Louis XIV of France the war with a French victory, in order to establish a lasting peace between the Catholic nations. The Queen also gave a partial Catholic orientation to French foreign policy. This was felt by the Netherlands, France's Protestant ally, which negotiated a separate peace with Spain in 1648. In 1648, Anne and Mazarin successfully negotiated the Peace of Westphalia, which ended the Thirty Years' War in Germany. Its terms ensured Dutch independence from Spain, awarded some autonomy to the various German princes of the Holy Roman Empire, and granted Sweden seats on the Imperial Diet and territories to control the mouths
Stralsund Treaty of Stettin (1630), the town became one of two major Swedish forts in the Duchy of Pomerania, alongside Stettin (now Szczecin, Poland). After the war, the Peace of Westphalia (1648) and the Treaty of Stettin (1653) made Stralsund part of Swedish Pomerania. Lost to Brandenburg in the Battle of Stralsund (1678), it reverted to Sweden in the Treaty of Saint-Germain-en-Laye (1679). In the Great Northern War in 1715 Charles XII led the defence of Stralsund for a year against the united European armies. Stralsund remained under Swedish control until the Battle of Stralsund (1807), when Napoleon Bonaparte's army occupied