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Origin and history

The fortified enclosure of Verdun, located in the Meuse department in the Grand Est region, finds its origins in the thirteenth century. This first medieval rampart was gradually strengthened, especially in the seventeenth century by Vauban, who added bastions and a citadel to control the strategic axes of the Meuse. These fortifications, originally designed to protect the city then integrated into the Holy Roman Empire, were modernized after the French annexation in 1552, marking the beginning of a series of major military transformations.

In the 19th century, under the impetus of General Séré de Rivières, Verdun became a pivot of the French defensive system against Germany. Between 1874 and 1914, two belts of reinforced concrete forts were built, equipped with armored turrets, casemates and underground shelters. These developments made Verdun a major stronghold, able to withstand modern shells thanks to innovations such as reinforced concrete and deep galleries. The city, located on a road, rail and river junction (Meuse, East Canal), became a strategic lock between Metz and Paris.

During the First World War, the compound and its forts played a central role during the Battle of Verdun (1916), under intensive bombardment. Millions of shells struck the fortifications, like the fort of Douaumont or the building of Thiaumont, partially destroyed. Despite their partial disarmament in 1915, underground galleries and armored turrets allowed French troops to hold, illustrating the relative effectiveness of modern fortifications. After the war, some forts, such as Douaumont and Vaux, were preserved as museums, while others, too damaged, were abandoned.

Between 1926 and 1939, some of the fortifications were downgraded, but some galleries were redesigned to serve as a second line behind the Maginot line. During World War II Verdun was briefly occupied in 1940, and his forts served as ephemeral points of resistance. Today, the 13th century medieval enclosure, classified as a Historical Monument in 1937, as well as the iconic forts, bear witness to nearly eight centuries of military history, from medieval times to modern conflicts.

The site, partially accessible to the public (forts de Douaumont, Vaux and the work of La Falouse), attracts visitors for its role in the Great War and its unique defensive architecture. The remains, such as the Thiaumont building or the underground citadel, recall the intensity of the fighting and the evolution of fortification techniques. Verdun remains a symbol of resistance, where medieval heritage and military innovations of the 19th and 20th centuries combine.

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