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Origin and history

The church of Sainte-Croix de Gannat, located in the Allier (Auvergne-Rhône-Alpes), finds its origins at the end of the 12th century with a first Romanesque construction, of which today the bedside and the choir remain. Originally dedicated to Saint Saturnin, it was probably linked to the castral motte of the Dukes of Bourbon, replaced in the 13th century by a castle around which the city developed. The dedication changed for Sainte-Croix after 1236, when Archambaud VIII granted a communal charter to the inhabitants, marking the rise of the surrounding neighborhood.

Gothic reconstruction began at the end of the 13th century, attested by a legacy in 1296 for "the building of Sainte-Croix". The large arches and lower sides date back to this period, while the nave and its vaults, later redesigned, incorporate elements from the 14th century (lightway, consoles). Chapels were added between the 14th and 16th centuries, such as that of the Virgin (1335) or the chapel Saint-Jean-Baptiste, raised in 1505 after ruins. The southern crusillon is replaced by the chapel of the Faulconnière, with a pentagonal bedside.

A collapse in 1652 destroyed part of the bedside and the walkway, leading to immediate reconstruction: the bell tower was replaced by a tower on the façade (1659), and the works were completed in 1665 for 14,500 pounds. In the 19th century, an organ stand was added (1880), before the classification of the building as a historic monument in 1910. The church thus retains traces of its transformations, from Romanesque foundations to Gothic and modern additions.

The archaeological and testamentary sources (such as those of Petronille in 1296 or Anne Prunier in 1559) shed light on its evolution, while recent studies (Vallery-Radot, Courtillé) highlight its central role in the urban history of Gannat. The lateral chapels, the sacristy (1641), and the reshaping of the vaults testify to a continuous adaptation to liturgical and community needs, from the Middle Ages to the contemporary era.

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