Pope Pius XII, born Eugenio Pacelli, served as the head of the Catholic Church from 1939 to 1958. During his tenure, he navigated the challenges of World War II and the Holocaust. Pius XII was known for his intellect, piety, and diplomacy, but his legacy has been the subject of much debate. Synonyms for Pius XII might include "the wartime pope," "Eugenio Pacelli," "Pope of Peace and Reconciliation," "Champion of the Poor," and "the Pope who Confronted the Nazis." While his papacy remains controversial, there is no denying the impact of his leadership during a tumultuous period of history.