On June 15, 1215, the Magna Carta was drafted by Archbishop of Canterbury Stephen Langton to resolve conflict between King John of England and a group of rebel barons. It promised protection of church rights, safeguards against unlawful imprisonment, access to swift justice, and limitations on feudal payments to the Crown, enforced through a council of 25 barons. Though annulled within months, revised versions were reissued and became foundational to English constitutional law.