 Neither ship had a particularly eventful career . They were completed too late to take part in the final stages of the wars of Italian unification . Instead , they were assigned to the Italian colonial empire , with occasional <unk> in the main Italian fleet . In 1880 , Palestro took part in a naval demonstration off <unk> in an attempt to force the Ottoman Empire to comply with the terms of the Treaty of Berlin and turn over the town of <unk> to Montenegro . The following year , Principe Amedeo was involved in a collision with the ironclad <unk> during a hurricane , though neither ship was damaged . 
