End of Roman rule in Britain

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The end of Roman rule in Britain is the period during which the Roman Empire ended its relationship with Roman Britain, thus marking the transition from Roman Britain to post-Roman Britain. No single date is correct without qualification, as Roman rule ended for different parts of Britain at different times, and under different circumstances.

The year 410 is the preference of most historians. In that year, the Roman Emperor Honorius replied to a request for assistance with the Rescript of Honorius. This told the Romano-Britons to see to their own defence although some historians believed that this was actually sent to Bruttium in southern Italy. Some historians prefer 409 instead, the year when the Romano-Britons expelled Roman magistrates from their cities.

The year 383 marks the end of Roman rule in northern and western Britain. In that year, Roman troops were withdrawn from those regions of Britain for the last time.

Background

In the late 4th and early 5th centuries, the Roman Empire could no longer defend itself against either internal rebellion or the external threat posed by expanding Germanic tribes in northeastern Europe. This situation and its consequences governed the separation of Roman Britain from the rest of the Empire.

In the late 4th century, the empire was controlled by members of a dynasty that included the Emperor Theodosius I. This family retained political power within itself and formed alliances by intermarriage with other dynasties, at the same time engaging in internecine power struggles and fighting off outside contenders (called "usurpers") attempting to replace the ruling dynasty with one of their own. These internal machinations drained the Empire of both military and civilian resources.

The Empire's historical relationship with Germanic tribes was sometimes hostile, at other times cooperative, but ultimately fatal, as it was unable to prevent those tribes from assuming a dominant role in the relationship. By the late 4th century, the Western Roman Empire's military forces were dominated by Germanic troops, and Romanised Germans played a significant role in internal Roman politics. The Germanic tribes to the east of the Empire were able to take advantage of the Empire's weakened state, both to expand into Roman territory and, in some cases, to move their entire populations into lands once considered exclusively Roman.

Chronology

383–388

Coin of Magnus Maximus.

In 383, the Roman general then assigned to Britain, Magnus Maximus, launched his successful bid for imperial power,1 crossing to Gaul with his troops. He killed the Western Roman Emperor Gratian and ruled Gaul and Britain as Augustus (i.e., as a "sub-emperor" under Theodosius I). 383 is the last date for any evidence of a Roman presence in the north and west of Britain,2 perhaps excepting troop assignments at the tower on Holyhead Mountain in Anglesey and at western coastal posts such as Lancaster. These outposts may have lasted into the 390s, but they were a very minor presence.3

Coins dated later than 383 have been excavated along Hadrian's Wall, suggesting that troops were not stripped from it, as once thought4 or, if they were, they were quickly returned as soon as Maximus had won his victory in Gaul. In the De Excidio et Conquestu Britanniae, written c. 540, Gildas attributed an exodus of troops and senior administrators from Britain to Maximus, saying that he left not only with all of its troops, but also with all of its armed bands, governors, and the flower of its youth, never to return.5

Raids by Saxons, Picts, and the Scoti of Ireland had been ongoing in the late 4th century, but these increased in the years surrounding 383. There were also large-scale permanent Irish settlements made along the coasts of Wales under circumstances that remain unclear.6789 Maximus campaigned in Britain against both the Picts and Scoti,1011 with historians differing on whether this was in the year 382 or 384 (i.e., whether the campaign was before or after he became Augustus).

In 388, Maximus led his army across the Alps into Italy in an attempt to gain additional political power within the Roman Empire. The effort failed when he was defeated in Pannonia at the Battle of the Save (in modern Croatia) and at the Battle of Poetovio (at Ptuj in modern Slovenia). He was then executed by Theodosius.12

389–406

With Maximus' death, Britain came back under the rule of Emperor Theodosius I until 392, when the usurper Eugenius would successfully bid for imperial power in the Western Roman Empire, surviving until 394 when he was defeated and killed by Theodosius. When Theodosius died in 395, his 10-year-old son Honorius would succeed him as Western Roman Emperor. The real power behind the throne, however, was Stilicho, the son-in-law of Theodosius' brother and the father-in-law of Honorius.

