Basilica of Saint-Remi

The Basilica of Saint-Remi, also known in French as the Basilique Saint-Remi, is a medieval abbey church situated on Rue Saint-Remi (or Rue du Cardinal de Lorraine) in Reims, France. Its construction began in the 11th century, built atop the chapel of St. Christophe, which was the burial site of St. Remi. It holds the distinction of being the largest Romanesque church in northern France, although it features later architectural additions. The building has been classified as a monument historique since 1840 and was designated a UNESCO World Heritage Site in 1991, as part of the broader site encompassing the Cathedral of Notre-Dame, the former Abbey of Saint-Remi, and the Palace of Tau.

The church's construction spanned the 11th, 12th, 13th, and 15th centuries. The nave and transepts, built in the Romanesque style during the 11th century, are the oldest surviving sections, while the south transept façade dates from the most recent period. Most of the building was completed in the 11th century, with later additions. The nave and transepts are Romanesque in style and date from the earliest phase, whereas the choir and apse chapels were added in the 12th and 13th centuries in the Gothic style. Pope Leo IX consecrated the basilica in 1049. Additional work was carried out in the 17th and 19th centuries. The structure was heavily damaged during World War I, and architect Henri Deneux (1874–1969) led a meticulous restoration that rebuilt it from ruins over the following four decades. As of 2009, the basilica remains an active Catholic parish church, holding regular worship services and welcoming pilgrims. It has been listed as a historical monument since 1841 and is considered a key landmark in French art and history.

Several royal and archepiscopal figures are buried in the basilica, including Carloman, King of the Franks (751–771; reigned 768–771) and brother of Charlemagne, whose known tomb is located within the abbey; Queen Frederonne (died 917), wife of Charles III (879–929); Gerberga of Saxony (910–984), wife of Louis IV (King of Western Francia from 936 to 954); Henri d'Orléans (died about 1653); Lothair I (941–986), King of Western Francia from 954 to 986; and Louis IV (King of Western Francia from 936 to 954).