How Alfred the Great's Military and Educational Reforms Transformed Wessex

The Reforms of Alfred the Great Script for Kings & Generals - Viking Britain Episode 3 In the winter of 878, King Alfred of Wessex had been humiliated. A surprise attack by the Viking leader Guthrum had exposed the weakness of his kingdom's defences and forced the king into hiding in the marshlands. But the men of Wessex rallied around him, and at the Battle of Edington, he defeated Guthrum for good. The two men swore to peace, and Guthrum even converted to Christianity, with Alfred as his godfather. But Alfred never forgot his cold months of disgrace.

He vowed that no King of Wessex would ever again be humiliated as he had been, and the rest of his reign was dedicated to transforming his kingdom. He envisioned a fortress kingdom - governed by a strong ruler, served by educated and obedient noblemen, and defended by a well-organised army. In this episode, we will discuss how Alfred the Great's military and administrative reforms transformed Wessex into the most formidable kingdom in Britain. In 878, Guthrum finally left the Kingdom of Wessex and returned east to rule East Anglia. For the moment, the storm had passed, and peace prevailed, allowing Alfred to begin restoring and

reforming his kingdom. But first, he began with retribution. Those who had sided with Guthrum during the invasions were punished. Chief among them was Wulfhere, ealdorman of Wiltshire, who was stripped of all lands, titles, and offices along with his supporters, replaced by men who had remained loyal at Edington. Then came something far more ambitious: the largest construction project in England since the building of Offa's Dyke. Alfred ordered the building of more than 30 fortresses - burhs, as the Anglo-Saxons called them - throughout his kingdom.

Each was protected by deep ditches and high walls, often made of timber palisades and earth ramparts, linked together by roads and permanently garrisoned with soldiers supplied by local landholders. Some were old Roman towns like Exeter and Winchester, which could repair their ancient stone walls; others were erected on entirely new sites, like Wallingford and Christchurch. Our window into this remarkable project is the Burghal Hidage, a document from the early 10th century that lists all burhs, the length of their walls, the area responsible for supplying them,

and the precise number of soldiers required to defend them. A grand burh like Winchester, where the king often held court, required 2,400 soldiers to man its walls; a minor burh like Lyng only needed 100. Most strikingly, if all the burhs were manned, 27,000 soldiers could be summoned collectively across Wessex - probably a fifth of the kingdom's entire adult male population. Geography was central to Alfred's thinking. Burhs were positioned along vulnerable coastlines, on the banks of great rivers like the Thames, and at key roadways into the kingdom, yet Alfred

ensured that every subject was within one day's march - about 20 miles - of their nearest burh. In the event of a Viking invasion, people could take refuge there with their grain, cattle and valuables, depriving the raiders of easy plunder. Capturing a burh was no simple matter: attackers faced deep ditches, high ramparts and hundreds or even thousands of defenders launching spears and rocks. Surrounding it was equally perilous, since long sieges gave nearby burhs time to send reinforcements. Alfred's creation was not merely a chain of fortifications but an integrated,

mutually supporting defence system that would become the foundation of West Saxon security. And yet this was only part of Alfred's military reforms. The army's central problem was speed and mobility. Viking longships allowed hit-and-run tactics - raiders could appear without warning, strike an unprepared coastal target, build a makeshift fort or race away on ships or horses, all before the English could raise a defence. Wessex had no significant standing army; the king and his great lords employed elite household warriors, but raising large forces meant summoning soldiers from estates and farms, a process that took several days.

Soldiers were also reluctant to leave their farmsteads for extended periods, which made them disinclined toward long campaigns. Alfred solved this by splitting the army into two rotating contingents: one half served as a standing force on horseback, able to ride to battle at a moment's notice, while the other remained at home to tend the farms, providing a quick-response force that could campaign for months without fear of leaving their livelihoods unattended. He also built a small fleet to guard his coasts, personally designing ships larger than Norse longships

and hiring Frisian mercenary sailors to assist the English seamen, who had little experience of naval warfare. This was initially more of a coast guard than a Royal Navy, but it provided an additional layer of protection for coastal settlements. Yet Alfred was not only a protector of his subjects - he believed a good king was also a teacher. In Wessex, education had been all but destroyed, and literacy was collapsing. Churches and monasteries, the centres of learning, had been subject to Viking raids for decades, and Alfred himself admitted he knew almost no one in his

