St. George's Cathedral, also called Wiener Neustadt Cathedral is the cathedral of the military ordinariate and a minor basilica. The church, begun in 1440 on the west side of the castle of Wiener Neustadt, was commissioned from the architect Peter von Pusica by Frederick IV, Duke of Austria. At the end of the work the church was dedicated to St. Mary and consecrated in 1460. In 1479 the Order of the Knights of St. George established their headquarters in Wiener Neustadt, and the patron of the church became St. George. After the abolition of this chivalric order in 1600, the church was entrusted first to the Cistercians and later the Piarists. In 1608 and 1616 two fires damaged the castle and the church, which were repaired by initiative of Maximilian III.
With the foundation of Teresian Military Academy on December 14, 1751, the church was closely tied to the fate of the castle as the headquarters of the military school. The castle and church were completely destroyed in bombing during the Second World War on March 12, 1945, but reconstruction began the following year, to be completed only in 1958.
Since 1963 the church has been home to the Military Ordinariate, as a result of which it was elevated to the status of cathedral. On 13 December 1967 it also became a minor basilica.
References:The Clementinum is a historic complex of buildings in Prague. Until recently the complex hosted the National, University and Technical libraries, the City Library also being located nearby on Mariánské Náměstí. The Technical library and the Municipal library have moved to the Prague National Technical Library at Technická 6 since 2009. It is currently in use as the National Library of the Czech Republic.
Its history dates from the existence of a chapel dedicated to Saint Clement in the 11th century. A Dominican monastery was founded in the medieval period, which was transformed in 1556 to a Jesuit college. In 1622 the Jesuits transferred the library of Charles University to the Klementinum, and the college was merged with the University in 1654. The Jesuits remained until 1773, when the Klementinum was established as an observatory, library, and university by the Empress Maria Theresa of Austria.