How many theses were nailed to a church door by Martin Luther in 1517 (generally accepted to be the Castle Church in Wittenberg, Germany, on All Saints Eve, 31 October)?
95 "95 Theses on the Power and Efficacy of Indulgences", written by Martin Luther in 1517, is widely regarded as the primary catalyst for the Protestant Reformation.
When Martin Luther sent a scholarly treatise to his Bishop, which later became popularised as nailing his ideas to a church door in Wittenberg, the treatise became known as what?