King John renounces the Magna Carta, leading to tensions and the outbreak of the First Barons' War.
Rebellion by English barons against King John's rule, seeking to enforce the Magna Carta and limit royal authority.
A key event during the First Barons' War where rebel barons and their supporters defend Rochester Castle against King John's forces.
King John dies suddenly, leading to the ascension of his son Henry III and changing the course of the conflict.