The Collegiate Church of Saint-Vulfran in Abbeville is built in a Flamboyant Gothic style. The construction of the church was started on 7 June 1488. From 31 August it was clear that funding would be an issue and thus the construction was ceased for some time. On 4 April 1520 Jean Crétel of Tours-en-Vimeu was commissioned to lead the work. The nave would be under construction until 1539. Construction resumed 120 years later when the choir was built in two years, from 1661 to 1663 in a more simplified style.
As the French Revolution took place, the church became a Temple of Reason and a feast was celebrated in honor of the Supreme Being on 8 June 1794. Catholic worship in the church resumed in 1803. The church was listed as a Monument historique in 1840.
The church was heavily damaged on 20 May 1940 by German bombings as part of the Battle of France in World War II. The restoration of the church was not completed until 1998.
References: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.