The Peace of Westphalia was a series of peace treaties signed between 1648 and 1649 that ended the Thirty Years' War in Europe.

The principle of cuius regio, eius religio allowed each German prince to determine the religion of his subjects.

The Peace of Westphalia marked the end of the Holy Roman Empire as a major European power.

The main provisions of the Peace of Westphalia were the end of the Thirty Years' War, the establishment of the principle of cuius regio, eius religio, and the end of the Holy Roman Empire as a major European power.

The Peace of Westphalia was significant because it ended one of the longest and most destructive wars in European history, established the principle of religious toleration, and marked the end of the Holy Roman Empire as a major European power.

England was not a signatory to the Peace of Westphalia.

Axel Oxenstierna was the Swedish chancellor who played a key role in negotiating the Peace of Westphalia.

Hugues de Lionne was the French diplomat who played a key role in negotiating the Peace of Westphalia.

The peace negotiations for the Peace of Westphalia were held in both Osnabrück and Münster.

The negotiations for the Peace of Westphalia lasted for three years.

Two treaties were signed as part of the Peace of Westphalia.

The Treaty of Osnabrück was signed between the Holy Roman Empire and Sweden.

The Treaty of Münster was signed between the Holy Roman Empire and France.

The Peace of Westphalia had a profound impact on the development of the modern state system. It established the principle of state sovereignty, led to the rise of nation-states, and laid the foundation for the modern international order.

The Peace of Westphalia is considered to be one of the most important events in European history because it ended one of the longest and most destructive wars in European history, established the principle of religious toleration, and marked the end of the Holy Roman Empire as a major European power.