Benedict XVI served as pope of the Roman Catholic Church from 2005 to 2013. He is best known for his rigid views on Catholicism and topics such as birth control and homosexuality.
Nicholas II was pope of the Holy Roman Empire from 1059 to 1061. His reforms included the official ban on clerical marriage.
Pope John Paul II made history in 1978 by becoming the first non-Italian pope in more than four hundred years.
Pope Benedict XIV (originally Prospero Lambertini) was head of the Roman Catholic Church from 1740 to 1758.
Jorge Mario Bergoglio was elected the 266th pope of the Roman Catholic Church in March 2013, becoming Pope Francis. He is the first pope from the Americas.
During his papacy, St. Leo I strove to suppress heresy and presented a clear doctrine of Christ’s incarnation that successfully promoted orthodoxy.