I'm almost positive that it is the Reformation
It was more involved with Southern Europe then then the other churches. I'm learning this right now in world history.
They were both nuclear weapons, the amount of devastation these two created was unprecedented back then, not only did it kill plenty of innocent lives, but it scared the Japanese into surrendering and changed the way war worked for centuries
There is not much that they agreed on, and much of it is based on who you ask. They did however mutually agree that the US was different than other nations and that it was better.
