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Stop Fine-Tuning Models You Don’t Need
Fine-tuning sounds like the answer until you factor in the cost, the data pipeline, and the six months before a bigger model makes yours obsolete. Most of the time, prompt engineering or better context gets you there. But sometimes it doesn't — and that's where things get interesting.
In this free night session, Aaron Gallant covers the real tradeoffs behind fine-tuning LLMs, from synthesizing training data with frontier models to running PEFT and QLoRA on constrained hardware. You'll learn when smaller, specialized models actually beat throwing money at a bigger one — and why data curation is the work nobody wants to talk about. Built for engineers who want to make the right call, not just the cool one.
Live and remote. Wednesday, June 3 at 5 PM CT. Register now.
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—— ON THIS DAY ——
JUNE 15, 1215
Runnymede, Surrey, England
810 years ago
The Magna Carta — one of the four surviving original copies of the 1215 document, now held at the British Library. The document established for the first time that the king was subject to the rule of law.
On June 15, 1215, King John of England met with a group of rebellious barons in a meadow called Runnymede, beside the River Thames between Windsor and Staines. Under duress, he attached his great seal to a document that the barons had drafted — the document now known as the Magna Carta, or 'Great Charter.' He did not sign it: King John was almost certainly illiterate, as was normal for medieval kings, who governed through clerks. The seal was sufficient. Copies were made, distributed to the counties of England, and read aloud.
The document that King John sealed was a practical list of feudal grievances, not a philosophical statement of universal rights. Its sixty-three clauses addressed specific complaints: the king's abuse of feudal obligations, arbitrary imprisonment without trial, the obstruction of access to justice, the seizure of property without due process. Clause 39 — the foundation of habeas corpus — stated that no free man could be imprisoned 'except by the lawful judgment of his equals or by the law of the land.' In 1215, 'free man' meant noble. It was reinterpreted over the following centuries to mean everyone.
—— MARQUEE EVENT ——
King John of England — the king who sealed the Magna Carta at Runnymede in 1215 under duress from his barons, then immediately appealed to Pope Innocent III to annul it. The Pope did so. The barons invited the French to invade.
The immediate history of Magna Carta was a failure. John appealed to Pope Innocent III, who annulled the document in August 1215, calling it 'shameful, demeaning, illegal and unjust.' The barons responded by inviting Louis of France to invade and take the English throne. John died in October 1216, of dysentery, in the middle of the war. His nine-year-old son Henry III was crowned, and the regency government reissued the Magna Carta — significantly revised — as a political tool to win the barons' loyalty. The revised versions of 1216, 1217, and 1225 gradually became the standard form.
The Magna Carta's subsequent transformation from a feudal document into a symbol of constitutional liberty was the work of lawyers and parliamentarians, primarily in the seventeenth century, who used it as a precedent against royal absolutism. Sir Edward Coke, the great common law judge of the early seventeenth century, cited Magna Carta repeatedly in his arguments against James I and Charles I. The English Civil War, the Glorious Revolution of 1688, and the establishment of parliamentary sovereignty all drew on Magna Carta as constitutional authority. The document that John annulled in August 1215 became the foundation of the British Constitution.
Four original copies of the 1215 Magna Carta survive: two in the British Library, one in Salisbury Cathedral, and one in Lincoln Cathedral. They are among the most valuable documents in the world. The US Constitution and the Universal Declaration of Human Rights both explicitly draw on the principles of Magna Carta. In 2015, the document's 800th anniversary was celebrated with a ceremony at Runnymede. In 2023, the British Library valued the two copies it holds at an estimated £30 million each.
—— WHY THIS MATTERS ——
Magna Carta established the principle that the king was subject to the law — the foundational concept of constitutional government. The idea that even the most powerful person in the state cannot imprison or punish arbitrarily, without legal process, was not invented by Magna Carta — but Magna Carta gave it a written, authoritative form that could be invoked as precedent. Everything from habeas corpus to due process traces its lineage to this document.
The document's reinterpretation over eight centuries is a case study in how founding texts gain meaning beyond their original intent. The men who sealed Magna Carta in 1215 were concerned with feudal obligations and baronial rights; they were not interested in the rights of common people. The document was reread, cited, and argued over until it became the foundation of rights its authors never imagined. The gap between original intent and constitutional meaning is as old as constitutionalism itself.
Only three of Magna Carta's sixty-three original clauses remain part of English law. The rest have been repealed as obsolete. The three that remain — on the freedom of the English Church, the liberties of the City of London, and the right to due process — are among the most important provisions in any legal system. The document that was immediately annulled and repeatedly revised is still, in its most important provisions, the law.
—— THE TAKEAWAY ——
On June 15, 1215, a king sealed a document he didn't want to seal and immediately had it annulled. Eight hundred and ten years later, it is cited in every constitutional democracy on Earth. The original text was about feudal grievances. What it became was the idea that power is subject to law.
—— QUOTE OF THE DAY ——
"No free man shall be seized, imprisoned, dispossessed, outlawed, exiled, or in any way destroyed, nor will we proceed against or prosecute him, except by the lawful judgment of his peers or by the law of the land."
— Magna Carta, Clause 39, June 15, 1215
—— OUR QUIZ OF THE DAY ——
How much do you know about Magna Carta's immediate political failure, the subsequent reissues that gave it lasting authority, its role in the English Civil War and American constitutional thought, and the three clauses that remain English law today?
