In 1851, a Bavarian artillery corporal, Wilhelm Bauer, took a submarine designed by him called the Brandtaucher (fire-diver) to sea in Kiel Harbour.
En 1851 Wilhelm Bauer, un cabo de artillaría bávaro, botou un submarino deseñado por el chamado Brandtaucher ("mergullador incendiario") na baía de Kiel.