It is doubtful that any such vessel was especially large, and later - admittedly somewhat questionable - sources tend to talk of between one and four boats in any force. A raiding group numbering hundreds of warriors was probably exceptionally large and most parties would have been smaller. Normally they would only strike at targets near the coast or reached along an easily navigable river. Other than in their means of transport these attacks were essentially the same as other barbarian raids. The late fourth-century military writer Vegetius mentioned that the English Channel was patrolled by small warships, whose sails, rigging and even the sailors' uniforms were coloured to blend in with the sea. Although this may well have made them harder to see at a distance, it can rarely have been possible to intercept the raiders on their way in. They were more likely to be caught before or after they landed, and most of all as they retreated. Again, the pattern was much like raiding on land and, in just the same way, successful expeditions would encourage more attacks. Maritime raiding does seem to have been fairly common throughout the Roman period. It may well have occurred before this period and would certainly persist for many centuries after the Western Empire had gone, most famously in the Viking Age.'6
The Saxon Shore forts varied in design. They were probably built over a long period and not as a single planned system. Other third-century forts, such as the one on the Taff at Cardiff, which were not included in the later command, seem to share many common features. All were strongly fortified and situated on a navigable river, usually at its mouth. Little is known of their internal arrangements. The purpose of the Saxon Shore forts has been as hotly disputed as their name. One suggestion has been to see their role as primarily logistic. This assumes that grain from imperial estates or gathered as tax was transported along the rivers to be massed in a supply dump within the Saxon Shore fort. It could then be transported by the Roman navy to the Rhineland or wherever else it was required. There is no evidence at all to support this, and it has largely been based on the mistaken assumption that there was no significant Saxon raiding.'
The Saxon Shore forts could not have prevented every attack, but did restrict access to the major rivers. This made it harder for raiders to reach deep into the countryside. We do not know whether by the start of the fifth century the Romans still maintained naval squadrons in Britain as they had done in earlier years. None are mentioned in the Notitia Dignitatum. Seaborne patrols would have been useful in making raiders more wary and might on occasions have caught them on shore or returning home. It is impossible to know when Vegetius' camouflaged patrol boats ceased to operate. As a general rule naval forces were and are more expensive to operate than troops on land and so are especially vulnerable to shortages of funds. The garrisons of the forts would have been capable of patrolling the land around their bases. Like anywhere else, there were not enough troops to keep the entire frontier perfectly secure. The best the Romans could hope for was to make it dangerous for raiders to operate, intercepting enough groups to prevent the coast of Britain becoming seen as an easy target. Their presence may have done a little to make the local population feel that they were protected, and the larger forts such as Porchester may also have served as places of refuge.
All of Britain's cities were strongly walled by the fourth century. Opinion is divided whether they were in decline by this period. There are cases of public buildings such as basilicas and theatres falling into ruin. Significant numbers of large town houses were also abandoned. Only a minority of communities seem to have had a working public bath house by 400. Yet cities were clearly not abandoned. There was still some building, although more often in timber than stone, and several former public buildings were turned into workshops or factories. More problematic is what is known by archaeologists as `dark earth', a thick layer of dark grey soil often containing plant remains, animal bones and charcoal, which is found on top of earlier Roman buildings on many urban sites. Although some have seen this as traces of less well-constructed timber structures, more probably it represents the abandonment of these parts of a city for building. It may have been cultivated or perhaps no more than a convenient dumping ground. Perhaps the population of many cities and of the small towns declined. Certainly, they were less grand than they had once been, but this in itself does not mean that they ceased to function altogether."
The fourth century saw the construction of many of the largest and most luxurious villas ever built in Roman Britain. It is possible that some aristocratic families chose in these years to spend more time on their estates than in their town houses, but equally, completely different factors may have caused this phenomenon. By the end of the century very few new villas were being built on such a scale and some existing ones fell into disuse. As with the decay of major buildings in the towns, this did not in itself mean that the lands were abandoned. The estate may have continued to function as a unit based around a rather humbler dwelling and we really cannot say very much at all about the state of the rural economy. There is also little direct archaeological evidence for Christianity in Roman Britain. Pagan temples did continue in use especially in the rural areas, but suggestions of a pagan revival in the countryside are unconvincing. A better case can be made for the majority of the urban and rural population being at least nominally Christian by the start of the fifth century."
