Cathédrale Saint-Pierre: rebuilt in concrete after a fire, only to watch its own tower crumble in the North Atlantic climate

At Saint-Pierre, chief town of the small French archipelago of Saint-Pierre-et-Miquelon, off Newfoundland in Canada, the French settlers who arrived from 1668 brought Catholic worship with them. A first wooden church was completed in 1690. Damaged in 1846 by the explosion of a gunpowder store, it was replaced in 1852 by a new parish church on the same site, itself destroyed by the great fire of 2 November 1902, which according to the sources started in the church itself. The present building was built between 1905 and 1907 and inaugurated on 1 December of that year. No source identifies the architect responsible for this rebuilding, while only Joseph Muller, of Colmar, is documented, the author of the later rebuilding of the bell tower in 1975. In a style described as «Basque church», joining European and local elements, with an upper inner gallery fitted with wooden benches, the cathedral was rebuilt in 1907 in concrete, an innovative choice for the time meant to resist fire, which proved ill-suited in the long run to the harsh climate of the North Atlantic. The bell tower, made anew in 1975, uses Alsatian sandstone and local pink granite instead. The stained glass of the early twentieth century shows French saints such as Margaret Mary Alacoque and Bernadette Soubirous, while a second group of modern windows was given by General Charles de Gaulle after his visit of 1967, with gospel scenes that include sea imagery and references to Pope John XXIII and the Second Vatican Council. The cathedral served the apostolic vicariate of the islands of Saint-Pierre-et-Miquelon, not technically a diocese in the canonical sense, as is sometimes wrongly reported, erected as an apostolic prefecture in 1765, two years after the cession of New France to Great Britain, and raised to an apostolic vicariate on 16 November 1970 by Pope Paul VI. The vicariate was suppressed on 1 March 2018 and joined as a deanery to the diocese of La Rochelle and Saintes, in metropolitan France, counting at the time of the suppression two parishes and about 6,300 Catholics. Today the cathedral is an active parish church of that diocese, an unusual administrative arrangement for an overseas territory. The present parish priest is Father Antoine Sagna, while the bishop with full authority over the diocese, since 19 August 2025, is Monsignor Pierre-Antoine Bozo, who succeeded as coadjutor Monsignor Georges Colomb, withdrawn from service since 2023 following accusations. The bell tower rebuilt in 1907 in concrete decayed to the point of needing a complete rebuilding in 1975, a concrete example of the challenges the North Atlantic climate poses to the conservation of the buildings of the archipelago. The cathedral has been classified a French historic monument since 18 February 2020.