How Britannia Became English
Educated British people are generally aware that for centuries up until about 400CE, England and Wales south of Hadrian’s Wall was Roman Britain, or Britannia, and that in the following centuries it fell into the hands of the Anglo-Saxons. What is much less well grasped is how that transition took place, or when.
The first key to a clearer understanding of that process is the political structure of Roman Britain in 400. Britain was divided into four distinct Provinces, and history took fundamentally different course in each of them over the quarter-millennium after the Roman legions evacuated in 409.
Each Province in turn was comprised of a number of civitates, districts for local governance, about the size of two counties. The seminal event of 409 was that the leaders of the civitates rebelled, demanding freedom from the burden of Roman taxation. The Roman Emperor Honorius could not spare troops to put down the rebellion, because the Empire was hard-pressed by Germanic invaders from across the Rhine frontier into Gaul (France and the Rhineland). So he withdrew his legions from Britain and told the civitates to defend themselves.
Twice afterwards, in 418 and in 429, Rome sent forces to Britain to aid Roman Britons fighting against raiders from beyond its borders, with some successful effect; but when aid was asked for again in 446, the Roman General Aetius ignored the request, again essentially because his forces were already stretched beyond capacity trying to defend Gaul.
In two of the Provinces, Britannia Prima (Wales and the West), and Britannia Secunda (the North), the civitates did see to their own defences thoroughly and effectively, and with little or no contribution from foreigners. Military logistics of the fifth century were favourable for autonomous governance units the size of a civitas.
The four civitates of Britannia Secunda, plus tribal lands that had been divided from them by Hadrian’s Wall with military but not sociological logic,morphed over the following century into three kingdoms, all of which feature strongly in later history: Rheged (approximately Ayrshire, Dumfries-and-Galloway, Cumbria, and maybe Lancashire); Gododdin (Lothian, the Borders, Northumberland and Durham); and Elmet (North, West, and South Yorkshire, the Derwent valley of Derbyshire, and probably northern Nottinghamshire north of Sherwood). Elmet appears to have combined the small civitas of York with the much larger one surrounding it whose Roman city was Aldborough. All three kingdoms were ruled by successions of Roman British, i.e. Celtic, kings. Britain’s most famous bard Taliesin wrote poems in praise of two of these kings, Urien of Rheged and Gwallawg of Elmet, in the third quarter of the sixth century. Urien temporarily extended Rheged’s boundaries eastwards across north Yorkshire at that time.
Undoubtedly, for well over a century after the departure of the Roman legions, the territory that had been Britannia Secunda remained in the control of kings who were Celtic British by tribe and culture, influenced by a slowly fading Romanised past. But in approximately 547, the English warrior-king Ida disturbed the far north by occupying and fortifying Bamburgh and conquering a coastal part of the Gododdin kingdom as his Kingdom of Bernicia. This initiated a half-century of skirmish warfare, highlighted by the British defenders calling their English enemy leader in the 570s “Fflamdwyn”, “Fire-Setter”. As of 580, the English had been driven out of all except their coastal fortress.
The tide turned, though, and over the next fifteen years or so a new kingdom of Northumbria, formed by a union of Deira (East Yorkshire, see below) and Bernicia, conquered most of Britannia Secunda east of the Pennines. York fell in 581; Catraeth (Maiden Castle near Catterick), famously, probably in the 590s. Rheged remained independent until 633, and culturally, especially religiously, influenced its English-speaking neighbour either side of 620, when Rum was king of Rheged and Edwin of Northumbria. In 633, however, the male line of Rheged’s dynasty failed and the kingdom merged with Northumbria by royal marriage of Rheged’s daughter.
Looking next at Britannia Prima, the Roman Province south of the Mersey and west of a line from the Staffordshire Moorlands to the Hampshire Avon and Bournemouth, as in Secunda, the civitates morphed into kingdoms, and their considerable sense of British cultural unity did not translate into any political unity. On the contrary, small-scale inter-kingdom fighting became normal. It would be misleading to call western Britain “Roman Britain” any more by the mid-sixth century, these former civitates that were fully independent and squabbling kingdoms with no governance links beyond their borders and no Roman empire to link to anyway, but the term “sub-Roman” can be used with fair justification, for their elite were Romanised in cultural style, wrote (when they did) in Latin, and kept up strong trade links to Byzantium.
There is evidence of several areas near the western coast becoming conquered or heavily influenced by Irish intruders. There is none of any area that had been part of Britannia Prima coming under English control prior to 577. The Great Raid of 473 broke into the Cirencester civitas; in 490 King Arthur of Lindinis (mostly Somerset) won a famous victory over English invaders at the Battle of the Badonic Hill, i.e. the hill in the small Spa civitas of Bath; for the next eighty years, the kings of western Britain were at peace with their English neighbours.
