There have been five ships in the Royal Navy to bear the name HMS Illustrious. The ship's motto is "Vox Non Incerta" which translates as "No Uncertain Sound".
HMS Africa was a 64-gun third-rate ship of the line of the Royal Navy, launched by William Barnard at Barnard's Thames Yard in Deptford on 11 April 1781.
HMS Royal Sovereign was a 100-gun first-rate ship of the line of the Royal Navy, which served as the flagship of Admiral Collingwood at the Battle of Trafalgar. She was the third of seven Royal Navy ships to bear the name. She was launched at Plymouth Dockyard on 11 September 1786, at a cost of £67,458, and was the only ship built to her design. Because of the high number of Northumbrians on board the crew were known as the Tars of the Tyne.
HMS Colossus was a 74-gun third-rate ship of the line of the Royal Navy, launched from Deptford Dockyard on 23 April 1803. She was designed by Sir John Henslow as one of the large class 74s, and was the name ship of her class, the other being Warspite. As a large 74, she carried 24 pdrs on her upper gun deck, as opposed to the 18 pdrs found on the middling and common class 74s. She took part in the Battle of Trafalgar, and was broken up in 1826.
HMS Thunderer was a ship of the line of the Royal Navy, built in 1783. She carried 74-guns, being classified as a third rate. During her service she took part in several prominent naval battles of the French Revolutionary Wars and the Napoleonic Wars; including the Glorious First of June, the Battle of Cape Finisterre and the Battle of Trafalgar.
HMS Mars was a 74-gun third-rate ship of the line of the Royal Navy, launched on 25 October 1794 at Deptford Dockyard.
Courageux was a 74-gun ship of the line of the French Navy, launched in 1753. She was captured by the Royal Navy in 1761 and taken into service as HMS Courageux. In 1778 she joined the Channel Fleet, and she was later part of the squadron commanded by Commodore Charles Fielding that controversially captured a Dutch convoy on 31 December 1779, in what became known as the Affair of Fielding and Bylandt. On 4 January 1781, Courageux recaptured Minerva in a close-range action west of Ushant that lasted more than an hour. That April, Courageux joined the convoy under George Darby which successfully relieved the Great Siege of Gibraltar.
HMS Captain was a 74-gun third-rate ship of the line of the Royal Navy, launched on 26 November 1787 at Limehouse. She served during the French revolutionary and Napoleonic Wars before being placed in harbour service in 1799. An accident caused her to burn and founder in 1813. Later that year she was raised and broken up.
HMS Berwick was a 74-gun Elizabeth-class third rate of the Royal Navy, launched at Portsmouth Dockyard on 18 April 1775, to a design by Sir Thomas Slade. She fought the French at the Battle of Ushant (1778) and the Dutch at the Battle of Dogger Bank (1781). The French captured her in the action of 8 March 1795 during the French Revolutionary Wars and she served with them with some success then and at the start of the Napoleonic Wars until the British recaptured her at the Battle of Trafalgar. Berwick sank shortly thereafter in a storm.
HMS Alexander was a 74-gun third-rate of the Royal Navy. She was launched at Deptford Dockyard on 8 October 1778. During her career she was captured by the French, and later recaptured by the British. She fought at the Nile in 1798, and was broken up in 1819. She was named after Alexander the Great.
HMS Impregnable was a Royal Navy 98-gun second rate ship of the line launched on 15 April 1786 at Deptford Dockyard. She was wrecked in 1799 off Spithead.
HMS Fortitude was a 74-gun third-rate ship of the line of the Royal Navy, built by John Randall & Co. and launched on 23 March 1780 at Rotherhithe.
HMS Atlas was a 98-gun second-rate ship of the line of the Royal Navy, launched on 13 February 1782. She was a Duke-class ship of the line built at Chatham Dockyard by Nicholas Phillips.
HMS Bedford was a Royal Navy 74-gun third rate. This ship of the line was launched on 27 October 1775 at Woolwich.
HMS Warrior was a 74-gun Alfred-class third-rate ship of the line of the Royal Navy, launched on 18 October 1781 at Portsmouth.
HMS Queen Charlotte was a 100-gun first-rate ship of the line of the Royal Navy, launched on 15 April 1790 at Chatham. She was built to the draught of Royal George designed by Sir Edward Hunt, though with a modified armament.
HMS Hero was a 74-gun third rate of the Royal Navy, launched on 18 August 1803 at Blackwall Yard.
HMS Ardent was a 64–gun third-rate ship of the line of the Royal Navy, launched on 9 April 1796 at Northfleet. She had been designed and laid down for the British East India Company who was going to name her Princess Royal, but the Navy purchased her before launching, for service as a warship in the French Revolutionary War.
HMS Genoa was a Téméraire-class 74-gun ship of the line laid down for the French Navy as Brillant which the British captured incomplete while still on slip at the fall of Genoa in 1814. She was completed for the Royal Navy and served as HMS Genoa until 1838. On 20 October 1827 Genoa took part in the Battle of Navarino where her captain Walter Bathurst was killed.
HMS Romulus was a 36-gun fifth rate frigate of the Flora class, built for the Royal Navy and launched in September 1785. At the outbreak of the French Revolutionary War, Romulus was despatched to the Mediterranean where she joined a fleet under Admiral Lord Hood, initially blockading, and later occupying, the port of Toulon. She played an active role during the withdrawal in December, providing covering fire while HMS Robust and HMS Leviathan removed allied troops from the waterfront.
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