First mention of the monastery 634 (≈ 634)
Testament of the deacon Adalgisel Grimo
973
Conversion to college
Conversion to college 973 (≈ 973)
By the Archbishop of Trier
1287
Church Consecration
Church Consecration 1287 (≈ 1287)
After reconstruction in college
XVIe siècle
Building Fortification
Building Fortification XVIe siècle (≈ 1650)
Adding a steep and high elevation
1875
Historical monument classification
Historical monument classification 1875 (≈ 1875)
Official State protection
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Saint-Agathe Church: list of 1875
Key figures
Adalgisel Grimo - Deacon
Author of the will mentioning the monastery in 634
Archevêque de Trèves (973) - Prelate
Transforming the monastery into a collegiate
Origin and history
The Church of St. Agathe in Longuyon finds its origins in a monastery mentioned as early as 634 in the will of the deacon Adalgisel Grimo. This monastery, originally dedicated to St.Agathe, was transformed into a collegiate monastery in 973 by the archbishop of Trier, then a Benedictine priory at the end of the 12th century. At the beginning of the 13th century, it was definitively restored to collegiate status, marking the beginning of the reconstruction of the church, which was consecrated in 1287. The building, built between the late 12th and early 13th centuries, has a probably anterior tower base, possibly dating from the 11th century.
Fortified in the 16th century, the church has notable defensive elements, such as a stretch above the western gate and an elevation of the bedside. These changes reflect the tensions of the time and the need to protect places of worship. At the time of the Revolution, it became a parish church, continuing in this function until today. Major work was undertaken in 1983 to stabilize its southern flank, which was threatened with dumping in the late 19th century.
The church of Sainte-Agathe is distinguished by its artistic and architectural heritage. It houses a rare 14th century altar with a relic display, as well as several 16th century sculptures. These elements, combined with its turbulent history, bear witness to the religious and military evolution of the region. Ranked a historic monument since 1875, it remains a symbol of the rich medieval past of Longuyon.
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