Situated on a hill overlooking the valley of Thiele, the Champvent castle of is on of the best preserved medieval castles in Vaud canton. It was probably built around 1250 by Henri de Grandson. His family occupied the castle until 1336. The castle and the lordship then passed in Burgundy until 1476 when it was burned after the Battle of Grandson (in Burgundian Wars). Champvent castle was rebuilt after 1536 and became a private property.
The construction plan derives its origin from Byzantine architecture and undoubtedly became to the Western Europe at the time of the crusades. Today castle is a rectangular building flanked by round towers.
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.