It was an independent state from the early Middle Ages until the 14th century .
Vangadizza Abbey ( Italian : Abbazia della Vangadizza ) is a former Benedictine abbey in the modern comune of Badia Polesine , northern Italy .
Vangadizza Abbey was an independent Abbazia della Vangadizza from the early Middle Ages until the 14th century .
Vangadizza Abbey ( Italian : Abbazia della Vangadizza ) is a former Benedictine abbey in the modern comune of Badia Polesine , northern Italy .