We just learned about Puritanism.
Another part of early Christianity was the Thirty Years' War.
We've learned that some people started becoming Protestants and worshipping God in different churches like Lutheran or Anglican instead of Catholic churches.
Sometimes leaders of countries like kings or queens would disagree with this.
The Thirty Years War was from 1618 AD to 1648 AD, where some countries in Europe went to war over whether people should be Protestants or Catholics.
Even though they all believed in God, they fought for 30 years and over 8 million people died in this war.
(from: wikipedia - thirty years' war)
Kid Facts - Blast from the past: Christianity in Bulgaria
