Revolt of 1173–74

Date	17 October 1173
Location	England, Normandy, Southern Scotland, Brittany, Flanders
Result	Royalist victory. Rebels reconciled to rule of Henry II. William the Lion signs Treaty of Falaise.
Territorial changes	Henry II maintains hold on his territories. Several Scottish castles, including Berwick and Edinburgh, transferred to Henry II.

Belligerents

English royalists

English rebels

Commanders and leaders

King Henry II

Richard de Luci

Ranulf de Glanvill

Eleanor of Aquitaine (wife of Henry II) (POW)

Henry the Young King (son of Henry II)

Richard I (son of Henry II)

Geoffrey II (son of Henry II)

Robert de Beaumont (POW)

Hugh Bigod

David, Earl of Huntingdon

William de Ferrers (POW)

Hugh de Kevelioc (POW)

William the Lion (POW)

Louis VII

Philip I

Matthew, Count of Boulogne †

The Revolt of 1173–74 was a rebellion against King Henry II of England by three of his sons, his wife Eleanor of Aquitaine, and their rebel supporters. The revolt ended in failure after eighteen months; Henry's rebellious family members had to resign themselves to his continuing rule and were reconciled to him.

King Henry II ruled England, Normandy, and Anjou, while his wife Queen Eleanor ruled the vast territory of Aquitaine. In 1173 Henry had four legitimate sons (from oldest to youngest): Henry, called the "Young King", Richard (later called "the Lionheart"), Geoffrey, and John "Lackland", all of whom stood to inherit some or all of these possessions. Henry also had an illegitimate son named Geoffrey, born probably before the eldest of the legitimate children.

Henry "the Young King" was 18 years old in 1173 and praised for his good looks and charm. He had been married for a long time to the daughter of Louis VII, the King of France and Eleanor's ex-husband. Henry the Young King kept a large and glamorous retinue but was constrained by his lack of resources: "he had many knights but he had no means to give rewards and gifts to the knights". The young Henry was therefore anxious to take control of some of his ancestral inheritances to rule in his own right.

The immediate practical cause of the rebellion was Henry's decision to bequeath three castles, which were within the realm of the Young King's inheritance, to his youngest son, John, as part of the arrangements for John's marriage to the daughter of the Count of Maurienne. At this, Henry the Young King was encouraged to rebel by many aristocrats who saw potential profit and gain in a power transition. His mother Eleanor had been feuding with her husband, and she joined the cause as did many others upset by Henry's possible involvement in the murder of Archbishop Thomas Becket in 1170, which had left Henry alienated throughout Christendom.

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