The Battle of Tsushima (Russian: Цусимское сражение, Tsusimskoye srazheniye), also known in Japan as the Battle of the Sea of Japan (Japanese: 日本海海戦, Hepburn: Nihonkai kaisen), was the final naval battle of the Russo-Japanese War, fought on 27–28 May 1905 in the Tsushima Strait. A devastating defeat for the Imperial Russian Navy, the battle was the only decisive engagement ever fought between mode