Original: The Peace of Westphalia treaties involved the Holy Roman Emperor , Ferdinand III of the House of Habsburg , the Kingdoms of Spain , France , Sweden , the Dutch Republic , the Princes of the Holy Roman Empire , and sovereigns of the Free imperial cities and can be denoted by two major events .
Simplified: Christians living in principalities where their denomination was not the established church were guaranteed the right to practice their faith in public during allotted hours and in private at their will .