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Origin and history

The Abbey of Notre-Dame d'Evron, founded in the 7th century by Saint Hadouin, bishop of Le Mans, is based on a medieval legend: a pilgrim would have hung a relic of the milk of the Virgin on an aubépine, which would have turned miraculously to return it to him. This account, recorded in the ninth century, justifies the foundation of a Benedictine monastery, endowed by Hadouin in 642. Destroyed during the Breton and Norman invasions, the abbey was refounded between 985 and 989 under the impulse of a nobleman named Robert (perhaps the Viscount of Blois), although this attribution was controversial among historians. The reconstruction begins with a Romanesque crypt, followed by a nave and a bell tower in the 11th century.

In the 12th century, the abbey was enlarged in a Gothic style, with a choir and flamboyant transepts consecrated in 1252. The abbey, becoming a powerful local lord with rights of high justice, prospers thanks to pilgrimages and exploitation of his estate (moulins, halles, tithes). The wars of Religion (16th century) led to looting and fortifications: the porch tower was transformed into a dungeon, and ditches girded the monastery. François de Châteaubriant, the first abbot of commerce (1482), financed beautifications before the abbey passed under this regime, marking its spiritual decline.

In the 18th century, a new neoclassical convent was built to the west, incorporating the Romanesque bell tower. The Revolution turned the abbey into a parish church (1800) after the destruction of the nearby Saint Martin church. In the 19th century, the Sisters of Charity of Évron occupied the convent, while the basilica, classified as early as 1840, underwent restorations (dismounting of the arrow in 1901, archaeological excavations revealing the crypt in 1985). Since 2014, the Saint-Martin community has established its mother house, perpetuating the religious vocation of the site.

The architecture of the abbey thus blends elements Romanesque (nef, crypt), Gothic (chœur, transepts), and classical (covent of the eighteenth). The chapel of Saint-Crépin, built in the 12th century by a pilgrims of Compostela, houses 13th century murals and a treasure of relics, including that of the milk of the Virgin, preserved in a reliquary in vermeil (1516). The stained glass windows, from the 14th to the 20th century, and a classified organ (XVIIth–XIXth) complete this exceptional heritage.

The site, protected as historical monuments (classification of 1840 for the basilica, inscription of 1987 for the convent buildings and gardens), illustrates nearly 1,400 years of religious, seigneurial and architectural history in Mayenne. Recent excavations and restorations (like that of the South Transept in 2016) continue to reveal its past, while the Saint-Martin community now provides spiritual and cultural animation.

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