The Château de Montgeoffroy is an 18th century manor house located in the commune of Mazé (Maine-et-Loire), France.
In 1676, Érasme de Contades acquired the property. In 1772, the Marshal Louis Georges Érasme de Contades, governor of Alsace, decided to rebuild the château as a retirement home. He called on the Parisian architect Jean-Benoît-Vincent Barré, who worked with the local architect Simier.
The marshal being far from Anjou, the work was directed primarily by his son, le marquis de Contades, his daughter-in-law, Julie Constantin de Marans, his mistress, Hélène Hérault, and her daughter-in-law, Marie-Marguerite Magon de La Lande. It took three years. The old château was burned down, but Barré appreciated its U shape and kept two towers and the moat, as well as the chapel, which dated from 1543.
The building miraculously survived the French Revolution and the Revolt in the Vendée conserving its common buildings, agricultural structures, chapel and park. It also kept its archives and its furniture, which was studied by Pierre Verlet.
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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.