The political map of the Celtic world was never stable for long. The Celtic tribal organization cluster within the broader Celtic society, law, and governance survey shows a kaleidoscope of small polities, the tuatha of Ireland, the cantrefi of Wales, the pagi of Gaul, that were constantly splitting, merging, conquering, and being conquered. Caesar counted more than sixty separate tribes in Gaul on the eve of the Roman conquest, and the Irish annals record the rise and fall of dozens of small kingdoms over the course of the early medieval period. The Celtic world was a world of constant political reshuffling, and the reasons lie deep in the structure of Celtic society.
The Logic of the Small Polity
The basic unit of Celtic political life was small, and the smallness of the unit is the first reason why fragmentation was so common. The Irish tuath, the Welsh cantref, and the Gaulish pagus were units that a single chief could know personally: every free man of the unit could, in principle, be summoned to the assembly, and the chief could raise the whole of the fighting men of the unit in the course of a single day. The unit was, in effect, a face-to-face community, and the small size was a precondition of the participatory assembly system that was a defining feature of Celtic political life.
The small size of the unit, however, also made it fragile. A tuath with a population of a few thousand people could be wiped out by a single defeat in war, by a single succession dispute, or by a single epidemic. A pagus that lost its chief in battle could be absorbed by a neighbour, and a cantref whose ruling dynasty died out could be divided among the kin of the dead chief. The political map of early medieval Ireland was redrawn every few decades. The same is true of the Welsh and the Gaulish political maps, although the documentary record is less complete.
The small polity was also, in a structural sense, a default state. A larger political unit, such as the cúige or province of Ireland, was always a coalition of smaller units, and the coalition was always liable to break apart. The high kingship of Ireland, the rí Érenn, was, for most of the early medieval period, a ritual claim rather than a working political authority, and the Feis Temro at Tara was a periodic confirmation of the claim rather than a real exercise of power. The modern Celtic civilization today has inherited a strong suspicion of centralised political authority that is rooted in this older fragmentation.
Tanistry, Partition, and the Cycle of Division
The Celtic rules of succession, with their emphasis on tanistry and the election of the best man of the kin group, were a second major cause of fragmentation. The tánaiste or designated heir was chosen by the tuath during the lifetime of the king, and the choice was not strictly hereditary. A king could designate a brother, a cousin, or a nephew as his successor, and the assembly could confirm or reject the designation. The system gave the tuath a flexibility that the more rigidly hereditary systems of contemporary England and Francia did not allow, but it also created a permanent competition for the kingship, and the competition often led to division.
The competition took several forms. A king might designate one successor and the assembly might confirm another, and the resulting dispute could split the tuath in two. A king might have several sons by different wives, each backed by a different faction of the flaith, and the death of the king could be the signal for a civil war. The Irish annals record many examples of such disputes, and the pattern is so regular that the modern historian can almost predict the sequence of events. The Celtic legal tradition contains a substantial body of rules designed to manage the disputes and to limit the damage.
The system of tanistry also encouraged partition. When a king died, the tuath was often divided among his sons, with each son getting a portion of the land and a portion of the flaith. The result was a smaller tuath for each son, and the smaller tuatha were then vulnerable to the same process of division in the next generation. The cycle of division striking patterns in the history of the Celtic civilization, and it is one of the main reasons why the political map of the Celtic world was so constantly being redrawn.
Migration, Conquest, and the Persistence of the Pattern
The Celtic world was subject to a constant pressure of migration and conquest from outside, and the outside pressure was a third major cause of fragmentation. The Celtic peoples themselves had expanded across Europe in the late Iron Age, and the expansion had brought Celtic-speaking populations into close contact with the Mediterranean world, with the Germanic peoples, and with the Romans. The Roman conquest of Gaul and Britain did not, by itself, cause the fragmentation of the Celtic world, but it imposed a new political framework on the older Celtic polities, and the framework disrupted the older patterns.
The Germanic migrations of the late Roman and early medieval period, the Viking raids and settlements of the ninth and tenth centuries, and the Anglo-Saxon and Frankish expansions into the Celtic-speaking regions were all disruptive. The Anglo-Saxon expansion into Britain pushed the Celtic-speaking Britons into the western fringes of the island, and the resulting political units of Wales, Cornwall, and the Brittonic-speaking regions of the north and west were the remnants of a much larger Celtic political world. The Frankish expansion into Gaul absorbed the continental Celtic-speaking populations, and the surviving Breton and Cornish populations were similarly reduced. The Viking settlements of Ireland and Scotland added a further element of disruption.
The pressure of migration and conquest, however, did not only disrupt. It also produced new formations. The British resistance to the Anglo-Saxon expansion produced the kingdoms of Gwynedd, Powys, Deheubarth, and Morgannwg, the great Welsh kingdoms of the high Middle Ages. The Irish resistance to the Viking expansion produced the high kingship of the Uí Néill and the other provincial kings, and the eventual unification of most of Ireland under the Uí Néill and their successors. The Breton resistance to the Frankish and Norman expansion produced the duchy of Brittany, and the Scottish resistance to the Norse expansion produced the kingdom of Alba. The fragmentary pattern, in short, was the basic feature of the Celtic tribal organization for more than a millennium, and the modern Celtic nations have inherited a strong element of local autonomy that is rooted in the older pattern. The persistence of the fragmentary pattern has had a mixed reception, but the older Celtic political units, with their small size, their participatory assemblies, and their flexibility, are best understood as a working adaptation to the conditions of early medieval Europe.
Related Topics
- The Celtic tribal organization cluster examines the structure of the tuatha and the cantrefi that fragmented and reformed over the centuries.
- The Celtic law and the Brehon tradition cluster sets out the legal rules that governed the partition and the succession.
- The history of the Celtic civilization pillar provides the chronological and political context of the fragmentation.
- The Celtic warfare and warriors pillar treats the military side of the constant conflict between the small polities.
- The Celtic legacy today pillar examines the modern reception of the older Celtic political units.