"Sacre- Coeur"
The basilica was designed by Paul Abadie, using a Neo-Byzantine-Romanesque plan. Construction began in 1875 and continued for forty years under five different architects. Completed in 1914, the basilica was formally consecrated in 1919 after World War I. Sacré-Cœur Basilica has maintained perpetual adoration of the Holy Eucharist since 1885. The site is traditionally associated with the martrydom of Saint Denis, the patron saint of Paris.