What is the Devise for the Succession, and how did it trigger a Tudor crisis
In the summer of 1553, King Edward VI of England, just fifteen years old, lay dying. Suffering from tuberculosis, the young king spent the final weeks of his life working on a document meant to determine who would succeed him on the throne. According to HistoryExtra, that document — known as the 'Devise for the Succession' — triggered one of the most dramatic succession crises in English history.
Edward's motivation stemmed from religious conviction. He had been raised as a committed Protestant and was deeply concerned that his elder half-sister Mary, if she succeeded to the throne after their father Henry VIII's death, would return England to Catholicism. That fear drove him to take the radical step of attempting to rewrite the established order of succession.
The document itself defied standard English succession law. Henry VIII's 1544 Act of Succession had established that Mary, followed by Elizabeth, would succeed Edward. Edward's 'Devise' sought to disinherit both half-sisters entirely, leaving the throne instead to his Protestant cousin Lady Jane Grey — and her male heirs.
The legal validity of this change was highly dubious. A king had no authority to unilaterally alter the line of succession without parliamentary approval, and Edward's attempt to override his father's act rested on constitutionally shaky ground. Nonetheless, the dying young king managed to persuade his advisers and courtiers to sign the document.
Lady Jane Grey herself was a relatively passive figure at the center of the plan. The sixteen-year-old was a great-niece of Henry VIII and was known as a well-educated, committed Protestant. But historians note that her ambition to take the throne stemmed less from her own desires than from the political calculations of the powerful family and court circles around her.
Following Edward's death on July 6, 1553, Jane was formally proclaimed queen. But her reign lasted just nine days — which is why she's remembered in history as the 'Nine Days' Queen.' Mary quickly rallied support and marched on London, declaring herself the rightful and lawful heir; much of the public and nobility rallied to her side, defending traditional succession rights.
The end of Jane's brief reign was tragic. After Mary seized the throne, Jane was arrested along with her husband, Lord Guildford Dudley, and was ultimately executed in 1554 — a stark illustration of how brutal the consequences of the period's political and religious turmoil could be.
The episode lays bare just how deep the religious divide within the Tudor dynasty ran. Edward's effort to protect Protestant reforms failed in the short term; once Mary took the throne, she briefly returned England to Catholicism — a period remembered for the harsh religious persecution that earned her the epithet 'Bloody Mary.'
As HistoryExtra notes, the 'Devise for the Succession' is today considered one of the most significant handwritten documents in Tudor history — a tangible record of a moment when a king, even on his deathbed, tried to shape his country's future, only to see his plan collapse into the opposite outcome.
The episode's long-term legacy stands as a warning about just how fragile and contested succession rules could be in English constitutional history. Edward's document, however well-intentioned, is remembered as historical proof that a monarch's personal will could not simply override an established legal order.
Read next
On this day: Philippe Petit walks a tightrope between the Twin Towers (1974)
On August 7, 1974, French high-wire artist Philippe Petit walked across a wire he had illegally rigged between the recently completed Twin Towers of New York's World Trade Center. Performed roughly 400 meters above the street, the feat captivated the world and later became the subject of an Oscar-winning documentary.
How Britain smuggled its entire gold reserve to Canada during WWII
In 1940, fearing a Nazi invasion, Britain secretly shipped almost its entire gold reserve across the Atlantic to Canada in one of history's largest and least publicized financial evacuations. The operation was so closely guarded that only a handful of British officials even knew it was happening.
On this day: the World Wide Web is made publicly available (1991)
On August 6, 1991, British computer scientist Tim Berners-Lee posted a short summary of his World Wide Web project, developed at CERN, to a public internet newsgroup — the moment historians generally cite as the Web becoming publicly available. It transformed the internet from a tool for specialists into the connective tissue of modern life.
Why Did Medieval Women Choose to Be Walled In Alive in Spain?
In Astorga, Spain, a tiny stone cell wedged between two churches once housed medieval women who chose permanent enclosure as an extreme act of devotion. Historians call the practice anchoritism, documented across medieval Europe from the eleventh century onward. The cell survives as one of the few physically intact examples of a custom otherwise known mainly from written vows and church records.
Black Death in Switzerland: Why Young Laborers Suffered Most of All
New research on a seventeenth-century plague outbreak in Switzerland challenges the old idea that the Black Death struck rich and poor alike as a 'great leveller.' By cross-referencing parish and tax records, historians found the outbreak killed young, wage-earning laborers in disproportionate numbers. Researchers argue economic exposure, not chance alone, shaped who survived.