William the Conqueror, also known as William I of England, was the first Norman king to rule England. His reign from 1066 to 1087 marked a profound transformation of English society, language, and governance. Born around 1028 in Falaise, Normandy, he was the illegitimate son of Duke Robert I of Normandy and Herleva.
William’s claim to the English throne led to the Norman Conquest and the famous Battle of Hastings in 1066. His victory over Harold Godwinson fundamentally changed the course of English history, replacing the Anglo-Saxon aristocracy with a new Norman nobility.
He left behind a lasting legacy, including the Domesday Book and a network of castles. His death in 1087 and the succession of his sons shaped the future of the Anglo‑Norman realm for generations.
Who Was William the Conqueror? Biography and Early Life
Overview
| Full Name | William I of England (William the Conqueror) |
|---|---|
| Reign | 25 December 1066 – 9 September 1087 |
| Famous For | Norman Conquest of England, Battle of Hastings (1066) |
| Key Legacy | Domesday Book, Norman castle building, transformation of English society |
Key Insights
- William the Conqueror was the first Norman king of England, reigning from 1066 to 1087.
- His victory at the Battle of Hastings in 1066 fundamentally changed English language, culture, and governance.
- He commissioned the Domesday Book, a comprehensive survey of land and property in England.
- William died in 1087 at age 59 or 60 from injuries sustained during a military campaign.
- His reign marked the beginning of Norman rule in England, replacing the Anglo-Saxon aristocracy.
William the Conqueror: Key Facts at a Glance
| Detail | Information |
|---|---|
| Full Name | William I of England (William the Conqueror) |
| Born | c. 1028, Falaise, Normandy |
| Died | 9 September 1087, Rouen, Normandy |
| Reign | 25 December 1066 – 9 September 1087 |
| Father | Robert I, Duke of Normandy (Robert the Devil) |
| Mother | Herleva (also known as Arlette) |
| Successor | William II (William Rufus) |
| Predecessor | Harold Godwinson (Anglo-Saxon king) |
| Famous For | Norman Conquest of England, Battle of Hastings, Domesday Book |
William was born around 1028 in Falaise, Normandy, the illegitimate son of Duke Robert I and his mistress Herleva, a tanner’s daughter. He succeeded his father as Duke of Normandy in 1035 at age eight, after Robert died while returning from a pilgrimage to Jerusalem. His early reign was marked by instability and rebellion as young William struggled to assert control over his nobles.
What Was William the Conqueror Famous For? The Norman Conquest
The Claim to the English Throne
Following the death of Edward the Confessor in January 1066, William claimed the English throne based on a prior promise and an alleged oath of support from Harold Godwinson. Harold was crowned king instead, prompting William to prepare an invasion. He landed unopposed at Pevensey on September 28, 1066, and raised fortifications near Hastings.
The Battle of Hastings
On October 14, 1066, William decisively defeated Harold II at the Battle of Hastings. Harold was struck by an arrow and then cut down by a mounted knight’s sword. His two brothers also died in the battle. William was crowned King of England on Christmas Day 1066 in Westminster Abbey, as recorded by the Royal Family website.
The Norman Conquest was not completed in a single day. William spent years suppressing English revolts, systematically removing Anglo-Saxon lands and riches to settle a new Norman nobility. He built castles, including the Tower of London, and transformed the English clergy. By 1075, his hold on England was secure enough that he could spend most of his later reign in continental Europe.
The Domesday Book (1086)
In 1086, William commissioned the Domesday survey to resolve ignorance over land holdings and address defense costs. The resulting two-volume Domesday Book was remarkable for its scope, speed, and efficiency. It remains one of the most important historical records of medieval England.
For further reading on the invasion and its reasons, see Britannica’s entry on William I and Heritage Calling’s article on why he invaded.
How Did William the Conqueror Die and Who Succeeded Him?
Death and Circumstances
William died on September 9, 1087, while leading a campaign in northern France. He was buried in Caen. The exact cause of his death is debated; some sources say he died from injuries sustained falling from a horse, others from illness. He was around 59 or 60 years old.
Division of the Anglo-Norman State
Before his death, William divided his Anglo-Norman state among his sons, despite their bitter differences. Robert Curthose, the eldest, received the Duchy of Normandy. William Rufus succeeded as King of England. Henry I, the third son, received 5,000 pounds of silver.
William’s wife, Matilda of Flanders, married him around 1050. Together they co‑founded abbeys in Caen. Their daughter Adela married Stephen, Count of Blois, linking the Conqueror’s line to later English royalty. The full details of his maternal lineage have some gaps, but his father, Robert I, is well documented as Duke of Normandy.
Succession
William was succeeded as King of England by his second son, William II (William Rufus), who reigned from 1087 to 1100. After William II’s death, the third son, Henry I, became king (1100–1135). The eldest son, Robert Curthose, remained Duke of Normandy and even wounded his father in battle in 1079.
Was William the Conqueror a Good King? Evaluating His Legacy
Historians have mixed views on William’s kingship. He was a strong, effective ruler who centralized power, commissioned the Domesday Book, and introduced feudalism to England on a large scale. His rule also brought Norman influence to English language, law, and architecture. However, his reign was marked by brutal suppression, particularly the Harrying of the North, and the imposition of Norman rule over the Anglo-Saxon population.
