Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Venice and its Lagoon' has mentioned 'Middle Ages' in the following places:
Occurrence Sentence Text Source
It was a major financial and maritime power during the Middle Ages and Renaissance, and a staging area for the Crusades and the Battle of Lepanto, as well as an important center of commercexe2x80x94especially silk, grain, and spice, and of art from the 13th century to the end of the 17th.
In the Middle Ages and the Renaissance, Venice was a major center for commerce and trade, as it controlled a vast sea-empire, and became an extremely wealthy European city and a leader in political and economic affairs.
Venice's small islands were enhanced during the Middle Ages by the dredging of soil to raise the marshy ground above the tides.
Two of the most noted Venetian writers were Marco Polo in the Middle Ages and, later, Giacomo Casanova.
Venice, especially during the Middle Ages, the Renaissance, and Baroque periods, was a major centre of art and developed a unique style known as the Venetian School.
In the Middle Ages and the Renaissance, Venice, along with Florence and Rome, became one of the most important centres of art in Europe, and numerous wealthy Venetians became patrons of the arts.
Venice is built on unstable mud-banks, and had a very crowded city centre by the Middle Ages.
In this inland sea that has continuously been under threat, rises amid a tiny archipelago at the very edge of the waves one of the most extraordinary built-up areas of the Middle Ages.
The structure and urban morphological form of Venice has remained broadly similar to the one the city had in the Middle Ages and Renaissance.
The urban structure has predominantly maintained the formal and spatial characters present in the Middle Ages and the Renaissance with a few later additions due to landfills and land reclamation.