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Origin and history

The collegiate Saint-Pierre d'Aire-sur-la-Lys, located in Pas-de-Calais, is an iconic building with impressive dimensions (105 m long, 65 m tower). Founded in the 11th century by Baudouin V and confirmed by Pope Calixte II in 1119, it replaces a Romanesque church consecrated in 1166, some of which remains in the current choir. It was built from 1492 to 1634, marked by the liberalities of the bastard sons of Philippe le Bon, Duke of Burgundy, who financed the choir completed around 1431.

The 16th and 17th centuries were marked by repeated destructions: collapse of the tower in 1624, French (1641, 1676) and Dutch (1710) seats that reduced the building to ruin. The 18th century saw a major reconstruction, financed by the Canons, quests (as at Saint-Omer in 1728), and royal pensions on regional abbeys. The choir was reopened in 1729, the tower rebuilt between 1735 and 1750, and the belfry erected in 1764. The church, which has been a parish since 1803, was listed as a historic monument in 1862.

In the 19th century, Curé Edouard Scott (1829–87) transformed the interior into a troubadour style: murals, marble floor (1844), furniture carved by Auguste Boileau (jube, pulpit, altars), and chemin de croix (1851). World wars caused new damage: roofing and stained glass in 1914–18, German bombs (1940) and British bombs (1944) destroying chapels and vaults. The restorations ended in 1954, with a reopening of the choir in 1981.

The college houses a Marian cult centered on Notre-Dame Panetière, linked to a miracle of 1213: during the Flemish siege, a cart of bread would have saved the hungry city, attributed to the intercession of the Virgin. An annual procession, on August 15, has been commemorating this event for 800 years. The furniture includes a 15th century statue of the Virgin, an organ buffet of 1633, and Gothic elements (voûts at 20 m, strolling with radiant chapels).

The architecture combines sandstone, brick and limestone, with a three-storey facade decorated with shields (1688, 1837). The Latin cross plan, the weak buttresses, and the wide windows reflect the influences of the Southern Netherlands. Recent restorations (2018–2019) revealed a cannon ball of 1710 inlaid in the south wall, witness to past conflicts.

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