Magna Carta (1215)

By the early 13th century, King John had become deeply unpopular with the powerful barons of England. His heavy taxation, arbitrary use of royal power, and military failures in France led to a rebellion. In June 1215, the barons forced John to meet them at Runnymede, a meadow beside the River Thames, where he was compelled to seal Magna Carta.

Magna Carta — Latin for "Great Charter" — set out a series of rights and limits on royal authority. Although John quickly sought to have it annulled, it was reissued several times after his death and became a foundational document of English law.

The most significant principle of Magna Carta was that the king was subject to the rule of law — not above it. It established that no free man could be imprisoned, dispossessed, or harmed except by the lawful judgement of his peers or by the law of the land. This was a crucial limitation on arbitrary royal power.

Magna Carta also required the king to consult his barons before levying certain taxes, planting seeds of the idea that taxation required consent — a concept that would eventually develop into parliamentary government.

Magna Carta is widely regarded as the basis of many constitutional principles in England and beyond. It influenced the development of Parliament, the rule of law, and concepts of individual rights. Its principles echoed through later documents such as the Bill of Rights (1689) and inspired constitutional thinking in many other countries, including the United States.