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Origin and history

The Saint-Jean-Baptiste church of Saint-Jean-du-Doigt, located in the Finistère, is a Gothic building of the 15th and 16th centuries, built to house a prestigious relic: the phalange (right index) of Saint John the Baptist. According to the legend reported by Albert The Great, this relic, saved from the flames in 363 by Emperor Julien the Apostate, was transported to Normandy by a virgin named Thecle during the Crusades. In the 15th century, an archer from Plougasnou allegedly stole from Saint-Jean-de-Daye (Manche) to bring her back to Brittany, attracting crowds of pilgrims by the miracles attributed to her.

The Duke John V of Brittany, impressed by these miracles, placed the relic in a golden case and launched the construction of the present church, whose first stone was laid on 1 August 1440. The work, interrupted several times, was completed only in 1513, the date of its consecration. The building, rectangular without transept, is distinguished by its seven-span nave, its lower side, and an openworked gallery bell tower, inspired by the triforiums of Lamballe or Tréguier. The site includes a complete parish enclosure with cemetery, sacred fountain, funeral chapel dedicated to Saint Mélar, and a calvary, offering a rare example of preserved medieval ensemble.

The church was listed as a Historic Monument in 1862, followed by its fountain (1886), its doorway (1914), and its cemetery (1933). Ravied by a fire in 1955, it was restored and reopened to worship in 1966. Its silversmith's treasure, miraculously spared, and its architectural elements such as the south porch (years 1470-1480) or the seigneurial chapel of Isle (circa 1490-1500) bear witness to its rich past. The local legend also evokes a unique ritual during forgiveness: an angel holding an inflamed torch slipped along a cable from the bell tower to light a stake, symbolizing the divine light.

Recent epigraphic studies have revealed the key role of two local canons, Jean Marec (rector of Plougasnou and treasurer of Cornouaille around 1425) and Prigent Marec (Lord of a nearby mansion in 1460), in ordering and financing construction campaigns. These discoveries nuanced the tradition attributing exclusively the foundation to Duke Jean V, stressing the importance of the local clergy from the little Breton nobility. The Duchess Anne, during her Tro Breiz in 1505, also contributed to the completion of the project with donations.

The bell tower, an architectural masterpiece, is distinguished by its three storeys of up-to-date galleries, connected by open-worked coffers, and a frame arrow covered with lead, destroyed by lightning in 1925 and finally lost in the 1955 fire. Its unique architectural party, with diametrically opposite stair screws and peripheral courtyards, is inspired by 15th-century tregorro and leonard models. The west façade, rebuilt in 1512, and the gate of the enclosures (circa 1490), attributed to architect Philippe Beaumanoir, complete this remarkable ensemble.

Today, the church and its enclosure, owned by the commune, remain a place of pilgrimage and an exceptional testimony of Breton religious art. Its three-vessel plan under a unique roof, its flat bedside typically Breton, and its carved decorations (like the lions of the gate) make it an essential site, ranked among the most complete in Brittany to illustrate the medieval organization of a parish, with its liturgical and funeral annexes.

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