Pope John XXIII was a difference-maker. Before being elected pope in 1958, he worked hard to help Jews during the Holocaust. He is best known for his role in calling the Second Vatican Council, which emphasized changes in church culture while remaining grounded in the truths of the Faith. Pope John XXIII became a respected voice on global issues, ranging from moral theology, to the Cold War, to combating anti-Semitism.Feast Day: October 11Patronage: Christian Unity, Ecumenism, Papal Delegates