| Term | Definition |
| Calvanists | people that followed the teachings of John Calvin |
| indulgence | a pardon |
| Reformation | a movement for religious reform |
| predestination | previous determination as if by destiny or fate |
| Huguenots | Calvin's followers in France |
| Protestant | applied to all Christians who belonged to non-catholic churches; protested against the Church |
| Lutherans | a seperate religious group of Luther's followers |
| Presbyterians | followers of John Knox |
| Anabaptists | believed that baptized people should be those who are old enough to decide to be a Christian. |
| Edict of Nantes | document that granted religious freedom to the Huguenots |
| Peace of Augsburg | said that each ruler would decide the religion of his state; ends 30 Years War |
| Council of Trent | catholic bishops and cardinals agree on several doctrines. |
| Spanish Armada | the great fleet sent from Spain against England by Philip II in 1588 |
| Martin Luther | a monk and teacher that wanted full reform of the church |
| John Calvin | took Luther's idea that humans cannot earn salvation and went on to say that God chooses very few people to save. |
| Henry VIII | English king that left the catholic church and started the Church of England |