^ Birley, pg. 160
  30. ^ Monmouth, 6:5
  31. ^ David Nash Ford's Early British Kingdoms: Constantine Corneu
  32. ^ Peter Bartrum, A Welsh Classical Dictionary, National Library of Wales, 1993, pp. 157–158.

SourcesEdit

Primary sourcesEdit

Secondary sourcesEdit

  • Snyder, Christopher A. (1998), An Age of Tyrants: Britain and the Britons A.D. 400–600, University Park: Pennsylvania State University Press, ISBN 0-271-01780-5 
  • Stevens, C.E. "Marcus, Gratian, Constantine", Athenaeum, 35 (1957), pp. 316–47
  • Thompson, E.A. "Britain, A.D. 406–410", Britannia, 8 (1977), pp. 303–318.

External linksEdit

Political offices
Preceded by
Anicius Auchenius Bassus,
Flavius Philippus
Consul of the Roman Empire
409
with Honorius and Theodosius II
Succeeded by
Varanes,
Tertullus
Legendary titles
Vacant
Title last held by
Gracianus Municeps
King of Britain
407–411
Succeeded by
Constans