The peace negotiations were after initial talks held in the cities of Münster and Osnabrück, an alternative favoured by the Swedes (Hamburg and [[Köln]] being the French alternatives).
The results of the treaty were wide ranging. Among other things, the Netherlands gained independence from Spain, and Sweden gained Pomerania, Wismar? and Bremen-Verden. The power of the German Emperor was broken, and freedom of religion was imposed in the whole of Germany. Two new great powers arose from this peace: Sweden and France.
It is often said that the Peace of Westphalia initiated the modern fashion of diplomacy?.
The Peace of Westphalia is commonly considered as marking the beginning of the modern system of nation-states.