But in 577 the agriculturally rich kingdom of the people known to the Romans as the Dobunni was lost at the Battle of Dyrham. Its area, covering all of Gloucestershire and Worcestershire east of the Severn, West Midlands County, and western parts of Oxfordshire and Warwickshire, plus the petty kingdom that had been the Spa civitas for Bath, became the English kingdom of the Hwicce (whose name is remembered by place-names such as Wychavon, Wychwood, and Bromwich). Very slowly, more territory came under English rule in the next one and a half centuries or so, with notable English battle victories at Chester in 611, Pengwern (?Shrewsbury; in ?634), Bradford-on-Avon in 652, Penselwood in south-east Somerset (?South Cadbury, a.k.a. Camelot) in 658, and Somerton in 733. However, the Westcountry west of the Parrett, western Herefordshire and Wales remained under the rule of British kings into at least the ninth century.
By contrast, in the Province of Flavia Caesariensis, which comprised approximately East Yorkshire, Lincolnshire, Leicestershire, a little of eastern Warwickshire, and parts of Nottinghamshire and Derbyshire, such little evidence as there is is consistent with a wholly peaceful transition from Roman to English rule. There are not even signs of a short period of Celtic British independent kingships in-between, except in western Derbyshire where the recording in 676 of a semi-independent Mercian territory of Pecsaetna[i] attests to a territory around the Peak – a Peak district, the successor state to the small Roman Spa civitas of Buxton – that was not settled by English people.
Documentary evidence is only that of absence. Both British and English sources enthusiastically recorded battles – the English, only ones they won. Yet none are recorded in this Province. It is apparent from Bede, however, that these areas were all under English rule from long before the eighth century. East Yorkshire was the English kingdom of Deira since well before 547. Lindsey was an English kingdom since the fifth century. Leicestershire and English settlements close to the Trent were known as the Mierce (meaning Borderland, cognate with modern German maerchenland and English ‘marches’), later Mercia. Bede referred to North and South Mercia, divided by the Trent. Archaeological evidence from excavations near Hessle in East Yorkshire supports the view that the transition in Flavia was peaceful. The Roman city of Lincoln seems to have ceased to function within a few decades of 409.
The story of the remaining Province, Maxima Caesariensis, the south and east of the island, is very different. Here, there was warfare from the mid-fifth century onwards. Here, there was destruction of Roman cities and slaughter in the streets, imprecisely and sorrowfully recorded on the British side by Gildas and occasionally gleefully and with variable reliability in the Anglo-Saxon Chronicle. Here, the course of history was affected by diplomatic marriages and savage treachery. English warriors were employed as mercenaries under Roman command, and they remained after 409, soon becoming dominant forces in some civitates – Winchester’s, probably, on the archaeological record; Kent, famously by treaty between the British ruler Vortigern and the English warrior-commander Hengist, in about 450; Essex and Sussex (which included most of Middlesex and of Surrey respectively), reported to have been as ransom for Vortigern after his capture, possibly in or soon after 470.
Nennius records that Vortigern came to power in 430.[ii] Power to what extent? The battles and political dealings attributed to him involve Essex, Kent, Sussex and Hampshire. De-facto Governor (hence Gildas’s title for him ‘tyrannus’, i.e. ‘non-legitimate ruler’) of MaximaCaesariensis Province would be the answer that best fits the geographical record. Whether he could exercise any influence in Britannia Prima can only be speculated.
Vortigern’s son Vortimer won a battle against Hengist at a location called by the British Set Thirbagail, and by the English Aylesford, which is on the Medway near Maidstone, recorded by both sides: in Nennius, chapter 44; and in the Anglo-Saxon Chronicle, for 455CE. The battle next recorded in chapter 44 of Nennius, at which the Saxons were defeated and “fled to their ships”, may likewise be the same as the one recorded in the Anglo-Saxon Chronicle for 465.
Alas for Britain, Vortimer then took his army across the channel to help the struggling Roman Empire in Gaul, where in 470 they were wiped out in Burgundy (c.f. comparable events in 1940), or anyway disappeared from the record. Vortigern regained power, but was displaced by Ambrosius in or before 479 following the disastrous Saxon raid across southern Britain in 479.
During the fifth century, the civitas of the Iceni, in Norfolk and Suffolk, and the one whose Roman city was Water Newton near Peterborough, which later became the kingdoms of the Gyrwas covering approximately Cambridgeshire and Holland, and perhaps Kesteven, also came within the arc of English rule from Christchurch to Beverley which Gildas refers to as “our enemies in the east”. One Roman source says Britain “had passed into the hands of the Saxons” by the early 440s. He may have meant these eastern civitates plus the Flavia Province.
