The University of Catania is the oldest university in Sicily and the 13th oldest in Italy.
The university was founded by King Alfonso V of Aragon (who was also King Alfonso I of Sicily) on 19 October 1434. Alfonso V with this gesture wanted to compensate the city (in which there had been recently established the Royal Court) for moving the Sicilian capital from Catania to Palermo. The activity of the Atheneum actually started a year later, in 1445, with 6 professors and 10 students. The first four faculties were Medicine, Philosophy, Canon and Civil Law and Theology. Lessons were initially held in a building in Piazza del Duomo, next to the Cathedral of St. Agatha, and eventually moved to the Palazzo dell'Università in the late 1690s. This building remains the seat of the university to this day.
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Visby Cathedral (also known as St. Mary’s Church) is the only survived medieval church in Visby. It was originally built for German merchants and inaugurated in 1225. Around the year 1350 the church was enlarged and converted into a basilica. The two-storey magazine was also added then above the nave as a warehouse for merchants.
Following the Reformation, the church was transformed into a parish church for the town of Visby. All other churches were abandoned. Shortly after the Reformation, in 1572, Gotland was made into its own Diocese, and the church designated its cathedral.
There is not much left of the original interior. The font is made of local red marble in the 13th century. The pulpit was made in Lübeck in 1684. There are 400 graves under the church floor.