Whatever the gradual changes in the fortunes of towns, villages and country estates, the end of formal Roman rule in Britain was both abrupt and unexpected. Constantine III flourished for four years before finally suffering defeat. Many of the prominent men in Britain had already lost enthusiasm for his rule. As far as we can tell he had shown no real interest in Britain or its problems once he crossed to the Continent. His resources were stretched very thin and the success he enjoyed was really just a reflection of the weakness of central government. Around 407-408 some British leaders rebelled and expelled Constantine's officials. Zosimus tells us that in about 410 the rebels appealed to Emperor Honorius, who replied from Ravenna `urging them to fend for themselves'. Doubt has been raised about this passage and some have suggested that a copyist's error has changed Bruttium in Italy to Britain. This is not especially convincing and raises problems of its own. In the end, it probably does not matter whether or not Honorius actually did instruct the leaders in Britain in this way. Direct Roman rule certainly ended at about this time. The government at Ravenna was simply incapable of reasserting rule in such a distant province. Even when Constantine was finally defeated there were too many other problems to deal with and its resources were inadequate.2O
A[fler the End
Roman rule in Britain was ended by a rebellion against Constantine III. As far as we can tell it was not a revolt against Rome or the empire itself. For at least the next century the educated inhabitants of the island still seem to have referred to themselves freely as Romans or Britons. In a way it was unusual that the rebels did not proclaim a new emperor. By this time the army left in Britain must have been small, probably no more than skeleton units of limitanei dotted around the frontier outposts. They were neither numerous nor united enough to impose a single ruler, whether as emperor or representative of Honorius' government. No one had the power or money to hold the diocese or even the individual provinces together. New coinage stopped reaching Britain in significant quantities after 402. None of the communities or leaders to emerge in the fifth century minted their own currency. This lack of new coinage makes it much harder to date sites from this period. It does not mean that the economy entirely ceased to be monetary, and money may still have been used for some exchanges for a considerable time. It is an indication, however, that there were no more professional, salaried soldiers. The imperial taxation system also ceased, and gold or grain or other levies no longer had to be gathered and transported on such a vast scale."
Britain broke up into many separate communities. It was not simply a reversion to the old tribes pre-dating Roman rule. Too much time had passed for these to have great meaning and, instead, the administ
rative states created by the Romans had more significance. Even so, the powers that would emerge did not follow these boundaries very precisely. Instead, new states or kingdoms were created. Most, if not all, were ruled by kings - or tyrants, as Gildas and other sources tend to dub them. They may not have been the only authorities, and some civic leaders seem to have continued to exist, but such warlords were undoubtedly stronger than any other powers to emerge. Central imperial power had gone and in its place anyone capable of controlling enough force, influence and wealth was able to carve out a kingdom.22
A source written in Gaul in the middle of the fifth century talks of Britain being `devastated by a Saxon invasion' in 410. There is no archaeological evidence for this attack, but then the same is true of most barbarian raids on Britain and other parts of the empire. Certainly, settlement by Saxons or other north German peoples in early fifthcentury Britain seems to have been limited to a few small communities in the south-east. These may as easily have been mercenaries brought in by British leaders - or before that by the imperial authorities - as settlers who seized territory by force. The example of Alaric's Goths shows that the same group could easily appear in both guises over the course of just a few years. The attacks in 410 were most likely heavy raids and need not have involved huge numbers of warriors or any attempt at permanent occupation. Some might prefer to date the attacks earlier and associate them with the ones that are supposed to have provoked the rebellion against Constantine. Alternatively, Saxon attacks may have become heavier to exploit the weakness in Britain following the expulsion of the imperial authorities."
Saxon raids posed a problem, especially to those communities in vulnerable areas. The same was true of plundering bands of Picts, Scots and Irish. All were likely to have been quite small-scale, especially when the attackers came by sea. Roman rule in Britain was not ended by outside attacks, nor were the British powers that emerged rapidly overrun by these foreign enemies. There is some sign of the Britons organising to combat their foes, especially on Hadrian's Wall where several forts were reoccupied in the fifth century. Sometimes the evidence of activity is slight, but at Birdoswald a large timber hall was built on the foundations of the Roman granary. Someone also repaired the defences at Housesteads, although in earth rather than stone. At the very least this suggests local war leaders with warbands were based in partially restored former army bases. One scholar would even see this as the sign that a leader emerged able to revive something of the old military command of the Dux Britanniarum, albeit doubtless on a more modest scale .14
Britain's kings and warlords most likely fought each other as often as foreign enemies - the Romans had no monopoly on civil war - and the fragmentation of the provinces into many small kingdoms does not suggest harmony. Like the emperors, it would be surprising if they did not employ barbarians as allies or mercenaries to fight against their neighbours and rivals. For at least a few decades it was British leaders who remained in control throughout the old Roman diocese. No light was switched off, immediately extinguishing all aspects of culture and life from the Roman period. Most cities and towns continued to be occupied, as did many villas. Some substantial buildings were built within the old walls of towns, even if they were invariably of timber construction. Systems to supply water remained in use for most of the fifth century, in at least one case being repaired. Some baths continued to function, but in general these were one of the first things to decay and be abandoned both in cities and at villas. Very soon no one had the skill or wealth to maintain such sophisticated pieces of engineering, let alone build new ones. There were also more mundane changes. It quickly became rare to use pottery that was not made locally, and before long the potters ceased producing wheel-turned pottery."
