8th February 1904: Russo-Japanese War triggered by Japanese torpedo attack on Port Arthur
The Battle of Port Arthur in color 1904
The Battle of Port Arthur of Monday 8 February – Tuesday 9 February 1904 marked the commencement of the Russo-Japanese War. It began with a surprise night attack by a squadron of Japanese destroyers on the Russian fleet anchored at Port Arthur, Manchuria, and continued with an engagement of major surface combatants the following morning; further skirmishing off Port Arthur would continue until May 1904. The battle ended inconclusively, though the war resulted in a decisive Japanese victory.