The Château de Serrant is a Renaissance château built on the foundations of a medieval fortress. From the 14th century the castle was held by the Brie family. Charles de Brie was inspired to start modernisation early in the 16th century, but lack of funds meant the project was halted with only the North Tower completed.
Ownership of the castle then changed hands several times before Guillaume de Bautru, a State Councillor, purchased the property in 1636. de Bautru restarted the construction that had been halted over a century earlier. By using Charles de Brie's original plans and the same russet schist and white tuffeau stone, de Bautru ensured that there was a continuity of design. The central halls, two wings and the South Tower were added, with Jules Hardouin Mansart completing the work of de Bautru by building the chapel.
In 1749, the estate was sold by the last surviving descendant of the de Bautru family and was bought by Antoine Walsh, a shipowner whose family were exiled Jacobites. As well as redecorating the interior of the castle, the Walsh family built an English style park, pavilions, and a monumental gate complete with the family crest. The château eventually passed out of the hands of the Walsh family in 1830 when Valentine Walsh de Serrant married the Duc de La Trémoïlle. La Trémoïlle assigned Luciene Magne the task of restoring the castle and several features, including parapets and cornices, were added. The La Trémoïlle family still own the château, but in the 20th century it has been modernised with cellars and the introduction of electricity.
The castle is notable for the library, stocked with 12,000 books; the vaulted halls, originally home to the kitchens; and Napoleon's bedroom, which was never used by the Emperor as he stayed at the castle for only two hours.
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.