The oldest parts of Västerås Cathedral date from the 13th century. It was originally built as a triple-aisled basilica in the 1230s and inaugurated in 1271. The cathedral was rebuilt and enlarged during the next two centuries. The tower was erected around 1420. The steeple was added in 1691 and it was designed by Nicodemus Tessin the Younger.
The most famous person buried to the Västerås Cathedral is King Erik XIV, the son of Gustav Vasa. The highlights of the interior are three beautiful triptychs, although there is much other fine interior furniture, including the pulpit.
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.