It was begun around 1170, and was finished in the mid-13th century.
The main external feature is the high belfry, finished only in the 15th century.
The altarpiece of the high altar was finished in the early 17th century.
The decoration of the church was finished only in the 16th century.
Its construction was finished in the late 19th century, with the completion of the two side towers.
The "Loggia", already called so since 1493, was finished in the 16th century.
The square was finished in the mid to late-19th century when the population boomed.
It was finished in the 14th century, with a base dating back to the 13th century.
The construction of the cathedral finished in the 17th century.
The west building, was finished in the 17th century.