The Norman Conquest involved significant destruction and displacement. William’s campaigns in northern England left vast areas depopulated and impoverished. While he established a more centralized administration, the cost in human suffering was enormous.
The Domesday Book remains an extraordinary administrative achievement, providing a wealth of data about medieval English society. William’s castle-building program, including the Tower of London, reshaped the country’s landscape. His reign set the stage for the development of a unified English kingdom under Norman rule, a legacy that persisted for centuries.
What Were the Key Events in William the Conqueror’s Life?
- c. 1028: Born in Falaise, Normandy, illegitimate son of Duke Robert I.
- 1035: Succeeded his father as Duke of Normandy at age 7.
- 1047: Battle of Val‑ès‑Dunes; secured his hold on Normandy.
- 1066: Invaded England, defeated Harold Godwinson at the Battle of Hastings (14 October).
- 1066: Crowned King of England on Christmas Day (25 December).
- 1085‑1086: Commissioned the Domesday Book, a survey of land and resources.
- 1087: Died 9 September in Rouen, Normandy, from injuries sustained during a campaign.
What Do We Know and What Remains Uncertain About William the Conqueror?
| Established Information | Information That Remains Unclear |
|---|---|
| William was the illegitimate son of Robert I, Duke of Normandy. | The exact cause of his death is debated; some sources say he died from injuries sustained falling from a horse, others from illness. |
| He defeated Harold Godwinson at the Battle of Hastings in 1066. | His exact birth year is not definitively recorded (c. 1028 is the most accepted estimate). |
| He was crowned King of England on 25 December 1066. | The full details of his family tree, especially maternal lineage, have some gaps. |
| He commissioned the Domesday Book in 1085‑1086. | |
| He died on 9 September 1087 in Rouen, Normandy. |
What Was the Historical Context of William the Conqueror’s Reign?
The Norman Conquest was a pivotal event that reshaped English language, law, and architecture. William’s rule introduced feudalism to England on a large scale, replacing the Anglo-Saxon system. The Domesday Book remains one of the most important medieval administrative records. William’s reign was marked by both consolidation of power and significant rebellion, such as the Harrying of the North. His legacy is complex: he is credited with modernizing England but also with brutal suppression.
For more on the lasting impact, see BBC History’s profile of William the Conqueror and the Bayeux Museum’s background on William.
What Do Key Sources Say About William the Conqueror?
“William the Conqueror was king of England from 1066 until his death in 1087. He made himself the mightiest noble in France and then seized the English throne.”
Britannica
“William invaded England, leading a Franco-Norman army to victory over the Anglo-Saxon forces of Harold Godwinson at the Battle of Hastings.”
“William I, also known as William the Conqueror, was the first Norman king of England, who reigned from 1066 to 1087 following the Battle of Hastings.”
Heritage Calling
What Happened After William the Conqueror?
William was succeeded by his son William II (William Rufus) in 1087. The Norman dynasty continued with Henry I after William II’s death in 1100. The Domesday Book remained a key administrative tool for centuries. Norman influence on English language and culture persisted for generations, shaping the medieval kingdom and beyond. For a deeper look at the conquest itself, see The Norman Conquest and the Battle of Hastings (1066) and the lasting record of The Domesday Book (1086).
Frequently Asked Questions About William the Conqueror
Was William the Conqueror a good king?
Historians have mixed views. He was a strong, effective ruler who centralized power and commissioned the Domesday Book, but his reign was also marked by brutal suppression, including the Harrying of the North, and the imposition of Norman rule over the Anglo-Saxon population.
How old was William the Conqueror when he died?
William the Conqueror died on 9 September 1087 at approximately 59 years old. He was born around 1028.
Who was king before William the Conqueror?
Harold Godwinson was the last Anglo-Saxon king of England before William. Harold was defeated and killed at the Battle of Hastings in 1066.
What is the Domesday Book?
The Domesday Book was a comprehensive survey of land and property in England commissioned by William in 1085‑1086. It was used for tax assessment and administrative purposes.
Why did William the Conqueror invade England in 1066?
William claimed the English throne based on a promise from Edward the Confessor and an alleged oath from Harold Godwinson. When Harold crowned himself king, William prepared an invasion to enforce his claim.
Who was Harold Godwinson?
Harold Godwinson was the last Anglo-Saxon king of England, ruling from January to October 1066. He was defeated and killed at the Battle of Hastings by William’s forces.
What was the Norman Conquest?
The Norman Conquest was the invasion and occupation of England by William the Conqueror’s Franco-Norman army in 1066. It led to the replacement of the Anglo-Saxon ruling class with Norman nobility and permanent changes to English society.
Who succeeded William the Conqueror?
William was succeeded by his second son, William Rufus, who became King William II of England. The eldest son, Robert Curthose, received the Duchy of Normandy.
What is William the Conqueror’s family tree?
William’s father was Duke Robert I of Normandy, and his mother was Herleva. He married Matilda of Flanders, and they had several children, including Robert Curthose, William II, Henry I, and Adela.
Where is William the Conqueror buried?
William the Conqueror was buried in Caen, Normandy, following his death on 9 September 1087.
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Jonathan Ellery is Editor-in-Chief at BritainNow.uk, overseeing editorial policy, corrections, standards, and publication decisions.