In the 1540s, the fortifications of Messina were being modernized due to fears of the expanding Ottoman Empire. Forte Gonzaga was built on the hill of Montepiselli, outside the city walls. It was able to defend the mountainous landward approach to the city, and it also overlooked the Strait of Messina. The fort was designed by Antonio Ferramolino, a military engineer from Bergamo. He was assisted by Francesco Maurolico, a native of Messina. It was named after the Viceroy of Sicily Don Ferrante Gonzaga, and was completed in 1545.
The Ottoman threat was reduced after the Catholic victory in the Battle of Lepanto in 1571, and the fort's importance began to decline. It saw use during the 1674–78 uprising against Spanish rule. Spain eventually lost Sicily in 1713, but invaded the island five years later during the War of the Quadruple Alliance. During the invasion, the fort did not offer much resistance and was captured by the Spanish general Luca Spinola.
During the Sicilian revolution of 1848, the fort was captured by rebels, who used it to bombard the Real Cittadella which was still in Bourbon hands.
Forte Gonzaga saw use in World War II when it was used by German and Italian forces prior to the Allied invasion, and it was subsequently used by American forward observers to direct artillery fire during the invasion of Italy. It remained a military establishment until 1973, when the Italian Army handed it to the municipality of Messina. There are plans to restore the fort and turn it into a museum and conference centre.
References: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.