War on the frontiers of Austria-Hungary -- in the Balkans and in Italy. Allied troops in Greece establish the Macedonian Front but do not advance, the Central Powers occupy Romania. Allied intervention brings Greece to their side. Austrian and German troops breach the Italian front and stop just short of Venice, but Austrian next assault at the Piave fails. Allies breach the Macedonian Front, Bulgaria capitulates. Czechoslovakia and South Slavs declare independence, Italy captures Vittorio Veneto, Austria-Hungary capitulates and dissolves.