Medieval renovations (11th to 14th centuries) Medieval renovations - The Romanesque abbey church (11th century) Medieval renovations - Partial reconstruction (12th century) Medieval renovations - The Gothic abbey church (13th century) Medieval renovations - Renovations of the conventual buildings (14th century) The foundation (5th century) The basilica of Clotild (6th century) The Carolingian reconstruction (9th century) Medieval renovations (11th to 14th centuries) Crises and renewals (17th to 20th centuries)