Historians do not believe that the battles which the Anglo-Saxon Chronicle says were fought by the Gewissae (later known as the West Saxons and then Wessex) ever occurred. But the date for the founding of their kingdom, 495, may be genuine. It is consistent with archaeological evidence of late-fifth century English settlements at Abingdon and at Dorchester-on-Thames. It is well known that the first kings of the Gewissae, Cedric and Cynric, had British and part-Irish names, and it is possible that these men were British rulers of the Silchester civitas which chose from that time to rely on English warriors for its defence.
Thus it appears that by the start of the sixth century all of Maxima Caesariensis was under English rule, except for the large civitas whose Roman capital was St. Albans, which included Hertfordshire, Bedfordshire, Northamptonshire, Buckinghamshire and eastern Oxfordshire. This civitas, though ceasing to be governed from and maybe not controlling St. Albans, became the British kingdom of Calchfynydd. This name means ‘chalk hills’ and appears in English translation in the Mercian Tribal Hidage of 672 as the tributary kingdom of the ‘Ciltern-saetna’, the people who live in the Chilterns (the chalk hills). Calchfynydd remained British until it lost the Battle of Bedford in 571 and forfeited the fortresses of Aylesbury, Benson (a military site also today, the RAF base on the left bank of the Thames in mid-Oxfordshire), and Eynsham (NW of Oxford and close to the Calchfynydd-Dobunnic border). The remnant of Calchfynydd, basically Northamptonshire, may have come effectively under English conquest when they killed King Cadog at Bannaventa (the Roman town near Weedon Bec) in 580.
The Non-Uniform Process of Anglicisation
This brief survey shows that the Anglicisation of Britannia was neither a uniform process of conquest, nor a uniform peaceful transition. Rather, there were four distinct stories, substantially but not precisely coterminous with the four prior Roman provinces, each story radically different in time and in process from the others. It is these contrasts that are the primary cause of confusion about how and when Britannia became English and the running disputation as to whether the change was essentially a conquest or a peaceful transition.
In the centre-east of Britannia, one Roman Province and a couple of adjacent civitates became English-ruled within the first generation after the Roman legions departed in 409, without any recorded warfare – quite possibly by the voluntary choice of their first sub-Roman rulers. Most of another Province, in the south-east, became English through force of arms in the thrust and counter-thrust of warfare during the second half of the fifth century. A third Province, in the north, became English through political and military power over the years 581-633. Parts of the fourth, the western, Province plus an adjacent civitas from the south-east (Calchfynydd) were conquered piecemeal over nearly three centuries (from 571 to 838), but other parts (Wales and Cornwall) never became incorporated into Anglo-Saxon England.
Thus by 500 a considerable chunk of eastern and south-eastern Britain was under English rule, the area behind the coast from Bournemouth to Beverley, divided among a dozen young kingdoms; but the bulk of the country – all of the north, all of the west, and the centre as far east as Bedfordshire and Buckinghamshire – was comprised of sub-Roman Celtic-British kingdoms. This was still the geographical reality in 570.
During the next eleven years English kings conquered British territories equivalent to about nine counties, mostly in the Midlands. But in 582, even after these losses, all the regions west of the Pennines, the Severn and Selwood Forest remained under British control, and there was little further change in the following half-century. Only after the early 630s, with Powys’s loss of Pengwern, the defeat of Cadwallon of Gwynedd after his brief conquest of Northumbria, and the merger of Rheged into Northumbria, can it be said that English kings ruled over most of what was to become England.
The exceptions, lands outwith English control beyond the 630s, were Ergyng (the part of modern England south and west of the Severn), ruled by a British king known to the Mercians as Merewalh (which means ‘illustrious Welshman’), Lindinis (Somerset, western Wiltshire, northern Dorset and northern Devon), and most of Kernow (Cornwall and south Devon). Some of these areas remained under Celtic British rule for centuries; Cornwall into the tenth century.
Plenty of people publish on the internet, or in a few cases in books, their discoveries of aspects of the process by which Roman Britannia became a patchwork of English kingdoms, including me in earlier posts on this blog about King Arthur, Somerset, and Lindinis in the fifth and sixth centuries, and indeed through to the eighth century. But I trust and believe some readers will find it useful to have this summary of the process, of the overall picture of the change across three centuries, gathered here in one relatively brief narrative.
[i] In the Mercian Tribal Hidage. In that document, the ending –saetna was used for some petty kingdoms that were not part of Mercia but were scheduled for paying land taxes to Mercia, including Pecsaetna and Cilternsaetna. These areas were under English political influence but not areas of English immigrant settlement.
[ii] He transmits a record that from “Rufus and Rubelius” – obviously meaning the consuldom of Fufius and Rubellius in the first half of 29CE – to Stilicho was 373 years and from Stilicho to the start of Vortigern’s reign was 28 years, which in combination take the date to 430CE. He also names Valentinian and Theodosius as consuls that year, which is true of 430 (and also of 426 and 435).