Britain was suffering raids by the Scoti, Saxons, and Picts and, sometime between 396 and 398, Stilicho ordered a campaign against the Picts,13 likely a naval campaign intended to end their seaborne raids on the east coast of Britain.14 He may also have ordered campaigns against the Scoti and Saxons at the same time,15 but either way this would be the last Roman campaign in Britain of which there is any record.16

In 401 or 402 Stilicho faced wars with the Visigothic king Alaric and the Ostrogothic king Radagaisus. Needing military manpower, he stripped Hadrian's Wall of troops for the final time.151718 402 is the last date of any Roman coinage found in large numbers in Britain, suggesting either that Stilicho also stripped the remaining troops from Britain, or that the Empire could no longer afford to pay the troops who were still there.19 Meanwhile the Picts, Saxons and Scoti continued their raids, which may have increased in scope. In 405, for example, Niall of the Nine Hostages is described as having raided along the southern coast of Britain.20

407–410

On the last day of December 406, the Alans, Vandals, and Suebi living east of Gaul crossed the frozen Rhine River and began widespread devastation.2021

As there was no effective Roman response, the remaining Roman military in Britain feared that a Germanic crossing of the Channel into Britain was next, and dispensed with imperial authority – an action perhaps made easier by the high probability that the troops had not been paid for some time.3 Their intent was to choose a commander who would lead them in securing their future but their first two choices, Marcus and Gratian, did not meet their expectations and were killed. Their third choice was the soldier Constantine III.22

Coin of Constantine III.

In 407 Constantine rallied the remaining troops in Britain, led them across the Channel into Gaul, rallied support there, and set himself up as Western Roman Emperor.20 The Roman Empire south of the Alps was preoccupied with fending off the Visigoths and was unable to put down the rebellion, giving Constantine the opportunity to extend his new empire to include Spain.2324

In 409 Constantine's control of his empire fell apart. Part of his military forces were in Spain, making them unavailable for action in Gaul, and some of those in Gaul were swayed against him by loyalist Roman generals. The Germans living west of the Rhine River rose against him, perhaps encouraged by Roman loyalists,2526 and those living east of the river crossed into Gaul.27 Britain, now without any troops for protection and having suffered particularly severe Saxon raids in 408 and 409, viewed the situation in Gaul with renewed alarm. Perhaps feeling they had no hope of relief under Constantine, both the Romano-Britons and some of the Gauls expelled Constantine's magistrates in 409 or 410.282930 The Byzantine historian Zosimus (fl. 490's – 510's) directly blamed Constantine for the expulsion, saying that he had allowed the Saxons to raid, and that the Britons and Gauls were reduced to such straits that they revolted from the Roman Empire, rejected Roman law, reverted to their native customs, and armed themselves to ensure their own safety.31

It has been suggestedby whom? that when Zosimus records that the natives expelled the Roman civilian administration in 409 he might have been referring to the Bacaudic rebellion of the Breton inhabitants of Armorica since he describes how, in the aftermath of the revolt, all of Armorica and the rest of Gaul followed the example of the Brettaniai. A later appeal for help by the British communities was, according to Zosimus, rejected by the Emperor Honorius in 410 AD. In the text called the Rescript of Honorius, the Western Emperor Honorius tells the British civitates to look to their own defence. The first reference to this rescript is written by the sixth-century Byzantine scholar Zosimus and is located randomly in the middle of a discussion of southern Italy; no further mention of Britain is made, which has led some, though not all, modern academics to suggest that the rescript does not apply to Britain, but to Bruttium in Italy.323334

Historian Christopher Snyder wrote that protocol dictated that Honorius address his correspondences to imperial officials, and the fact that he did not implies that the cities of Britain were now the highest Roman authority remaining on the island.35

At the time that the Rescript was sent, Honorius was holed up in Ravenna by the Visigoths and was unable to prevent their Sack of Rome (410).35 He was certainly in no position to offer any relief to anyone. As for Constantine III, he was not equal to the intrigues of imperial Rome and by 411 his cause was spent. His son was killed along with those major supporters who had not turned against him, and he himself was assassinated.36

Interpretative variations

There are various interpretations that characterise the events in a way that supports a particular thesis without taking issue with the basic chronology.

The historian Theodor Mommsen (Britain, 1885) famously said that "It was not Britain that gave up Rome, but Rome that gave up Britain ...", arguing that Roman needs and priorities lay elsewhere. 37 His position has retained scholarly support over the passage of time.

Michael Jones (The End of Roman Britain, 1998) took the opposite view, saying that it was Britain that left Rome, arguing that numerous usurpers based in Britain combined with poor administration caused the Romano-Britons to revolt.

