The ruins of the castle of Saint-Aubin-of-Cormier point out a significant event of Breton history. Affected by the catch of Saint-Aubin, François II, Duke of Brittany, an army of 11000 men constitutes to take again the places. During the famous battle of July 28, 1488, the French troops embank their adversaries. This event announces the end of independence of Brittany which will concretize itself with the marriage Anne of Brittany and Charles VIII. Having lost its defensive interest, the castle was going to be destroyed, except the face is keep, turned towards France winner. The fortress included a whole of 10 turns including one formidable keep and formed a quadrilateral of 100 meters out of 30. There remains only the northern half of the keep and the bases of the others turns. One also finds some scraps of the main building and the wall of the vault. The external enclosure, integrated now in constructions of the borough, keeps the trace of three grosses towers in half-moon and the southern rampart which dominates the pond.
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.