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 Day
On 21 October each year the commissioned officers of the Royal Navy celebrate the victory at the Battle of Trafalgar by holding a Trafalgar Night dinner in the Officer's Mess.