The fortress church of Notre Dame de l’Assomption in Beaumont de Lomagne in southern Gothic style with its Toulouse octagonal bell tower. Everything is monumental in this vast red brick monument. more than 200 years for its construction, a spire which culminates at 51m, a nave 54m long and 15m wide, 20m high, 13 chapels, a large canopy, a great organ.
In 1430 the church was consecrated by Bishop Bernard de la Roche-Fontenille who, driven out of Montauban by the English, made it his cathedral for two years. During the revolution, it was transformed into a fodder store. The turmoil of the past revolution, the 19th century was that of repairs and restoration of the stained glass windows, the development of the entrance gate, the installation of new furniture.
The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.