Factual disputes

Regarding the events of 409 and 410 when the Romano-Britons expelled Roman officials and sent a request for aid to Honorius, Michael Jones (The End of Roman Britain, 1998) offered a different chronology to the same end result: he suggested that the Britons first appealed to Rome and when no help was forthcoming, they expelled the Roman officials and took charge of their own affairs.38

One theory that occurs in some modern histories concerns the Rescript of Honorius, holding that it refers to the cities of the Bruttii (who lived at the "toe" of Italy in modern Calabria), rather than to the cities of the Britons.394041 The suggestion is based on the assumption that the source (Zosimus) or a copyist made an error and actually meant Brettia when Brettania was written, and noting that the passage that contains the Rescript is otherwise concerned with events in northern Italy.

Criticisms of the suggestion range from treating the passage in the way it was written by Zosimus and ignoring the suggestion,42 to simply noting its speculative nature,43 to a discussion of problems with the suggestion (e.g., 'why would Honorius write to the cities of the Bruttii rather than to his own provincial governor for that region?', and 'why does far-off southern Italy belong in a passage about northern Italy any more than far-off Britain?').4445 The theory also contradicts the account of Gildas, who provides independent support that the reference is to Britain by repeating the essence of Zosimus' account and clearly applying it to Britain.46

E. A. Thompson ("Britain, A.D. 406–410", in Britannia, 8 (1977), pp. 303–318) offered a more provocative theory to explain the expulsion of officials and appeal for Roman aid. He suggested that a revolt consisting of dissident peasants, not unlike the Bagaudae of Gaul, also existing in Britain, and when they revolted and expelled the Roman officials, the landowning class then made an appeal for Roman aid.47 There is no textual proof that that was so, though it might be plausible if the definition of 'bagaudae' is changed to fit the circumstances. There is no need to do this, as any number of rational scenarios already fit the circumstances.48 There is the possibility that some form of bagaudae existed in Britain, but were not necessarily relevant to the events of 409 and 410. Among the works that mention but skirt the issue is Koch's Celtic Culture (2005), which cites Thompson's translation of Zosimus and goes on to say "The revolt in Britain may have involved bacaudae or peasant rebels as was the case in Armorica, but this is not certain."49

