It was in the royal chateau, built by François 1er, was the site of the 1539 signing of the Villers-Cotterêts decree establishing the use of the French language in legal and administrative documents.
A major restoration project has restored the château to its former glory, and it now houses the Cité Internationale de la Langue Française.

• guided tour "Memories of a castle"to discover the château's history, architecture
  renaissance decor, its surroundings...
• Then free visit of the tour dedicated to the French languageits different forms of expression, both oral and written, its relationship with the world, its spread across different continents and its relationship with other languages.

Presented by Delphine Jeannot, Director of the Museums of Compiègne, this free tour is organized especially for Friends.
The Site d'Immersion Historique (SIH) "Connaître Compiègne!" is a new space devoted to the history of Compiègne and its region, with an introductory film and virtual visits to major sites via interactive stations.
Then, in the museum galleries, Delphine Jeannot will present the latest innovations and projects, including the future room dedicated to Mediterranean archaeology collections (scheduled to open for Nuit des Musées 2024).

- Guided tour of the Château de La Roche-Guyon and its park, a certified organic garden and Jardin Remarquable.
Set between the Seine and the limestone cliffs of the Vexin, this château will take you through centuries of history.
From its medieval keep to the German occupation during the Second World War, we'll discover its rich historical past, not forgetting the Potager-Fruitier created in the spirit of the Age of Enlightenment.

- Vétheuil. This small village on the banks of the Seine was a favorite haunt of the Impressionists, including Claude Monet, who lived here and painted many of his works. The American painter Joan Mitchell also lived in the village, hence the exhibition "Monet-Mitchell: dialogue de peintres" recently organized at the Fondation Louis Vuitton.
During our walk, we'll visit Notre-Dame church (12th-13th c.), which boasts two remarkable Renaissance portals.

- Guided tour of the Maison Jean-Jacques Rousseau in Montmorency. This small museum, labeled a Musée de France and Maison des Illustres, has retained the charm of the place where Rousseau lived.

- Autour du lac" guided tour in Enghien. On a walk from the Jardin des Roses to the Villa du Lac, we'll discover the history and architecture of the spa town.

- Guided tour of the Notre-Dame-des-Missions church in Epinay-sur-Seine. Formerly the Missions pavilion at the Paris Colonial Exhibition in 1931, the church in Epinay is considered a masterpiece of early 20th-century sacred art.