| A | B |
|---|
| Charlemagne | Crowned "Emperor of the Romans" in the year 800 by the pope |
| Pius XII | Used his influence as he confronted communism around the world |
| Savonorola | Italian reformer who preached publicly against injustice |
| Cyrillic | Written language developed so that the Slavic people could celebrate mass |
| Pope Leo | He headed the Council of Chalcedon |
| Roman Catholic Church | Church of the West |
| Orthodox Church | Church of the East |
| Michaelangelo & Botticelli | Artists sponsored by the Pope |
| Lay investiture | Practice where nobles could appoint church leaders to power |
| Concordat of Worms | Incident where the controversory over lay investiture was resolved |
| Innocent III | Most powerful Pope in the Middle Ages |
| mendicants | Type of friars in the Middle Ages |
| celibacy | Required by priests; not marrying |
| Catherine of Sienna | Wrote constant letters to call Pope Gregory XI back to Rome |
| Latin | Language spoken by the Western church |
| Cardinal Humbert | Representative sent by Pope Leo IX to meet with the patriarch at Constantinople |
| 1829 | Year when Catholics in England and Ireland were allowed to practice their religion |
| Ignatius of Loyola | Founder of the Jesuits |
| Anglican church | Another name for the Church of England |
| John Tetzel | One of the most famous sellers of indulgences |
