Sisak Cathedral was built in the 18th century and dedicated in 1765. The spire was built in 1760.
After an earthquake in 1909, the old Baroque facade was replaced with a Neoclassical facade, with details in the Art Nouveau style. The church was also damaged during the Croatian War of Independence.
On 5 December 2009 Pope Benedict XVI established the Diocese of Sisak. As a result, the parish church became a cathedral.
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The eight towns in south-eastern Sicily, including Ragusa, were all rebuilt after 1693 on or beside towns existing at the time of the earthquake which took place in that year. They represent a considerable collective undertaking, successfully carried out at a high level of architectural and artistic achievement. Keeping within the late Baroque style of the day, they also depict distinctive innovations in town planning and urban building. Together with seven other cities in the Val di Noto, it is part of a UNESCO World Heritage Site.
In 1693 Ragusa was devastated by a huge earthquake, which killed some 5,000 inhabitants. Following this catastrophe the city was largely rebuilt, and many Baroque buildings from this time remain in the city. Most of the population moved to a new settlement in the former district of Patro, calling this new municipality 'Ragusa Superiore' (Upper Ragusa) and the ancient city 'Ragusa Inferiore' (Lower Ragusa). The two cities remained separated until 1926, when they were fused together to become a provincial capital in 1927.