Second Barons' War

Second Barons' War. The Second Barons' War was a civil war in the Kingdom of England between the forces of King Henry III and a faction of reform-minded Barons led by Simon de Montfort. The conflict, lasting from 1264 to 1267, was primarily driven by baronial opposition to the king's perceived misgovernment and failure to uphold the Provisions of Oxford. Its conclusion, marked by the royalist victory at the Battle of Evesham and the subsequent Dictum of Kenilworth, reshaped the political landscape and influenced the development of parliamentary authority.

Background and causes

The roots of the conflict lay in the persistent dissatisfaction among the Barons of England with the rule of Henry III. The king's reliance on foreign favorites from Poitou and Savoy, costly and unsuccessful foreign policies like the Sicilian affair, and his perceived arbitrary exercise of power revived tensions that had been partially settled after the First Barons' War. The baronial reform movement, which had previously secured the Magna Carta, sought to impose permanent constitutional restraints on the monarchy. This discontent crystallized around the leadership of Simon de Montfort, who became the figurehead for demands to enforce the Provisions of Oxford, a set of radical reforms imposed on the king in 1258 that established a baronial council to control government.

Major battles and campaigns

The war erupted into open military conflict in 1264. The first major engagement was the Battle of Lewes on 14 May 1264, where the outnumbered baronial forces under Simon de Montfort achieved a stunning victory. They captured both King Henry III and his son, Lord Edward (the future Edward I). Following this, de Montfort effectively ruled England, summoning a famous parliament in 1265. However, Edward escaped captivity and rallied royalist forces. The war's decisive turning point came at the Battle of Evesham on 4 August 1265, where de Montfort's army was crushed, and he was killed and mutilated on the field. Residual resistance continued, notably with the Siege of Kenilworth in 1266, a prolonged standoff at Kenilworth Castle that ended with the issuance of the Dictum of Kenilworth.

The Provisions of Oxford and Westminster

The Provisions of Oxford, imposed in 1258, were the central constitutional document that sparked the crisis. They created a baronial council of fifteen to advise the king, appointed key officers like the Justiciar and Chancellor, and mandated the holding of parliaments three times a year. In 1259, these were supplemented by the Provisions of Westminster, which addressed specific grievances regarding local government and legal abuses. Henry III's repudiation of these provisions in 1261, with the support of a papal bull from Pope Alexander IV annulling them, directly led to the breakdown of government and the outbreak of hostilities, as the barons saw the king acting in bad faith.

Simon de Montfort and the rebel barons

Simon de Montfort, the Earl of Leicester, emerged as the charismatic and determined leader of the baronial opposition. Initially a close associate of Henry III and married to the king's sister, Eleanor, his relationship with the monarch deteriorated over political and financial disputes. His alliance with other powerful magnates like Gilbert de Clare, the Earl of Gloucester, was crucial. However, the baronial coalition was often fractious; Clare eventually defected to the royalist side before the Battle of Evesham. Other key supporters included de Montfort's sons, such as Henry de Montfort, and a segment of the Knights and burgesses who were represented in his 1265 parliament.

Aftermath and consequences

The war concluded with the royalist victory cemented by the Dictum of Kenilworth in 1266, which allowed rebels to recover their confiscated lands upon payment of fines proportional to their involvement. This pragmatic settlement, orchestrated by Cardinal Ottobuono, helped restore peace. The conflict had profound long-term consequences. While the monarchy of Edward I was strengthened, the precedent of baronial consultation established by the Provisions of Oxford and de Montfort's parliament of 1265, which included representatives from the Shires and Boroughs, endured. This model influenced the later development of the English Parliament, embedding the principle that major taxation and legislation required broader consent from the Realm.

Category:Barons' wars Category:1260s in England Category:Wars of succession involving the states and peoples of Europe Category:13th century in England