Before Gutenberg's printing press was created, not many owned a Bible because not many could read. But when the printing press was created and the Bible was able to be mass-produced, people started to learn how to read, thus resulting in the flow of literacy and knowledge throughout Europe.
The three enlightened monarchs of the 18th century were: 1. Joseph II of the Holy Roman Empire 2. Catherine the Great of Russia 3. Frederick the Great of Prussia