Pope Pius V

Pope Pius V, born Antonio Ghislieri, was the head of the Catholic Church from 1566 to 1572. Known for his strict moral stance and dedication to reform, he implemented the reforms of the Council of Trent, strengthening church discipline. He is best known for excommunicating Queen Elizabeth I of England and for issuing the Roman Missal, standardizing the Catholic Mass. His leadership helped deepen Catholic unity and discipline during the Counter-Reformation. Canonized as a saint in 1712, Pius V is remembered for his piety, commitment to doctrinal purity, and influence in shaping modern Catholic practices.