William the Conqueror

• 1. Introduction

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  William the Conqueror was born around 1028 at Falaise, in the Duchy of Normandy, the illegitimate son of a duke and a woman whose father may have been a tanner or an embalmer. He died on the 9th of September 1087, while on campaign in northern France, his body bloated and broken, abandoned by his courtiers before it was even cold. Between those two facts lies one of the most unlikely careers in medieval history. A child whose guardians were murdered around him. A teenager who narrowly escaped capture in the dark. A duke who watched his own king turn against him, who then crossed the English Channel with a fleet of ships and within a single autumn afternoon destroyed an entire ruling order. The questions this story raises are not just about battles. They are about how a man forged from chaos and illegitimacy built enough power to remake a kingdom, what kind of ruler he actually was once the fighting stopped, and why his reign still generates argument among historians nearly a thousand years after his death.

• 2. A Childhood Under Siege

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  Robert I, Duke of Normandy, convened a council in January 1035 and made his Norman magnates swear fealty to his young son William before leaving on pilgrimage to Jerusalem. Robert never came back. He died at Nicaea on the return journey. William was either seven or eight years old when he became duke. The years that followed were genuinely dangerous. One guardian, Alan of Brittany, died in late 1039 or October 1040. His replacement, Gilbert of Brionne, was killed within months. Another guardian named Turchetil was also killed around the same time. Then Osbern, yet another protector, was murdered in William's own chamber while the child slept nearby. The historian Eleanor Searle speculates that William was raised alongside three cousins who would later become central to his career: William fitzOsbern, Roger de Beaumont, and Roger of Montgomery. One source, Orderic Vitalis, recorded that William's maternal uncle Walter was sometimes forced to hide the boy in the homes of peasants to keep him safe. Whether or not that specific detail is embellished, the broader picture is clear: the young duke's survival was genuinely uncertain. It was not until early 1047, when William was perhaps nineteen, that he and King Henry I of France rode together to the Battle of Val-es-Dunes near Caen and crushed a rebellion led by Guy of Burgundy. That victory did not end the fighting, but it marked the moment William began to govern rather than merely survive.

• 3. The Long Road to Power

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  Guy of Burgundy retreated to his castle at Brionne after Val-es-Dunes, and William besieged him until he succeeded in forcing him into exile in 1050. The decade that followed was filled with this kind of slow grinding pressure. William's marriage to Matilda of Flanders, arranged in 1049 but initially forbidden by Pope Leo IX at the Council of Rheims that October, gave him a powerful ally in one of the stronger territories in France. The marriage went ahead in the early 1050s, probably before formal papal sanction arrived. Contemporary writers regarded it as a success; it produced four sons and five or six daughters. In February 1054, the French king Henry I launched a double invasion of Normandy with the Count of Anjou. William split his own forces, leading one group himself and sending the other to face the second prong. That second group defeated the invaders at the Battle of Mortemer. Three years later, Henry and the count invaded again, and again William turned them back at the Battle of Varaville in 1057. When both Henry I and Geoffrey Martel died in 1060, the strategic landscape shifted decisively in William's favour. He had already secured the county of Maine by 1062 through a combination of betrothal politics and military force. By the time Harold Godwinson was crowned in London on the 6th of January 1066, William was no longer a duke scrambling to hold his duchy. He was a proven commander who had never lost Normandy despite facing attack from multiple directions at once. He had also spent the previous decade positioning himself as the rightful heir to the English throne, arguing that King Edward the Confessor had promised it to him and that Harold had personally sworn to uphold his claim.

• 4. Fourteen October 1066

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  Harold Godwinson had spent the summer of 1066 waiting for William. He kept his army and fleet along the English Channel through the heat of the season, but with the harvest approaching he disbanded his forces on the 8th of September. Two days later, Tostig Godwinson and Harald Hardrada landed in Northumbria. Harold marched north at extraordinary speed, covering roughly 200 miles at an average of about 27 miles per day, defeated the invaders, and killed both Tostig and Hardrada on the 25th of September at the Battle of Stamford Bridge. The Norman fleet had sailed two days earlier. It landed at Pevensey Bay on the 28th of September. William moved east to Hastings and built a base. He then waited, ravaging the surrounding countryside, keeping his line of retreat to Normandy open. Harold stopped in London for about a week before marching south again. William's scouts gave him advance warning of Harold's approach. The battle began at around 9 in the morning on the 14th of October 1066, on Senlac Hill in what is now called Battle, East Sussex, about six miles from Hastings. Harold's men formed a shield wall along the ridge and initially held it so effectively that William's forces were thrown back with heavy casualties. Some Breton troops fled in panic, drawing English soldiers in pursuit who were then cut down by Norman cavalry. Rumours swept the Norman lines that William himself was dead. He rallied his troops in person. Two further staged retreats drew more English soldiers out of position and exposed them to cavalry attack. By the end of the day Harold was dead. His mother Gytha Thorkelsdottir offered to pay the weight of her son's body in gold to have it returned. William refused.

