Italy did not fight for the Triple Alliance, despite promises to Germany and Austria-Hungary, in 1914, when World War I started. In 1915, Italy joined the Triple Entente to take part of Austria-Hungary. Italian irredentism wanted the province of Trento ("Trentino"), the port of Trieste and the province of Bolzano-Bozen ("Alto Adige/Südtirol"), Istria, and Dalmatia.