Ali Pasha Castle is named after Ali Pasha of Tepelenë who resided there until 1820. The current fortress was rebuilt in 1819 from its surface with 3 towers.
Built under Venetian dominion in the late 15th or early 16th century, it provided a stronghold for the Venetians on Corfu to exploit fishing, grazing, olives and timber in and around Butrint. The castle was the centrepiece of numerous conflicts with the burgeoning Ottoman Empire, and changed hands on several occasions. It was finally destroyed by a retreating French army in 1798 to prevent it falling into the hands of Ali Pasha.
The fortification attributed to Ali Pasha at Butrint lies some 2.4 kilometres due west at the mouth of the Vivari Channel. This in itself began life in the late 17th or early 18th century as a fortified estate centre belonging to a Corfiote family that farmed land on the plains south of the ancient city. Ali Pasha seized control of the structure around 1804 and carried out a series of defensive improvements including the installation of gun batteries. Given its small size it is unlikely that the fort functioned as anything more than a control over access from the sea to Butrint, and it can not be compared to Ali's more redoubtable fortresses in the region at Tepelena, Gjirokastra and Ioannina.
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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.