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Heritage classified

Key figures

Origin and history

The Priory Saint-Lô, founded in the heart of Rouen on the remains of Gallo-Roman baths, was first a church dedicated to the Saint-Sauveur and the Trinity. Ceded in 913 by Rollon to the Canons of Coutances, it temporarily became the Cathedral of Saint-Lô (until 1050) after having welcomed there the relics of Saint Lô and Saint Romphaire during the Norman invasions. In 1143/1144 Algare, bishop of Coutances, made him a priory of regular canons. The church, divided between priories and parishioners, experienced major conflicts and reconstructions, notably after a fire in 1316 and the damage to the siege of 1418-1419.

In the 15th century, the church was completely rebuilt and consecrated in 1455 by Archbishop William d'Estouteville, before being looted by the Huguenots in 1562. The priory, reformed in 1639 to accommodate the Genovéfains, was abolished in 1791 during the Revolution. Transformed into a prison, then into a saltpeter factory, the church collapsed in 1798. The site will later house a normal school (1829) before becoming the Camille-Saint-Saëns High School. Today, only the Gothic gate remains, classified as a historic monument in 1926, a silent witness to this turbulent past.

The portal, a remarkable architectural element, embodies the successive transformations of the site: Gallo-Roman foundations, medieval reconstructions, and revolutionary destructions. Its gothic style reflects the prosperity of the priory in the 15th century, a period full of charm under the impetus of Guillaume d'Estouteville. Archaeological excavations (1966, 1991-1993) confirmed the ancient occupation of the site, revealing Roman baths under medieval foundations. The leopard and the lily flowers of the priory's weapons, symbols of ecclesiastical and royal power, recall its importance in the Normandy ducale then French.

Among the notable events, the priory will house in 1580 the first Chamber of Accounts of Normandy, established by Henry III. The conflicts between religious and parishioners (separation wall in 1344), the reconstructions after disasters (fouling in 1316, siege of 1418), and the secular post-revolutionary uses (prison, factory) illustrate its central role in the life of the Wheels. The burials of personalities, such as the painter John I Restout (1702) or Bishop Gilbert de Rouen († before 990), highlight his anchor in local history.

Today integrated into Camille-Saint-Saëns High School, the portal is the last visible vestige of a monumental ensemble that has disappeared. Its ranking in 1926 allowed its preservation, offering a rare example of medieval religious architecture in Rouen. Historical sources, including the works of François Farin (1731) and modern excavations, document his evolution, from Roman times to the Revolution, through his Gothic golden age.

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