On Mon. 19 Feb 1940 German submarine U-23, commanded by Kapit_nleutnan.....
German submarine U-23, commanded by Kapit_nleutnant Otto Kretschmer, torpedoed and sank Britisher steamer Tiberton east of the Orkney Islands, Scotland at 0405 hours. Tiberton sank in 30 seconds, taking the lives of the entire crew of 30.