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Heritage classified

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Origin and history

The church Notre-Dame de Plomion, located in the Aisne department in the Hauts-de-France region, is a religious building built between the sixteenth and seventeenth centuries. It is characterized by an imposing facade consisting of a large square dungeon framed by two towers, as well as defensive elements such as murderers and scauguers. The use of brick as a main material, combined with varnished brick decorations (interlaces, daziers, diamond crosses), reflects the local architecture of the Thierache, a region known for its fortified churches.

Inside, the nave, flanked by two collaterals, leads to a transept and a vaulted choir, decorated with bows. The building preserves medieval elements, such as 12th or 13th century bays reused, but its current structure dates mostly from the 16th and 17th centuries. Major changes took place in the 18th century, notably in 1733, where the nave was covered with a single roof, removing the high windows, and where a sacristy was added. The inscriptions on the cornices, such as the one bearing "A. GORISSE 1733", testify to this work.

The church suffered damage during the First World War, including the destruction of its original bells by the Germans, an event marked in local memory. Partially classified in 1927 (closing and scalding) and in 1987 as a whole, it was the subject of an extensive restoration project between 2019 and 2022. In April 2025, the building was classified as a historic monument in its entirety. Its dungeon, which served both as a porch and a defensive system, illustrates the adaptation of churches to a dual military and religious use, characteristic of the region.

The interior furniture includes religious canvases (such as Christ in the garden of olive trees), carved woodwork representing Saint Bruno or the Good Shepherd, and tombstones, including those of parish priests Marc Fouan (died 1735) and Marc Nicolas Fouan (1768). These elements underline the central role of the church in the community and spiritual life of Plomion, from the Middle Ages to the modern era.

Architecturally, the church combines medieval influences (primitive nave) and Renaissance additions (donjon, brick decorations). The polygonal arrows covering the towers and the bell tower, rebuilt after destruction or transformations, bear witness to a constant evolution. Varnished brick motifs (hearts, diamond) add a unique aesthetic dimension, while murderers recall their defensive past in a border area often exposed to conflict.

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