Before revision: Oskar : AKA "Unsinkable Sam " Was a ship's cat that was supposed to have survived the sinking of 3 ships during WWII , The Bismarck on 27th May 1941, HMS Cossack on 27th Oct 1941 and finally HMS Ark Royal on 14th Nov 1941.
After revision: Oskar , later known as "Unsinkable Sam " was a ship's cat that was supposed to have survived the sinking of three ships during WWII : the German Bismarck on 27th May 1941, HMS Cossack on 27th October, 1941 and finally HMS Ark Royal on 14th November,,,, 1941.