kingdom who understood Latin. Peace allowed the king to change this. His nobles and officials were told they must learn to read and write in English or lose their offices. A school was set up at the royal court for Alfred's children, the sons of nobles, and some from the lower orders. Scholars were hired from across Britain and Western Europe to restore Latin within the church and to translate great works of history, philosophy, and theology into English, making available works the king believed were 'most necessary for all men to know.' Alfred personally led by example,

learning Latin himself so he could take part in this grand translation project. It was a moral mission - education and reading brought wisdom, and only a kingdom governed by the wise could gain God's favour - but it was also a practical revolution. Literacy meant the king's judges could properly understand his written laws, ealdormen could correspond with him, generals could follow his written orders, and priests understood the true interpretation of what they preached. The king was creating a sophisticated, literate and efficient government and ruling class.

While Alfred oversaw reforms within his kingdom, he looked beyond its borders to bolster his security and power. To the north, the Mercian kingdom had been divided in two: the English ruled the West, the Danes ruled the East. King Ceolwulf of Mercia had maintained peace with the Vikings, but he fell from power in the years following Edington. In his place emerged a Mercian nobleman, Æthelred. Unlike his predecessor, he took a staunchly anti-Viking stance, but this soon left him beset by Welsh and Danish enemies on three sides. What Mercia needed was a protector, and no man was better placed to provide this than Alfred. So, in about 883,

Æthelred agreed to become Alfred's vassal, paying tribute to Wessex, fighting against its enemies, and attending the king's councils. In recognition of this, Æthelred abandoned his kingly title and became the 'Lord of the Mercians,' while Alfred took the grander title 'King of the Anglo-Saxons.' With Mercian support secure, Alfred marched east in 886. A Viking army still held London; he drove them out, reclaimed the town, and quickly rebuilt its old Roman walls. Soon afterwards, nobles from across his new kingdom gathered to renew their oaths of loyalty. As the Anglo-Saxon

Chronicle records, "the whole English nation turned to him, except that part of it which was held captive by the Danes." The alliance between Mercia and Wessex was then sealed in matrimony: Æthelred married Alfred's daughter Æthelflaed, permanently binding both men together. Æthelred was gifted control of London itself - a town that had belonged to Mercia for centuries - a gesture showing Alfred would be a just overlord who respected Mercian customs and traditions. Shortly after, Alfred and Guthrum signed the treaty that bore both their names, formally defining a mutual border between their kingdoms and setting rules for trade,

crime and dispute along it. It was another step toward a long-lasting peace between the English and the Danes. The 880s had been a remarkable decade for Alfred: Wessex was now a fortress, the Mercians were his subjects, and peace with the Vikings was reaffirmed. Yet peace rarely outlasted the leaders who made it. When Guthrum died in 890, the English were vulnerable once again. His replacement, King Eohric, had no interest in the Christian faith or in peace with Wessex - a green light to the ambitious raiders still active on the continent. One man seized the opportunity. Hastein was no ordinary raider but a veteran sea-king,

feared throughout Europe. As a young man, he had raided throughout the Mediterranean - Spain, Italy, and even northern Africa suffered from his attacks - and since then, he had made a living terrorising the princes and bishops of northern Frankia. Frankia was suffering from famine in 892, so Hastein decided to move into richer pickings. He launched his invasion from Boulogne in the autumn, sending a vast armada of 250 ships ahead to land in southern Kent at Appledore, then following himself with 80 ships to make landfall to the north at Milton Regis. This was no ordinary

raid - it was the largest Viking fleet England had faced since the Great Heathen Army in 865, and its soldiers had even brought their families. They had come to conquer, settle and rule Wessex. Alfred reacted quickly and cautiously. War was inevitable, but through diplomacy, he sought to divide and weaken his enemies. Envoys were sent to East Anglia and York, whose kings pledged not to support Hastein. Alfred then marched into Kent, stationing himself between the two armies, and in early 893 entered negotiations with Hastein. A payment of danegeld was offered for peace;

Hastein accepted and withdrew to Essex, where he built a new fortress at Benfleet. This left the Viking army in southern Kent free to march west into the heart of Wessex. The invaders raided throughout Sussex and then Hampshire, but kept clear of Alfred's fortresses, which forced them to stay on the move and reduced them to raiding unguarded villages and farms. When the army eventually retreated north to link up with Hastein at Benfleet, Alfred's eldest son Edward was waiting. He had already gathered an army in the north and blocked the road out of Wessex.

