There were also the Hussite Wars from 1419 to circa 1434 in which the Roman Catholic Church went to war against followers of Jan Hus, a priest, philosopher, and master at Charles University in Prague who had tried to reform the Church, condemning its sale of indulgences, which were the equivalent of a «get out of jail» card in the game of Monopoly in that the Church sold them as a means for believers to get out of Purgatory. (religion.blogs.cnn.com)
Today is Reformation Day, so called because on October 31, 1517, Dr. Martin Luther, an Augustinian monk and professor of Bible at the University of Wittenberg, posted his 95 Theses calling for a public debate on the sale of indulgences. (firstthings.com)
On the contrary, his pastoral worry about the sale of indulgences was that simple people were being misled into confusing the external remission of penalties with the crucifying inner grace that drives out self - seeking. (firstthings.com)