Some things survived, but that is not to say that the changes were not major and fairly rapid - certainly within a generation - even if they were not instant. Life in Britain became less sophisticated, with few signs of prosperity comparable to the Roman period. The wealthiest were cushioned to some extent, and it was easier for them to leave and settle in Brittany, but their comforts were fewer both there and in Britain itself. Western Britain, notably Wales, Cornwall and Cumbria, had been amongst the least developed parts of the Roman province. Paradoxically, this may have changed in the century or so after Roman rule, with these areas becoming a little more `Roman' and almost certainly more thoroughly Christian. There is no good evidence for a substantial pagan community in Britain in the fifth and sixth centuries before the creation of the Saxon kingdoms.26
Britain was not cut off from all contact with the Roman empires after 410. Trade declined massively, and it was no longer part of the imperial bureaucratic and fiscal systems, but as far as both Romans and Britons were concerned it remained part of the Roman world. The church played a key role in maintaining this connection. Bishop Germanus of Auxerre in Gaul was later canonised and his biographer recorded two visits to Britain, the first in 429 and the second sometime in the next fifteen years. Travel to Britain was evidently still possible and not excessively dangerous. Nevertheless, it is hard to judge how much the biographer really knew of life on the island. Germanus seems to have visited St Albans (Verulamium) and went to the shrine of its famous martyr. In one city he healed the blind daughter of a local dignitary, called a tribune, but whether this was the correct title is questionable. He also rallied the locals to defeat a band of Saxons and Picts - in itself a fairly unlikely combination - teaching his men to raise a shout of `Alleluia!' This is said to have been enough to rout the enemy.27
Yet the main reason for both visits was to combat heretical Christians rather than foreign plunderers. Germanus held debates with priests adhering to a doctrine named Pelagianism after its founder. Pelagius was originally from Britain, although his preaching mainly attracted attention after he moved to Italy in 380. His particular brand of asceticism was moderate by the standard of the day, but his emphasis on the ability of individuals to become virtuous through effort and make themselves acceptable to God was far more controversial. Over time he attracted many prominent critics, including St Augustine, who accused him of effectively denying that salvation depended on grace alone. Pelagius was finally condemned as a heretic in 418. Germanus' biographer claims that the bishop easily confounded the British Pelagians in debate. He also characterises them as boastful and ostentatiously dressed, but this may just be conventional criticism. It is hard to say whether it can be used to show that there were substantial numbers of wealthy aristocrats and priests in the British towns.z8
Invaders
Older books tend to depict the arrival of the Saxons, Angles, Jutes and other tribes as a massive invasion, which killed or drove off all of the British inhabitants of the south-east. Later these peoples would continue to expand, creating kingdoms and in time merging into the AngloSaxons, speaking their own Germanic language and with their own customs and laws uninfluenced by Roman or British ideas. The descendants of the population of Roman Britain were dubbed the `Welsh' or foreigners and forced into enclaves in Cornwall, Wales and the northwest. Thus was England created."
More recently, ideas about this and other ancient migrations have changed profoundly. Scholars have doubted the scale of any movements, suggesting that the invaders were far outnumbered by the indigenous population. At the same time, the violence of their arrival has often been played down, particularly by emphasising the idea that many arrived as mercenaries. The discovery of graveyards that appear to show Saxon and Briton being buried on the same site has been interpreted as demonstrating that the two groups could and did peacefully coexist. Others would see the spread of Saxon styles - again, largely through grave finds and mainly of metalwork such as brooches and belt buckles - no longer as an indication of the advance of these people. Instead, it has been suggested that the Britons deliberately aped these styles, willingly associating themselves with the Germanic peoples for political reasons.3°
As usual in such cases, the pendulum has swung too far and it is important
to look again at the evidence. Saxon finds become markedly more common around the middle decades of the fifth century. Most are in eastern England, and the greatest single group are from burials. Initially, these take the form of cremations, but gradually inhumation becomes normal, with the body usually accompanied by grave goods. In roughly the same period, literary sources speak of a great war beginning when Saxon mercenaries rebelled against their British employers. In one tradition, the king responsible for enlisting the Saxons' services is called Vortigern. The names of the warriors' leaders, the two brothers Hengist and Horsa, mean literally `stallion' and `horse' and may well be later inventions."
The details and precise dates of this conflict are impossible now to reconstruct, but there does seem to have been an increase in the area dominated by Saxon groups at this time. Events elsewhere in the empire have shown that barbarian warbands did not need to be especially large to cause a fundamental shift in the local balance of power. The imperial government rarely had enough soldiers to defeat these groups. Usually this was only possible when they hired another set of barbarians to fight on their behalf. Such leaders as emerged in Britain can only have been massively weaker and so even less capable of dealing with barbarian groups. Given that there was no central authority as powerful as the empire at the start of the fifth century, even very small bands of warriors would have presented a major problem. On the other hand, it does seem that many settlements in northern Germany and Denmark were abandoned in the fifth century. In some areas sea levels rose and previously fertile fields were flooded or turned into salt marshes. A significant migration to better land in Britain is perfectly possible."
How Rome Fell: Death of a Superpower Page 42