Going further back, the Protestant Reformation was enabled by the spread of the printing press. In its wake, the 30 Years War. Upon utter exhaustion of the parties involved, the Peace of Westphalia set the stage for the modern nation states.
And an often passed over part of the Protestant Reformation is that it was fueled by rabid anti-Semitism and scapegoating. Martin Luther wrote a 65,000 word treatise called “On the Jews and their Lies” that’s widely considered to have been the basis for Nazi ideology:
