The first castle in Głogówek was built by the Piasts from the Opole line probably in the 13th century. In the years 1532-1561, the Zeidlitz family took the castle over from the previous owners; in 1561 it was in possession of the Oppersdorffs. They decided to demolish the Gothic building and replace it with a Renaissance structure which has survived - only with minor transformations - to the present day.
The first project was the upper castle with the duke’s chamber and corner towers (1561-1606); from 1606, the lower castle was developed along with a chapel. In the years 1743-1781, the sough wing of the lower castle was expanded and Baroque detailed were added; in the mid-19th century, part of the castle was rebuilt under the supervision of an architect named Gluck.
During the Swedish invasion in 1655, the castle was home to King Jan Kazimierz and his court, and in 1806 it was visited by Ludwig van Beethoven fleeing from the Napoleon’s army.In 1945 the last member of the Oppersdorff family left the castle which has ever since changed hands and has served different functions: youth hostel, regional museum, art gallery, and culture centre. Today, the building is owned by the municipality again and restoration works are underway.
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The Castle of Gruyères is one of the most famous in Switzerland. It was built between 1270 and 1282, following the typical square plan of the fortifications in Savoy. It was the property of the Counts of Gruyères until the bankruptcy of the Count Michel in 1554. His creditors the cantons of Fribourg and Bern shared his earldom. From 1555 to 1798 the castle became residence to the bailiffs and then to the prefects sent by Fribourg.
In 1849 the castle was sold to the Bovy and Balland families, who used the castle as their summer residency and restored it. The castle was then bought back by the canton of Fribourg in 1938, made into a museum and opened to the public. Since 1993, a foundation ensures the conservation as well as the highlighting of the building and the art collection.
The castle is the home of three capes of the Order of the Golden Fleece. They were part of the war booty captured by the Swiss Confederates (which included troops from Gruyères) at the Battle of Morat against Charles the Bold, Duke of Burgundy in 1476. As Charles the Bold was celebrating the anniversary of his father's death, one of the capes is a black velvet sacerdotal vestment with Philip the Good's emblem sewn into it.
A collection of landscapes by 19th century artists Jean-Baptiste-Camille Corot, Barthélemy Menn and others are on display in the castle.