 Built between the 11th and 16th centuries, it was classified in 1862 as a national monument of France for its mixture of Romanesque and Gothic architectural styles, especially the style, and for the stained glass windows, including the transept's window of Saint Julian, considered to be a masterpiece of French 13th-century glasswork.The original Romanesque church was rebuilt with Gothic details in the mid-12th century.The single aisle was vaulted with pointed arches resting on a re-clad interior elevation.