This man made a power play while his brother was away on the Third Crusade and later faced opposition from barons who met with him at Runnymede to form an agreement limiting his power.
Before taking the throne, this man's quarrel with chancellor William Longchamp was resolved by the Archbishop of Rouen. He was opposed by the "Army of God" led by Robert Fitzwalter. This king's opposition to the appointment of Stephen Langton as Archbishop of Canterbury led to his excommunication by Innocent III. He failed to reclaim Normandy from France after his allies lost to Philip Augustus at the battle of Bouvines. This man made a power play while his brother was away on the Third Crusade and later faced opposition from barons who met with him at Runnymede to form an agreement limiting his power. For 10 points, name this youngest brother of Richard I who was forced to agree to the Magna Carta in 1215.
Before taking the throne, this man's quarrel with chancellor William Longchamp was resolved by the Archbishop of Rouen.
King John [accept John Lackland]