1. In 1648 the Peace of Westphalia ended the 30 Years War.

2. 1648 - The Peace of Westphalia is signed, marking the end of the Thirty Years' War.

3. October 24, 1648, The Peace of Westphalia is signed, marking the end of the Thirty Years' War.

4. The Peace of Westphalia ('48) marked the end of the Thirty Years' War.

5. After the 30 year War in Europe, many countries signed the "The Peace of Westphalia".

6. The modern state system evolved from the idea of national sovereignty established by the Peace of Westphalia in 1648.

7. The number of territories was amazingly large, rising to several hundreds at the time of the Peace of Westphalia .