International relations, 1648–1814 and cultural achievement. Historian Frederick Nussbaum says it was: The worst came during the Thirty Years' War, 1618–1648, which had an extremely negative impact on the civilian population of Germany and surrounding areas, with massive loss of life and disruption of the economy and society. Scholars taking a "realist" perspective on wars and diplomacy have emphasized the Peace of Westphalia (1648) as a dividing line. It ended the Thirty Years War (1618–1648), where religion and ideology had been powerful motivating forces for warfare. Westphalia, in the realist view, ushered in a new international system of sovereign states of roughly equal
Treaty of Belgrade Treaty of Belgrade The Treaty of Belgrade, known as the Belgrade peace was the peace treaty signed on September 18, 1739 in Belgrade, Habsburg Kingdom of Serbia (today Serbia), by the Ottoman Empire on one side and the Habsburg Monarchy on the other, that ended the Austro–Turkish War (1737–39). This treaty ended the hostilities of the five-year Austro-Russian–Turkish War (1735–39), in which the Habsburgs joined Imperial Russia in its fight against the Ottomans. Austria was defeated by the Turks at Grocka and signed a separate treaty in Belgrade with the Ottoman Empire on August 21, probably being alarmed at the