Built at Chatham Dockyard, "Temeraire" entered naval service on the Brest blockade with the Channel Fleet. Missions were tedious and seldom relieved by any action with the French fleet. The first incident of note came when several of her crew, hearing rumours they were to be sent to the West Indies at a time when peace with France seemed imminent, refused to obey orders. This act of mutiny eventually failed and a number of those responsible were tried and executed. Laid up during the Peace of Amiens, "Temeraire" returned to active service with the resumption of the wars with France, again serving with the Channel Fleet, and joined Horatio Nelson's blockade of the Franco-Spanish fleet in Cadiz in 1805. At the Battle of Trafalgar on 21 October, the ship went into action immediately astern of Nelson's flagship, . During the battle "Temeraire" came to the rescue of the beleaguered "Victory", and fought and captured two French ships, winning public renown in Britain.