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Origin and history

The Episcopal Palace of Laon, also known as the Palace of Justice, is located in the former seat of the bishops of the city, founded in the early sixth century. Although Laon was not a Gallo-Roman civitas, excavations carried out in 1979 near the cathedral revealed Carolingian structures dating from the late 5th or early 6th century, confirming its ancient origin. A first palace, damaged during the fiscal revolt of 1112, was partially rebuilt by the following bishops, including Hugues and Barthélemy de Jur, who added a fortified gate and a covered road linking the cathedral to the palace.

In the 12th century Bishop Gautier de Mortagne built a double chapel (1150-1170) dedicated to Saint Nicholas (upper level) and Saint James (lower level). The large hall, perpendicular to the east wing, was built around 1240-1245 under the Garnier episcopate. The modifications continued in the 15th and 16th centuries, with the extension of the north wing and the addition of Renaissance windows. Between 1681 and 1683, architect Antoine Totin undertook a partial reconstruction of the east and south wings, as well as the resumption of the structure of the large hall.

The palace welcomed royal personalities, such as Henri IV (1594), Marie de Medici (1603), Louis XIII (1622) and Louis XV (1744), despite his sometimes delapidated condition. After the Revolution, it became the seat of the district of Laon (1792-1800), then a courthouse in 1811. The chapel was restored in 1880, and the large hall in 1950. Ranked a historic monument in 1875, it preserves Gothic elements (archives, capitals) and facades carved on the ramparts.

The building mixes limestone, brick and rubble, with slate roofs or tiles. The courtyard, once closed by a fortified gate (destroyed in 1823), is now decorated with a wrought iron gate (1895). The bays of the North Gable, although modified, preserve columns and capitals of the 11th-XIIth century, testimonies of the medieval palace. The double chapel, vaulted and covered with tiles, illustrates 12th century religious architecture.

The palace embodies nearly 15 centuries of history, moving from a place of episcopal power to a judicial symbol. Its evolution reflects the political and architectural upheavals of France, from the Carolingian period to the Revolution, keeping tangible traces of each period.

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