Rooms & spaces ·
Room of the Immaculate Conception
A nineteenth-century room celebrating a papal proclamation through painting and a multilingual bookcase.

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The painted ceremony belongs to a specific event in the Church’s history. In 1854, Pope Pius IX proclaimed the dogma of the Immaculate Conception, the Catholic belief concerning Mary’s freedom from original sin. He commissioned this room’s decoration to commemorate the proclamation.
Painter Francesco Podesti and his team worked here from 1856 to 1865. The programme surrounds the event with heavenly figures, allegories of the continents and scenes associated with St Peter’s Basilica. The patron, Pius IX, appears within the history he had asked the artist to paint.
The large bookcase adds another way of commemorating the same declaration. It was made by the Paris firm Christofle in the 1870s to hold translations of the papal document, Ineffabilis Deus. Designer Emile Reiber brought together the work of many different craftspeople. Compare the object’s role with the paintings. The walls present the proclamation as a ceremony, while the bookcase preserves its words in different languages.
Photo gallery 1
Image credits
- Fabrizio Garrisi · Statua di Nettuno, tipo Laterano. Museo Gregoriano Profano -FG2.jpg · CC BY-SA 4.0 · WebP / AVIF
- Miguel Hermoso Cuesta · Museo Pio-Cristiano sarcófago. 01.JPG · CC BY-SA 3.0 · WebP / AVIF
- Miguel Hermoso Cuesta · Bernini cabeza para la Cathedra Petri. 02.JPG · CC BY-SA 3.0 · WebP / AVIF
- Livioandronico2013 · Apollo del Belvedere.jpg · CC BY-SA 4.0 · WebP / AVIF
- xiquinhosilva · 11859 - Vatican - Pius-Clementine Museum (3482088081).jpg · CC BY 2.0 · WebP / AVIF
- Sailko · Vincent van gogh, pietà, 1890 ca..JPG (detail) · CC BY-SA 3.0 · WebP / AVIF
- Deb Nystrom · Courtyard, Vatican Museum (45510285915).jpg · CC BY 2.0 · WebP / AVIF
- Fabrizio Garrisi · 015- Galleria degli arazzi, Musei Vaticani -FG.jpg · CC BY-SA 4.0 · WebP / AVIF
- Alvesgaspar · Galleria delle carte geografiche (Vatican Museums) September 2015-5.jpg · CC BY-SA 4.0 · WebP / AVIF
- Gracchus Tiberius · Hall of Constantine Raphael rooms Vatican Museums.jpg · CC BY 4.0 · WebP / AVIF
- 0ro1 · 8 Estancia de Heliodoro (Vista general I).jpg · CC BY-SA 3.0 · WebP / AVIF
- sailko · Appartamento borgia, 02.JPG · CC BY-SA 3.0 · WebP / AVIF
- Poiesia · Gold cross with geometric decoration, 7th–8th century. Christian Museum, Vatican Museums.jpg · CC BY-SA 4.0 · WebP / AVIF
- Deb Nystrom · Courtyard, Vatican Museum (45510285915).jpg (detail) · CC BY 2.0 · WebP / AVIF
- Miguel Hermoso Cuesta · Museo Pio-Cristiano sarcófago. 01.JPG (detail) · CC BY-SA 3.0 · WebP / AVIF
- Miguel Hermoso Cuesta · Museo Pio-Cristiano sarcófago. 01.JPG (detail) · CC BY-SA 3.0 · WebP / AVIF
- Diliff · Vatican Museum Queue - April 2007.jpg (detail) · CC BY-SA 3.0 · WebP / AVIF
- Diliff · Vatican Museum Queue - April 2007.jpg · CC BY-SA 3.0 · WebP / AVIF
- Peter H. Feist · ROM - VATICAN - Giardino Quadrato - 89 - 063.24.jpg (detail) · CC BY-SA 4.0 · WebP / AVIF
- Diego Delso · Museos Vaticanos, Ciudad del Vaticano, 2022-09-14, DD 50-52 HDR.jpg · CC BY-SA 4.0 · WebP / AVIF
- Joseolgon · Sarcophagus of Helena.jpg · CC BY 4.0 · WebP / AVIF
- Sailko · Gold pectoral, Regolini-Galassi Tomb. Resized photograph. · CC BY 3.0 · WebP / AVIF
- Diego Delso · Ceiling of the Room of the Liberal Arts, Borgia Apartment. Resized and recompressed. · CC BY-SA 4.0 · WebP / AVIF
- Sailko · Disputation of Saint Catherine and ceiling decoration, Room of the Saints, Borgia Apartment. Resized and recompressed. · CC BY 3.0 · WebP / AVIF
- Sailko · Resurrection with Alexander VI, Room of Mysteries, Borgia Apartment. Resized and recompressed. · CC BY 3.0 · WebP / AVIF
- Sailko · Vincent van gogh, pietà, 1890 ca..JPG (detail) · CC BY-SA 3.0 · WebP / AVIF
- Sailko · Vincent van gogh, pietà, 1890 ca..JPG (detail) · CC BY-SA 3.0 · WebP / AVIF