• 5. Building a New England

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  William was crowned at Westminster Abbey on Christmas Day 1066, and within months he had ordered castles built across the country as instruments of control. Among them was the central keep of what became the Tower of London, the White Tower. The early fortifications were earth and timber; stone came later. These strongholds allowed Norman garrisons to hold territory even when surrounded by a hostile population. The redistribution of English land followed quickly. Families of Harold and his brothers lost their holdings. Over William's reign, after weathering repeated rebellions, virtually the entire native Anglo-Saxon aristocracy was displaced by Norman and other continental magnates. Not all of those Normans came from grand families; some were from relatively modest backgrounds. William also introduced forest law, reserving vast tracts for royal hunting. The medieval chronicler William of Malmesbury claimed the king seized and depopulated 36 parishes to create the New Forest, though modern historians regard that figure as a significant exaggeration. The landscape was mostly poor agricultural land and was likely already sparsely settled. In 1086, William ordered the compilation of the Domesday Book. The survey recorded landholdings across every English county south of the rivers Tees and Ribble, listing who held the land before the Conquest and who held it now, its value, its tax assessment, and the number of peasants, ploughs, and other resources attached to it. By the 1st of August 1086, the work was essentially complete, and at Salisbury all the chief magnates swore renewed oaths of allegiance to William over the results.

• 6. The Man Himself

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  No authentic portrait of William survives. The representations on the Bayeux Tapestry and on his seals and coins were formal images designed to project authority, not to capture a likeness. Written accounts describe a burly, physically robust man with a guttural voice. Geoffrey Martel, who spent years fighting against him, called him without equal as a fighter and horseman. An examination of William's femur, the only bone to survive when the rest of his remains were scattered, indicated he stood approximately five feet and ten inches tall. He was strong enough to draw bows that others could not pull, and he maintained excellent health until old age, when he became quite fat. Medieval writers consistently criticised his greed and his cruelty. His personal piety, however, was universally praised by his contemporaries. His marriage to Matilda appears to have been genuinely affectionate; there is no evidence that he was unfaithful to her, which contemporaries regarded as unusual for a medieval monarch. He tried to learn Old English late in life, according to Orderic Vitalis, but found he could not devote enough time to it and gave up. He was not known as a patron of literary or intellectual life, and the record of his formal education in the late 1030s and early 1040s is thin. His primary recreation was hunting. When Matilda died on the 2nd of November 1083, William was described as devastated. Her death came in a period already marked by his son Robert's renewed rebellion and persistent trouble in Maine.

• 7. Death and What Followed

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  In July 1087, William led a campaign into the French Vexin. While seizing the town of Mantes, he either fell ill or was injured by the pommel of his saddle. He was taken to the priory of Saint Gervase at Rouen. He died there on the 9th of September 1087. The accounts of his final days are contradictory. Orderic Vitalis preserved a long narrative complete with deathbed speeches, which historians regard as more a portrait of how a king ought to die than a record of what actually happened. The other surviving account has been identified as a reworking of two ninth-century texts with the names changed. What is more certain is the chaos that followed. Everyone present at his death left the body at Rouen and hurried off to secure their own interests. Eventually the clergy of Rouen arranged to have the body transported to Caen, where William had founded the Abbaye-aux-Hommes and wished to be buried. At the funeral, a citizen of Caen interrupted the ceremony, alleging that his family had been unlawfully dispossessed of the land on which the church stood. The allegation was found to be true and the man was paid. Then, when attendants lowered the body into the tomb, it was too large for the space. The corpse burst. William's grave has been disturbed repeatedly since. The tomb was opened in 1522 on papal orders and the intact body was reburied. In 1562, during the French Wars of Religion, the bones were scattered and lost, except for one thigh bone. That bone was reburied in 1642, the marker replaced a century later, the tomb destroyed again in the French Revolution, and eventually replaced with the marble ledger stone that marks the site today.

• 8. A Contested Legacy

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  The argument over what William's conquest meant began before he was even buried. William of Poitiers wrote admiringly of the reign and its benefits. The obituary in the Anglo-Saxon Chronicle condemned him in sharp terms. That disagreement has never fully resolved itself. The historian Richard Southern argued that the Norman Conquest was the single most radical change in European history between the fall of Rome and the twentieth century. H. G. Richardson and G. O. Sayles regarded the changes as considerably less dramatic. Eleanor Searle described the invasion itself as a plan that no ruler but a Scandinavian would have considered. What is not in dispute is the scale of the transformation. The English church was reorganised from the top down, with Norman clergy replacing virtually the entire Anglo-Saxon episcopate. A new Norman aristocracy took the land. The English language absorbed an enormous quantity of French vocabulary over the generations that followed. The close ties between England and Scandinavia, which had shaped English history for two centuries, were cut. William himself governed his domains as separate entities rather than as a unified empire. England kept its English administrative forms; Normandy kept its own; Maine kept its own. He crossed back and forth between the continent and England at least nineteen times between 1067 and his death. His son Robert inherited Normandy. His son William Rufus inherited England. Within two decades, the two territories were at war with each other, and Maine had revolted and broken free of Norman control entirely. The empire William had spent his life assembling began fragmenting the moment he died, and Normandy and England did not come fully back under one ruler until Henry, William's youngest son, captured Robert at the Battle of Tinchebray in 1106.