Pope Alexander VII place in two cities, Osnabrück and Münster in Westphalia, with intermediaries travelling back and forth between the Protestant and the Catholic delegates. Chigi, of course, protested on behalf of the Papacy, when the treaties were finally completed, against the Treaty of Westphalia once the instruments were finally completed. Pope Innocent himself stated that the Peace "is null, void, invalid, unjust, damnable, reprobate, inane, empty of meaning and effect for all time." The Peace ended the Thirty Years' War (1618–1648) and established the balance of European power that lasted until the wars of the French Revolution (1789). Pope Innocent X (1644–1655)
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