Europe [[File:Dampfschiff Uri in Luzern.JPG|thumb|Lake Lucerne side-wheel paddle steamer ']] thumb|Steamboat Ilma in Helsinki in 1942 Built in 1856, PS Skibladner is the oldest steamship still in operation, serving towns along lake Mjøsa in Norway.
Europe [[FileDampfschiff Uri in Luzern.JPG|thumb|Lake Lucerne side-wheel paddle steamer ']] :thumb|Steamboat Ilma in Helsinki in 1942 Built in 1856, PS Skibladner is the oldest steamship still in operation, serving towns along lake Mjøsa in Norway.