Notes

  1. ^ Snyder 1998:13, An Age of Tyrants. Snyder cites Zosimus 4.35.2-6 and 37.1-3, and Orosius (7.34.9-10), with the latter saying that Maximus was an unwilling usurper.
  2. ^ Frere 1987:354, Britannia, The End of Roman Britain. Specifically, Frere refers to Wales, the western Pennines, and the fortress at Deva; he then goes on to suggest that the same was true north of Hadrian's Wall, referring to the lands of the Damnonii, Votadini, and the Novantae.
  3. ^ a b Higham:75, Rome, Britain and the Anglo-Saxons, "Britain Without Rome".
  4. ^ Frere 1987:354, Britannia, The End of Roman Britain. Frere notes that excavation of coins dated after 383 suggests that Maximus did not strip the Wall of troops.
  5. ^ Giles 1841:13, The Works of Gildas, The History, ch. 14
  6. ^ Laing 1975:93, Early Celtic Britain and Ireland, Wales and the Isle of Man.
  7. ^ Miller, Mollie (1977), "Date-Guessing and Dyfed", Studia Celtica 12, Cardiff: University of Wales, pp. 33–61 
  8. ^ Coplestone-Crow, Bruce (1981), "The Dual Nature of Irish Colonization of Dyfed in the Dark Ages", Studia Celtica 16, Cardiff: University of Wales, pp. 1–24 
  9. ^ Meyer, Kuno (1896), "Early Relations Between Gael and Brython", in Evans, E. Vincent, Transactions of the Honourable Society of Cymmrodorion, Session 1895–1896 I, London: Honourable Society of Cymmrodorion, pp. 55–86 
  10. ^ Mattingly 2006:232, An Imperial Possession. The Gallic Chronicle of 452 is cited as giving the year 382/383.
  11. ^ Frere 1987:354, In "Britannia, The End of Roman Britain," Frere suggests that Maximus would return to Britain in 384, after he became Augustus, to campaign against the Scoti and Picts.
  12. ^ Snyder 1998:13, Age of Tyrants. Snyder cites Sozomen 7.13, and Orosius 7.35.3-4.
  13. ^ Snyder 2003:62, The Britons. The date is given as 398. Stilicho himself was suppressing revolts in Africa at the time.
  14. ^ Frere 1987:355, Britannia, "The End of Roman Britain".
  15. ^ a b Jones 1990:307, An Atlas of Roman Britain.
  16. ^ Mattingly 2006:238, An Imperial Possession.
  17. ^ Snyder 2003:62–63, The Britons. Stilicho had ordered measures for new fortifications in Britain prior to removing the troops.
  18. ^ Snyder 1998:18, An Age of Tyrants. Snyder notes that the sometimes confused effort of Gildas to relate history may contain references to Stilicho's actions in Britain. In De Excidio, ch. 16-18, he talks of campaigns against the Scoti, Saxons and Picts, and then mistakenly says that that is when Hadrian's Wall was built, followed by the removal of troops.
  19. ^ Snyder 1998:18, An Age of Tyrants.
  20. ^ a b c Frere 1987:357, Britannia.
  21. ^ Snyder 1998:18, Age of Tyrants.
  22. ^ Snyder 1998:19, Age of Tyrants.
  23. ^ Frere 1987:358, Britannia.
  24. ^ Snyder 1998:19–20, Age of Tyrants.
  25. ^ Snyder 2003:79, The Britons.
  26. ^ Higham:72, Rome, Britain and the Anglo-Saxons, "Britain Without Rome".
  27. ^ Snyder 1998:20–21, Age of Tyrants.
  28. ^ Frere 1987:358–359, Britannia.
  29. ^ Snyder 1998:20, Age of Tyrants.
  30. ^ Higham:71–72, Rome, Britain and the Anglo-Saxons, "Britain Without Rome".
  31. ^ Snyder 1998:22, An Age of Tyrants.
  32. ^ Birley, Anthony Richard The Roman Government of Britain OUP Oxford (29 Sep 2005) ISBN 978-0199252374 pp.461-463 [1]
  33. ^ Halsall, Guy Barbarian Migrations and the Roman West, 376-568 Cambridge University Press; illustrated edition edition (20 Dec 2007) ISBN 978-0521434911, pp. 217-18
  34. ^ Discussion in Martin Millett, The Romanization of Britain, (Cambridge: Cambridge University Press, 1990) and in Philip Bartholomew 'Fifth-Century Facts' Britannia vol. 13, 1982, p. 260
  35. ^ a b Snyder 1998:21, Age of Tyrants.
  36. ^ Snyder 1998:21–22, Age of Tyrants.
  37. ^ Mommsen, Theodor (1885), "Britain", in Dickson, William P. (translator), The Provinces of the Roman Empire I, New York: Charles Scribner's Sons (published 1887), p. 211 
  38. ^ Snyder 1998:25, Age of Tyrants.
  39. ^ Birley, Anthony (2005) The Roman Government of Britain. Oxford: Oxford University Press ISBN 0-19-925237-8, pp. 461–463
  40. ^ Halsall, Guy Barbarian migrations and the Roman West, 376-568 Cambridge University Press; illustrated edition (20 Dec 2007) ISBN 978-0-521-43491-1 pp.217-218
  41. ^ Discussion in Martin Millett, The Romanization of Britain, (Cambridge: Cambridge University Press, 1990) and in Philip Bartholomew 'Fifth-Century Facts' Britannia vol. 13, 1982 p. 260
  42. ^ Frere 1987:359, Britannia, "The End of Roman Britain".
  43. ^ Higham:73, Rome, Britain and the Anglo-Saxons, "Britain Without Rome".
  44. ^ Snyder 1998:24, Age of Tyrants.
  45. ^ Woolf, Alex (2003), "The Britons: from Romans to Barbarians", in Goetz, Hans Werner; Jarnut, Jörg; Pohl, Walter, Regna and Gentes, Brill, pp. 346–347, ISBN 90-04-12524-8 . Woolf cites the argument of E. A. Thompson but does not choose sides, saying that the issue is neither provable nor disprovable.
  46. ^ Snyder 1998:18, Age of Tyrants. Gildas (De Excidio, 18.1) is quoted as saying "The Romans therefore informed our country that they could not go on being bothered with such troublesome expeditions. ... Rather, the British should stand alone, get used to arms, fight bravely, and defend with all their powers their land."
  47. ^ Snyder 1998:22, Age of Tyrants.
  48. ^ Snyder 1998:23–24, Age of Tyrants.
  49. ^ Koch, John T., ed. (2005), "Civitas", Celtic Culture: A Historical Encyclopedia, ABL-CLIO (published 2006), pp. 450–451, ISBN 978-1-85109-440-0 

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