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)
Peace of Münster for approval; it was ratified by the Spanish and Dutch delegations on 15 May, with the States General narrowly approving the Treaty on 5 June 1648. The Peace of Münster together with the Treaty of Münster between the Holy Roman Emperor, France and their allies and the Treaty of Osnabrück involving the Holy Roman Empire, Sweden and their allies were collectively known as the Peace of Westphalia. While European conflict continued, this marks a significant point in the transition to sovereignty based on states rather than individuals e.g. the Hapsburgs. Sovereignty has been defined by historian Harry Hinsley as "the