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Heritage classified

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Origin and history

The church of Notre-Dame de Réaumur, located in the municipality of the same name in Vendée (Pays de la Loire), is a religious building whose oldest remains date back to the Romanesque period, although its present structure dates mainly from the 15th century. Its choir, with a fortified bedside, as well as its head-carved capitals and culs-de-lampe, bear witness to an architecture that was both defensive and adorned, typical of the churches of that time in the bocave region. The building was inscribed in the Historic Monuments by order of 12 February 1927, highlighting its heritage value.

The town of Réaumur, whose name appears around 1700 after several linguistic changes (Rioumou, Riomur, Ryaulmeur), is marked by a remarkable underground heritage. An underground shelter, discovered around 1830 on the site of the Haute-Court, reveals a complex system of rooms and passive defences, probably linked to periods of medieval conflict. This local historical context, combined with the presence of the fortified church, suggests an old occupation and a community organization centered around places of worship and protection.

Réaumur is also associated with the physicist René-Antoine Ferchault de Réaumur (1683–1757), although his direct link with the church is not documented in available sources. The building is part of a rural landscape dominated by agriculture (92% of the soil in 2018) and a dynamic associative life, as evidenced by the annual chocolate festival, attracting thousands of visitors. The church, a communal property, remains a symbol of the architectural and historical heritage of this Vendean territory.

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