HMS Colossus (1787)

HMS Colossus was a 74-gun third-rate ship of the line of the Royal Navy, launched at Gravesend on 4 April 1787 and wrecked on 10 December 1798. During a decade of service she fought in several major fleet engagements of the French Revolutionary Wars and participated in the Battle of Groix, the Battle of Cape St Vincent, and the Battle of the Nile. She was lost while returning to Britain carrying wounded personnel and cargo recovered after Mediterranean operations.

The ship took part in campaigns in the Atlantic and Mediterranean under senior commanders. After later duties that included convoy escort and cruising assignments, she was ordered home, transferring supplies to other vessels before departing with wounded sailors and a cargo that included antiquities collected by diplomat Sir William Hamilton. Severe winter weather forced her to seek shelter near the Isles of Scilly, where she grounded on submerged rocks; all but one of her crew survived.

The wreck lay undisturbed until its rediscovery in the late 20th century, when divers recovered artefacts later conserved and displayed in institutions such as the British Museum. The site is now a legally protected wreck administered by Historic England, and archaeological surveys have continued to document the remains, study the sinking, and conserve evidence from the vessel and its final voyage.