The Historical Evolution of International Order. The Dynastic System, 1300-1700. The Balance-of-Power System, 1700-1815. The Concert of Europe, 1815-1854. The Revived Concert, 1871-1914. The First Liberal System, 1919-1939. Liberal Order and Cold War, 1945-1989. International Order in the Post–Cold War World. What Future for Liberal Order?