Trebnje Castle dates from year the 13th century and was first mentioned in written sources in 1386. The original owners were the lords of Trebnje from Carinthia, while it was later run by the Ortenbuger, the Counts of Celje, the Hapsburgs and others, and was from 1812 to 1824 owned even by the local missionary Frederic Irenaeus Baraga.
The castle retained many ancient sections – a square tower with Roman foundations, a round tower from the time of the Ottoman Wars – and was completed to the way it is today in the 16th century. A stone lion from Roman times reigns on top of the castle stairs. The castle was extended in the 17th and 18th century. It owes its current look to a 19th-century remodelling in the historicist style.
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.