| A | B |
|---|
| Pius X | lowered communion to age 7 and encouraged frequent reception of sacraments |
| Benedict XV | WWI Pope - exhausted Vatican resources granting aid to victims |
| Pius XII | WWII Pope, took position of neutrality but helped save 400,000 Jews |
| John XXIII | A 'transition' Pope who surprised everyone by calling Vatican II |
| Peter | the first Pope of Rome |
| Gregory I (the Great) | reformed church music (Gregorian Chant) |
| Leo I (the Great) | exercised increase power of papacy by representing Rome agains Attila the Hun |
| Gregory VII (Hildebrand) | reformist pope who banned lay investiture |
| Benedict XVI | the current Pope |
| Leo XIII | issued 'Rerum Novarum', the church's first social encyclical |
