If you've been in the Church long, you've probably heard of the 95 Theses. They got Martin Luther excommunicated from the Catholic Church, and started the Protestant Reformation. But what are the 95 Theses? Why did Luther post the 95 Theses? This video from Ryan Reeves explains them and the start of the Reformation.

If interested in more on Martin Luther, watch these videos from Ryan Reeves: 
1. Luther's Breakthrough on Jusification
2. How Did Luther Change His Mind?

Ryan M. Reeves (PhD Cambridge) is Assistant Professor of Historical Theology at Gordon-Conwell Theological Seminary.