This concept map about Martin Luther and the Protestant Reformation explains in a simple and structured way the causes of the Catholic Church’s crisis in the 16th century and the origins of the Reformation. The map covers the sale of indulgences, Luther’s criticism of corruption within the Church, the 95 Theses of 1517, his excommunication, the Diet of Worms and the Peasants’ Revolt. It also presents the main ideas of the Protestant Reformation, the rise of Protestantism and the conflict between Charles V and the Protestant princes, which ended with the Peace of Augsburg in 1555. A useful study guide and summary for students.