| Term | Definition |
| Martin Luther | Led the Reformation, wrote Ninety-Five Theses in 1517. |
| Ninety-Five Theses | Posted by Martin Luther in 1517; complained about the corruption of the Church. |
| Leo X | Pope who sold indulgences through Tetzel for the St. Peter's Basilica, excommunicated Luther. |
| Johann Eck | Defeated Luther in the Leipzig Debate, and forced him to think beyond indulgences. |
| 3 Pamphlets | Created by Luther to secure his life. |
| Address to the Nobility of German Nation | Tried to convince nobles to build a new Church. |
| Babylonian Captivity of the Church | Criticized the way of the Church; said the Church held your spiritual experience captive. |
| Freedom of the Christian Man | Doctrine of salvation. |
| Diet of Worms | Charles V tried to make it political; he tried to make Luther recant so he can show that he's on the pope's side and so the pope can bless his nation and Leo X can centralize it. |
| Frederick of Saxony | Offered protection to Luther because he was exiled by Charles because he didn't recant. He did this because he wanted to reduce Charles's power. |
| Peace of Augsburg | 1555 agreement declaring that the religion of each German state would be decided by its ruler |
| Schmalkadic League | group of Lutheran noblemen that defended themselves against Charles V, A defensive alliance formed by several German princes, Northern German Princes who were converted to Lutherism |
| Against Robbing and Murdering Hordes of Peasants | Told nobles to kill peasants, to try and get nobles on Luther's side. |
| Marburg Colloquy | (1529) The Protestants failed to make an alliance or agreement with the Lutherans, "shattering of Protestantism" |