For 10 points, name this lengthy conflict that ended with the Peace of Westphalia.
During this war, the Edict of Restitution was issued by Emperor Ferdinand II. Its early phases saw fighting between Count Mansfeld and Count Bucquoy. One participant in this war was advised by Axel Oxenstierna, won the Battle of Breitenfield, and was killed at the Battle of Lutzen. This conflict began with the Bohemian Revolt, and saw "interventions" by Denmark, Sweden, and France. Generals in this war included Tilly, Wallenstein, and King Gustavus Adolphus of Sweden. For 10 points, name this lengthy conflict that ended with the Peace of Westphalia.
During this war, the Edict of Restitution was issued by Emperor Ferdinand II.
Thirty Years' War