After the creation of the Bishopric of Bamberg by Emperor Henry II, the first Bishop of Bamberg, Eberhard I, founded the Michaelsberg abbey in 1015 as the bishop's private monastery. Accordingly the abbot answered directly to the bishop of Bamberg, and to no-one else. The monks for the new establishment were drawn from Amorbach Abbey and Fulda Abbey.
The chronicler and author Frutolf of Michelsberg was prior here until his death in 1103. The abbey flourished under Bishop Otto (d. 1139), whose burial in the abbey church and subsequent canonisation in 1189, together with the papal protection granted to the abbey in 1251, was of enormous advantage in increasing the independence of the abbey from the bishops. The award to the abbots of the pontificalia had taken place some time before 1185. The abbey's financial status rested securely upon its great ownership of lands in 441 places in the bishopric.
In 1435 the abbey came into conflict with the townspeople of Bamberg and was plundered. It also suffered during the German Peasants' War of 1525, the Franconian Margrave War (Markgräflerkrieg) in the 1550s and from an occupation of several years' duration by the Swedish army during the Thirty Years' War. In the 17th and 18th centuries the abbey recovered, and enjoyed a new period of prosperity.
By the time of the secularisation of Bavaria of 1802 the abbey still owned substantial property in Bamberg itself as well as estates in no fewer than 141 places in the surrounding area. On 30 November 1802 Bavarian troops confiscated the abbey's assets. Valuable books were removed to the library of the Bavarian court, the predecessor of the present Bayerische Staatsbibliothek. The 24 monks then resident were obliged to leave the monastery. The abbey buildings passed into the possession of the city of Bamberg, who by popular request transferred into them the old almshouses from the city centre; these are still located there.
The first church on the site, dedicated to Saint Michael, was built in about 1015 and was destroyed by an earthquake, probably in 1117. The present building is basically a Romanesque church, consecrated in 1121. In 1610 it was badly damaged by a fire, as a result of which the nave (with its ceiling paintings of the Garden of Heaven, completed in 1617) and the westwork, with the two west towers, had to be more or less rebuilt from scratch. The still-extant organ-loft was also constructed very soon after the fire, in 1610, and is a significant work of the German Late Renaissance. From 1696 Leonhard Dientzenhofer, under the instructions of abbot Christoph Ernst, created a two-storey Baroque exterior façade. Johann Dientzenhofer built the terrace in 1723.
In 1833, on the orders of King Ludwig I of Bavaria, the gravestones and memorials of the bishops of Bamberg from the 16th to the 18th century were removed from Bamberg Cathedral and set up in the Michaelskirche.References:
The Mosque–Cathedral of Córdoba, also known as the Great Mosque of Córdoba and the Mezquita is regarded as one of the most accomplished monuments of Moorish architecture.
According to a traditional account, a small Visigoth church, the Catholic Basilica of Saint Vincent of Lérins, originally stood on the site. In 784 Abd al-Rahman I ordered construction of the Great Mosque, which was considerably expanded by later Muslim rulers. The mosque underwent numerous subsequent changes: Abd al-Rahman II ordered a new minaret, while in 961 Al-Hakam II enlarged the building and enriched the Mihrab. The last of such reforms was carried out by Almanzor in 987. It was connected to the Caliph"s palace by a raised walkway, mosques within the palaces being the tradition for previous Islamic rulers – as well as Christian Kings who built their palaces adjacent to churches. The Mezquita reached its current dimensions in 987 with the completion of the outer naves and courtyard.
In 1236, Córdoba was conquered by King Ferdinand III of Castile, and the centre of the mosque was converted into a Catholic cathedral. Alfonso X oversaw the construction of the Villaviciosa Chapel and the Royal Chapel within the mosque. The kings who followed added further Christian features, such as King Henry II rebuilding the chapel in the 14th century. The minaret of the mosque was also converted to the bell tower of the cathedral. It was adorned with Santiago de Compostela"s captured cathedral bells. Following a windstorm in 1589, the former minaret was further reinforced by encasing it within a new structure.
The most significant alteration was the building of a Renaissance cathedral nave in the middle of the expansive structure. The insertion was constructed by permission of Charles V, king of Castile and Aragon. Artisans and architects continued to add to the existing structure until the late 18th century.
The building"s floor plan is seen to be parallel to some of the earliest mosques built from the very beginning of Islam. It had a rectangular prayer hall with aisles arranged perpendicular to the qibla, the direction towards which Muslims pray. The prayer hall was large and flat, with timber ceilings held up by arches of horseshoe-like appearance.
In planning the mosque, the architects incorporated a number of Roman columns with choice capitals. Some of the columns were already in the Gothic structure; others were sent from various regions of Iberia as presents from the governors of provinces. Ivory, jasper, porphyry, gold, silver, copper, and brass were used in the decorations. Marvellous mosaics and azulejos were designed. Later, the immense temple embodied all the styles of Morisco architecture into one composition.
The building is most notable for its arcaded hypostyle hall, with 856 columns of jasper, onyx, marble, granite and porphyry. These were made from pieces of the Roman temple that had occupied the site previously, as well as other Roman buildings, such as the Mérida amphitheatre. The double arches were an innovation, permitting higher ceilings than would otherwise be possible with relatively low columns. The double arches consist of a lower horseshoe arch and an upper semi-circular arch.