In the late 19th century, the German Imperial Navy (Kaiserliche Marine) experimented with a variety of cruiser types, including small avisos and larger protected cruisers. Due to budget constraints, the navy was unable to build cruisers designed solely for fleet service or for overseas duties. As a result, the naval construction department attempted to design vessels that could fulfill both roles. The protected cruisers, the first of which were the two Irene-class vessels, were laid down starting in 1886. The protected cruisers evolved into more powerful vessels, culminating in Fürst Bismarck, Germany's first armored cruiser. Fürst Bismarck was laid down in 1896, a decade after the first German protected cruiser.