It was designed by Roch Montbriant and Canadian artist Guido Nincheri.

It is famous for its large cupola and brick façade, and especially its frescos by Guido Nincheri.

A particularly well-known fresco depicts Benito Mussolini on a horse; painted before World War II, it commemorates his signing of the Lateran Accords.

Designated a National Historic Site of Canada in 2002,[1] it is located at 6800 Henri-Julien Avenue at the corner of Dante Street (Jean-Talon or Beaubien metro stations) in the borough of Rosemont—La Petite-Patrie.

Plaqued in 2005, the Church serves the oldest Italian community in Canada.