As soon as the Vikings entered Surrey, they were confronted at Farnham - hundreds of Norsemen were slaughtered, their plunder was seized, and the survivors fled. Some reached Hastein's fortress at Benfleet; others sought refuge at Mersea Island under the protection of King Eohric. For now, Alfred's strategy seemed to have worked, but the oaths of peace had been entirely disregarded. Hastein and the rulers of York and East Anglia had deceived him. A fleet from York and East Anglia now sailed through the Channel, split in two, and besieged both

Exeter and a burh on Devon's north coast, forcing Alfred to march across his entire kingdom to aid his burhs in the west. With Alfred gone, Hastein launched a raid into the eastern lands of Mercia. It fell to Alfred's son-in-law Æthelred to lead London's defences, but rather than confront Hastein directly, he turned the tables and went on the attack. While the bulk of the Vikings were raiding with Hastein, Benfleet was left with only a small garrison. Æthelred marched on the fortress, captured it, and burnt it to the ground. Hastein's ships were seized - some set ablaze,

others sailed back to London and added to Alfred's fleet. Hastein immediately turned back and built another fort at Shoebury, a safer distance from London. He was not finished. East Anglia and York sent reinforcements and ships. The allied fleet gathered at Shoebury, and Hastein cruised up the Thames. Once, it had been a Viking highway - the open road to the soft underbelly of the south. Now it was the most fortified river in Britain. From London to Cricklade, six burhs guarded its banks, and Æthelred collected troops from each of them, shadowing Hastein as he moved upstream.

As the river became too shallow, the Viking ships were carried across land and returned to water on the River Severn. Hastein sailed north for the frontier between Mercia and the Welsh kingdom of Powys. The English tracked him down at Buttington, where he had built a fortress in the borderlands from which he could strike east into Mercia or west into Powys. But Powys sent troops to support Æthelred, who now commanded a vast combined army of Mercians, West Saxons and Welshmen. The Mercian commander had no need to attack - he simply surrounded Buttington and waited. Several

weeks passed. Then the fortress gates burst open. Hastein charged out, his starving soldiers racing behind him, desperate to escape east. But Æthelred was prepared. The English and Welsh fell upon the invaders, and though the fighting was bloody and several English commanders fell, Hastein's ragged and exhausted men were overwhelmed. He and his survivors fled eastward to the safety of Essex. Meanwhile, the Viking forces of York and East Anglia had fared no better in the west - the burhs of Devon proved formidable, and after several months they too abandoned the fight and

returned to the sea. The war between Alfred and Hastein would drag on, but the invaders had been tamed. Hastein would be outdone time and again; Alfred's burhs were too strong and his army too well organised. He gave up in 896. His army parted - some settled in Essex and East Anglia, and only five ships returned with him to the continent. The campaign had been a remarkable success. Alfred's reforms were vindicated, the Mercians proved a steadfast ally, and the next generation had proven themselves - Edward at Farnham and Æthelred at Buttington both demonstrating great

skill as commanders. Alfred had been a sick man for his whole reign, now entering the twilight of his life, but he could take comfort in the knowledge that the English were in good hands. Alfred would die in 899, at the age of 50, having reigned for almost three decades. During this time, he defeated and converted Guthrum. Built fortresses. Built a fleet. Educated his subjects. Reformed the army. Expanded his kingdom's borders. And defeated Hastein.

He had saved Wessex. And he had truly earned the epithet "the Great." Our series on Viking Britain and Alfred's successors will continue in the coming weeks, If you don't want to miss that, make sure you are subscribed and have pressed the bell button to see it. Please consider liking, subscribing, commenting, and sharing - it helps immensely. Our patrons and YouTube members can watch more than 200+ exclusive videos - join their ranks via the link in the description or by pressing the join button under the video to watch these weekly videos, learn about our schedule, get early access to our videos, access our private Discord,

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