During its the Danish period, Schleswig and Holstein were conquered, then handed back to  Christian IV via the Treaty of Lubeck.
This engagement began with the transfer of the control of Bohemia to ten governors, of whom seven  were Catholic. During its the Danish period, Schleswig and Holstein were conquered, then handed back to  Christian IV via the Treaty of Lubeck. Tilly and Wallenstein were opposed by Gustavus Adolphus, who  entered the war to protect the Protestants, but was killed at the Battle of Lutzen. All these events transpired during, FTP, what war, ended by the Treaty of Westphalia in 1648?
This engagement began with the transfer of the control of Bohemia to ten governors, of whom seven  were Catholic.
the Thirty Years’ War