Preußen (usually Preussen in English) was a German steel-hulled five-masted ship-riggedwindjammer built in 1902 for the F. Laeisz shipping company and named after the Germanstate and kingdom of Prussia. It was the world’s only ship of this class with five masts carrying six square sails on each mast. Until the 2000 launch of the Royal Clipper, a sail cruise liner, she was the only five-masted full-rigged ship ever built. Her homeport was Hamburg. read more…