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 Athens Treaty of Athens The Treaty of Athens between the Ottoman Empire and the Kingdom of Greece, signed on 14 November 1913, formally ended hostilities between them after the two Balkan Wars and ceded Macedonia—including the major city of Thessaloniki—, most of Epirus, and many Aegean islands to Greece. In the First Balkan War, the coalition of Bulgaria, Serbia, Greece and Montenegro defeated the Ottoman Empire. The Ottomans lost nearly all their European possessions, which were reduced to a small amount of territory around the Sea of Marmara by the Treaty of London. The Ottomans however were able to recover Eastern