Suggest why Martin Luther’s 1517 protest over the sale of indulgences had, by the 1540s, led to the foundation of distinct Protest denominations in many areas of Europe. In this essay I will examine the fundamental role Martin Luther played in the protestant reformation. Primarily, I will analyse the role Martin Luther played in this movement and how his protest over the sale of indulgences resulted in a significant change in the history of Christianity. In addition, I will focus on the expansion