King John (1199–1216) lost Normandy and the Angevin heartlands to Philip II, taxed England to breaking point to win them back, saw the attempt die at Bouvines, and was forced by his barons to seal Magna Carta.
John's reign is the story of a great inheritance lost and a great document extracted. Within five years of his accession, Philip II of France had taken Normandy, Anjou, and the Angevin heartland; the murder of his captive nephew Arthur of Brittany, universally laid at John's door, cost him whatever legitimacy might have saved them.
A decade of ruthless taxation built the war chest for reconquest — and the coalition it paid for was destroyed at Bouvines in 1214. The barons rose, Magna Carta was sealed at Runnymede in June 1215, repudiated within months, and John died mid-civil-war with a French prince occupying London.
John was born at Oxford in 1166, the youngest of Henry II and Eleanor's eight children, nicknamed "Lackland" because the family lands were already spoken for. He was his father's favourite — it was the discovery of John's name among the 1189 conspirators that finished the old king.
His apprenticeship was inglorious: a 1185 expedition to rule Ireland that collapsed amid mockery of the local lords, and a treacherous bid for the crown while Richard sat in a German prison, bought off on the Lionheart's return with the famous verdict "he is a child". Richard nonetheless named him heir over their nephew Arthur, and in 1199 the Angevin establishment preferred the known man to the boy.
The monastic chroniclers who fixed John's reputation — Roger of Wendover and Matthew Paris above all, writing under his son — made him a monster of lechery, cruelty, and impiety, and the worst tales (the Interdict-era atrocities, the sneering at Mass) come from them at second hand. The administrative records his own government kept in unprecedented volume show something more unsettling: an intelligent, industrious, detail-obsessed king who travelled his realm constantly, heard lawsuits personally, and understood money better than any predecessor.
The flaw the records confirm is the one his contemporaries named: a suspicious, mocking meanness of spirit that could not keep faith or inspire it. He humiliated where Richard charmed, took hostages from the loyal, starved prisoners of rank — Arthur's fate, and the de Braose family's, were believed by the men who mattered — and so entered his great crisis with no reservoir of trust. Barons will forgive a tyrant who wins; John was a tyrant who lost.
The war with Philip II turned on Arthur. Captured at Mirebeau in 1202 in John's one brilliant stroke, the boy vanished in Rouen custody by Easter 1203, and the Breton and Norman baronage went over to Philip. Château Gaillard fell in March 1204; Rouen surrendered in June; three centuries of Norman connection ended in a single campaign season.
What followed was the most efficient extortion machine England had seen — scutages, reliefs, forest fines, the Interdict years (1208–1213) in which John simply pocketed the church's revenues — all banked for the great counterstroke. It came in 1214 as a two-front design: John from Poitou, his nephew Otto IV and the Flemish coalition from the north. La Roche-aux-Moines ended the southern arm in retreat, and on 27 July Philip destroyed the coalition at Bouvines. The money was spent, the prestige gone; civil war followed within the year, and the settlement forced on John at Runnymede in June 1215 — Magna Carta — was annulled at his request by the pope within ten weeks, reigniting the war it had paused.
The rebels offered the crown to Prince Louis of France, who entered London in June 1216 while John harried the country in a war of sieges and burnings. Crossing the tidal estuaries of the Wash in October, his baggage train — treasury, regalia, by tradition the crown jewels — was swallowed by the returning tide.
Already sick with dysentery, John died at Newark on the night of 18–19 October 1216 and was buried, by his own wish, before the shrine of St Wulfstan at Worcester. The regency of William Marshal reissued Magna Carta within a month, and the rebellion, deprived of its cause, expelled Louis by 1217.
Magna Carta outgrew its author beyond all recognition: a failed peace treaty between a cornered king and his barons became, through reissue and myth, the foundation stone of the rule of law in the English-speaking world. John's tyranny, not any intention of his, created the precedent that the king is under the law.
The territorial verdict was equally permanent. After 1204 the English crown was English in fact as well as name; the cross-Channel state of the Conqueror's heirs was gone, and the long attempt to reverse that verdict would eventually take the form of the Hundred Years' War.