The Louvre in 12 Facts You'll Actually Remember

The Louvre is the most visited museum on the planet, and most of what people know about it stops at 'it has the Mona Lisa and a glass pyramid'. The real story is stranger: a defensive fortress that became a royal palace, a palace that became a museum almost by revolutionary accident, and a painting that only became world-famous because someone stole it. Here are twelve facts worth actually keeping.

1. It began life as a fortress, not a palace

The Louvre's earliest incarnation, built around the end of the twelfth century under King Philip II, was a defensive fortress on the western edge of Paris, designed to guard the city against attack from the river and beyond, not to display anything. Its thick walls and moat had nothing to do with art; they had everything to do with keeping Paris safe. You can still see the foundations of this original fortress in the museum's lower level today, a genuinely strange thing to walk past on your way to see a Vermeer.

2. It only became a royal residence later

As Paris grew and the fortress's defensive role became less urgent, French kings gradually converted the site into a royal residence, a process that stretched across centuries and multiple monarchs. By the time Francis I ordered much of the medieval fortress demolished in the sixteenth century to build a proper Renaissance palace, the Louvre's identity as a defensive structure was essentially over, and its identity as a seat of royal display and, eventually, royal art collecting, had begun.

3. The museum opened during the Revolution

The Louvre opened to the public as a museum in 1793, during the French Revolution, when the new government decided the royal art collection, previously enjoyed by monarchs and their court, should belong to the nation instead. That decision, turning a symbol of royal privilege into a public institution, is part of why the Louvre's founding is as political as it is artistic.

4. Napoleon briefly renamed it after himself

During his rule, Napoleon Bonaparte had the museum renamed the Musée Napoléon, and used military campaigns across Europe to bring a considerable amount of looted art back to Paris to fill it. Much of that art was returned to its countries of origin after Napoleon's defeat, though a number of restitution disputes connected to this period have never fully been resolved, and continue to surface in modern debates about museum collections.

5. The glass pyramid was deeply controversial

When architect I. M. Pei's glass pyramid entrance was proposed in the 1980s, as part of a major renovation commissioned by President François Mitterrand, a large part of Paris hated the idea. Critics called it an ugly, alien intrusion on a historic palace, and public opinion polling at the time showed real hostility to the design before it was built. Opinion shifted substantially once the pyramid actually opened in 1989, and it is now one of the most photographed structures in the city, which is either a lesson about architectural controversy or a lesson about how quickly people get used to things.

6. The pyramid is not actually the museum's main practical entrance for everyone

The pyramid gets the photographs, but the Louvre also has entrances through the Carrousel du Louvre underground shopping complex and directly from certain metro connections, partly because a single street-level entrance could never handle the museum's visitor numbers. Anyone who has queued at the pyramid on a August afternoon has learned this fact the hard way.

7. The Mona Lisa was not always this famous

Before 1911, the Mona Lisa was respected among connoisseurs and art historians but nowhere near the global icon it is today. That changed abruptly when the painting was stolen from the Louvre in August 1911 by Vincenzo Peruggia, an Italian handyman who had worked at the museum and reportedly believed the painting belonged in Italy. The theft made international headlines, the empty space where the painting had hung became a tourist attraction in its own right, and by the time the painting was recovered in Italy in 1913, it had become one of the most famous images in the world. In a very real sense, a crime, not the painting's qualities alone, built the Mona Lisa's modern fame.

8. It took over two years to find the thief

Peruggia kept the painting hidden in his Paris apartment for about two years before attempting to sell it to a gallery in Florence, at which point he was caught. Pablo Picasso and the poet Guillaume Apollinaire were both briefly, and wrongly, questioned by police in connection with the theft, an odd historical footnote that says as much about the panic the theft caused as it does about either man.

9. The museum is enormous, and no one sees all of it

The Louvre's collection runs into the hundreds of thousands of objects, though only a fraction is on public display at any given time, the rest held in storage or on loan. Even a determined visitor spending a full day inside will see a small percentage of what is actually on the walls, let alone what sits in the archives.

10. It holds far more than paintings

Alongside its famous paintings, the Louvre houses extensive collections of Egyptian antiquities, Mesopotamian artefacts, Islamic art, and classical sculpture, including the Venus de Milo, which arguably rivals the Mona Lisa for name recognition despite belonging to an entirely different department of the museum. The building's own architecture, spanning medieval foundations to Pei's modern glass, is arguably one of the exhibits.

11. There are now Louvre outposts beyond Paris

The Louvre brand has expanded beyond the original building: the Louvre-Lens opened in northern France in 2012 as a satellite site displaying works from the main collection, and the Louvre Abu Dhabi opened in 2017 under a licensing agreement that allowed the use of the Louvre name outside France. Both were, in their own ways, as controversial in planning as the glass pyramid had been decades earlier.

12. It closes on Tuesdays, and almost everyone forgets

The Louvre is closed to the public every Tuesday, a detail that trips up an enormous number of travellers who assume, reasonably enough, that the world's most visited museum must be open every day. It is a small fact, but it has ruined more than one carefully planned Parisian itinerary.

The pattern running through most of these facts is that the Louvre's fame rarely comes from calm, planned decisions. A fortress became a palace because a city outgrew its defences. A palace became a museum because a revolution needed a symbol. A painting became the most famous artwork on earth because someone stole it. Even the pyramid, now beloved, was born out of a fight nobody expected the architect to win. If you want a longer look at how to actually look at paintings once you're inside a museum like this one, see how to read a painting, and if the Dutch Golden Age masters interest you more than French royal history, our Rembrandt's Shadow collection covers exactly that ground.

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Twelve facts will not make you an art historian, but they will make you a considerably better dinner party guest on your next trip to Paris, and they might make you look at that glass pyramid a little differently next time you're queueing under it.