Saint Pius V: The Legendary Pope Who Excommunicated Queen Elizabeth I, Standardized the Mass, and Defeated the Ottoman Empire. Este artículo no está disponible.Saint Pius V: The Legendary Pope Who Excommunicated Queen Elizabeth I, Standardized the Mass, and Defeated the Ottoman Empire

Roberto de Mattei is a Catholic historian who has taught in several Italian universities. Between 2003 and 2011, he served as vice president of the National Research Council, the highest Italian scientific institution. He is president of the Lepanto Foundation and editor of the magazine Radici Cristiane and the news agency Corrispondenza Romana. He has authored thirty-five books, including The Second Vatican Council: An Unwritten Story, which was translated into eight languages; Love for the Papacy & Filial Resistance to the Pope in the History of the Church; Saint Pius V; The Meaning of God's Providence in Our Lives; The Paths of Evil; and The Church in Storms. He has received many awards, including membership in the Order of St. Gregory the Great from the Holy See for his service to the Roman Catholic Church. He is married with five children.