The Entente Cordiale: Britain, France and the love-hate story you've joined

That aeroplane at the top of the page is not a random bit of nostalgia. Concorde — designed in Bristol and Toulouse, flown by British and French crews, the only supersonic airliner the world ever really had — is the Entente Cordiale made metal: proof of what two old enemies can do when they decide, for once, to build rather than fight. So let's start with the fighting, because you can't understand the friendship without it.

It starts with Concorde — and with 1066

The rivalry is almost a founding fact of both nations. It begins in earnest in 1066, when a French-speaking duke from Normandy conquered England, stitched the two countries together at the crown, and set off centuries of competing claims. There followed the Hundred Years' War (Agincourt, Joan of Arc, the lot), the long imperial contest for the world's oceans and colonies, and the climax at Waterloo in 1815, where a British-led coalition finally ended Napoleon. For most of a thousand years, "the enemy" — les rosbifs on one side of the Channel, "the French" on the other — meant each other.

Which is what makes the twentieth-century turn so extraordinary. The two nations that had defined themselves against one another became, almost suddenly, indispensable friends.

What the Entente Cordiale actually was

The Entente Cordiale, signed on 8 April 1904, was not a grand romantic gesture and not, strictly, a military alliance. It was a bundle of hard-nosed diplomatic agreements settling the colonial quarrels that kept bringing the two empires to the brink — chiefly, Britain would have a free hand in Egypt and France in Morocco, with a dozen smaller disputes tidied up alongside. Its architect on the British side was as much a man as a memo: King Edward VII, whose charm-offensive visit to Paris in 1903 thawed decades of frost and made the agreement politically possible.

What made it historic wasn't the small print but the direction of travel. "Cordial understanding" turned two rivals into partners, and within a decade they were standing together in the First World War, and again in the Second. The 1904 pact is the hinge on which the whole modern relationship turns.

Frenemies, forever

None of this means the bickering stopped — and that, honestly, is the charm of it. The British and the French remain each other's favourite people to disagree with, trading affectionate insults (les rosbifs and "the frogs"), battling ferociously over eighty minutes of Six Nations rugby, and holding firm and opposite opinions on everything from how to run a health service to whether a queue is civilisation's greatest achievement. It's a rivalry that has curdled into something more like a very long marriage: exasperation and deep familiarity, and underneath it a fondness neither side quite admits to. The French flock to London (often called, only half-jokingly, one of France's biggest cities); the British buy up half of the Dordogne. We are, it turns out, rather stuck on each other.

The things we've built together

When the two do cooperate, the results have a habit of being spectacular. Four of the best, in plain English.

1969Concorde — the dream you can see on this page

The banner above is the point in a picture. Under a 1962 treaty, Britain and France built the world's only successful supersonic airliner together — designed in Bristol and Toulouse, flying in 1969, crossing the Atlantic in under three-and-a-half hours from 1976 until 2003. Even the name became a small entente in itself: Britain initially dropped the French ‘e’, then restored it, with minister Tony Benn declaring it stood for “Excellence, England, Europe and the Entente Cordiale.” Two nations that spent centuries at war built the most beautiful aeroplane ever made. That's the relationship in a nutshell.

1994The Channel Tunnel — literally joining up

In 1994, after two centuries of on-off proposals (Napoleon himself mulled one), Britain and France finished the thing that Waterloo would have made unthinkable: a tunnel physically joining the two countries under the sea. Thirty-odd miles of it, a Eurostar gliding London to Paris in little over two hours. For a British household in France, it's not symbolism — it's how the dog comes too.

AlliesStanding together — the wars and the treaties

The 1904 understanding was tested almost at once, and held: Britain and France fought as allies through both world wars, at appalling cost. The modern version is quieter but real — the 2010 Lancaster House treaties bind the two militaries unusually closely (shared expertise, even nuclear cooperation), and defence remains the strongest thread of all, only reinforced by the war in Ukraine.

EverydayLanguage, food and the daily borrowing

The oldest exchange is the one you speak. The Norman Conquest poured French into English until perhaps a third of our words have French roots — beef, government, fashion, rendezvous. It runs the other way too (the French borrow le weekend and le pudding). Add wine, cheese, Michelin and a shared obsession with the table, and the cultural entente needs no treaty at all.

Brexit — and the reset

It would be dishonest to pretend the last decade has been smooth. Brexit strained the relationship badly: rows over Channel fishing rights and the waters around Jersey, the bitter 2021 fallout when the AUKUS submarine pact cost France a huge Australian contract, and the grim, continuing tragedy of small-boat crossings and who is responsible for stopping them. For a few years the mood between London and Paris was frostier than at any time in living memory.

But the striking thing about the Entente Cordiale is how it keeps reasserting itself. In September 2023 King Charles III made a state visit to France, addressed the Senate partly in French, and called the relationship "indispensable." In April 2024 the two nations marked the pact's 120th anniversary with a ceremonial exchange of guards at Buckingham Palace. And in July 2025 President Macron made the first state visit to Britain by a European leader since Brexit, leaving with a headline migration agreement — a "one in, one out" returns pilot — and warm talk of an "entente industrielle" to build together again. The politics run hot and cold; the underlying bond keeps pulling the two back together.

You are the Entente Cordiale

Here's why any of this belongs in a guide for British households in France rather than a history book. That thousand-year relationship isn't an abstraction you read about — it's the air you now breathe. Every time a French neighbour adopts your family, every time you muddle through the mairie in imperfect French and are met with patience rather than a sigh, every Bastille Day you turn out for and every referendum on the "correct" way to eat cheese you lose gracefully, you are doing the actual work of the entente cordiale — the small, daily, human diplomacy that outlasts every political squall above it.

Governments will keep falling out and making up; that's the weather. You, settling in, learning the language, raising a glass with people your ancestors were once told to fear — you're the climate. A hundred and twenty years on, the cordial understanding is still, in the end, just two peoples deciding to get along. You're one of them now.

This is a friendly historical and cultural overview, not a scholarly history; dates and figures are current for 2026 and drawn from the public record, but diplomatic relations evolve quickly, and resident numbers are approximate. Read it for context and affection rather than as a citation — and then go and make a bit of entente cordiale of your own.