Battle of Trafalgar
The Battle of Trafalgar (21 October 1805) was a naval engagement fought by the British Royal Navy against the combined fleets of the French and Spanish Navies, during the War of the Third Coalition (August–December 1805) of the Napoleonic Wars (1796–1815).
Trafalgar-class submarine
The "Trafalgar" class were designed in the early 1970s during the Cold War as a refinement of the preceding "Swiftsure" class. Including , the "Trafalgar" class are the fifth class of nuclear-powered fleet submarines to enter service with the Royal Navy. The first of the class, HMS "Trafalgar", was ordered on 7 April 1977 and completed in 1983. The last, HMS "Triumph", was ordered on 3 January 1986 and completed in 1991. All seven boats of the class were built and completed by Vickers Shipbuilding and Engineering at the Barrow-in-Furness shipyard.