Pope Sixtus V, born Felice Piergentile, was head of the Catholic Church and ruler of the Papal States from 24 April 1585 to his death in August 1590. As a youth, he joined the Franciscan order, where he displayed talents as a scholar and preacher, and enjoyed the patronage of Pius V, who made him a cardinal. As a cardinal, he was known as Cardinal Montalto.
