Sixtus V

Sixtus V, born Felice Peretti di Montalto in 1521, served as pope from 1585 until his death in 1590. Known for his ambitious reforms, he was instrumental in revitalizing the Catholic Church and the city of Rome. His papacy is marked by significant architectural projects, including the completion of St. Peter's Basilica, and he is often remembered for his efforts to centralize the papal authority and improve the Church's administrative efficiency.