H. M. S. Victory is the oldest commissioned ship of war in the world having been in continous service for over 200 years. Complete details can be found at http://www.hms-victory.com/index.php?option=com_frontpage&Itemid=1. This is the official web site for HMS Victory . She was launched in 1765 and commissioned in 1778. At the battle of Trafalgar she served as Lord Horatio Nelson's flagship. It was on Victory that Nelson succumbed to wounds received at Trafalgar as the British Navy defeated the Napoleonic fleet.