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The naval Battle of Lagos between Britain and France took place over two days, on 18 and 19 August 1759, during the Seven Years' War off the coasts of Spain and Portugal, and is named after Lagos, Portugal. For the British, it was part of the Annus Mirabilis of 1759.
The ministers of King Louis XV of France drew up plans to invade Britain in 1759, during the Seven Years' War. An army had been collected at Vannes, in the south-east of Brittany, and transports had been brought together in the landlocked waters of the Morbihan which are connected with Quiberon Bay. The scheme of the French ministers was to combine twenty-one ships of the line lying at Brest under the command of de Conflans, with twelve which were to be brought round from Toulon by de la Clue. The army was then to be carried to some point on the coast of England or Scotland by the united squadrons.
The task of blockading de la Clue at Toulon was given to Admiral Edward Boscawen, who had with him fourteen sail of the line. Boscawen reached his station on 16 May 1759. At the beginning of July want of stores and water, together with the injury inflicted on some of his vessels by a French battery, compelled him to go to Gibraltar to provision and refit. He reached the port on 4 August. On 5 August de la Clue left Toulon, and on 17 August passed the straits of Gibraltar, where he was sighted by the look-out ships of Boscawen.
The British fleet hurried out to sea, and pursued in two divisions, separated by a distance of some miles owing to the haste with which they left port. During the night of 17/18 August five of de la Clue's ships lost sight of his flagship, and steered for Cadiz. The other seven, which had been delayed for a time in the hope of rejoining their consorts, were overtaken by Boscawen and attacked in the afternoon of 18 August. One, the 74-gun Centaure, was captured after a very gallant resistance, in which the British flagship Namur was severely damaged. Boscawen transferred to Newark.
During the night of 18/19 August, two of the French ships (Souverain and Guerrier) altered course to the west, and escaped. The remaining four fled to the north, and into Portuguese waters near Lagos, where Océan, de la Clue's flagship, and Redoutable were driven ashore and destroyed, while Téméraire and Modeste were captured.
De la Clue was seriously wounded, and carried ashore in Portugal. The five ships in Cadiz were blockaded by Boscawen's second-in-command, Admiral Broderick.
Although the defeat of the French squadron ruined an integral part of their scheme to invade the British Isles, the French decided to persevere with their attack. The scheme was finally put to rest in November after the French naval defeat at the Battle of Quiberon Bay.
After refitting, several of Boscawen's victorious Mediterranean ships were sent to join Admiral Hawke's fleet off Ushant, and five were with Hawke when he destroyed the Brest fleet at the Battle of Quiberon Bay.
A young slave named Olaudah Equiano, who would eventually become a prominent abolitionist in England, participated in the engagement on the English side. He included an account of the battle in his autobiography, The Interesting Narrative of the Life of Olaudah Equiano.
Order of battle
Namur 90 (flag)
St Albans 64
Princess Louisa 60
There were also 14 other smaller British ships present - the 40-gun Ambuscade and Rainbow, the 36-gun Shannon and Active, the 32-gun Thetis, five 24-gun Sixth Rates Lyme, Gibraltar, Glasgow, Sheerness and Tartar's Prize, two 16-gun sloops Favourite and Gramont and two 8-gun fireships Aetna and Salamander.
Océan 80 (flag) - Aground and burnt August 19
Téméraire 74 - Captured August 19
Modeste 64 - Captured August 19
Redoutable 74 - Aground and burnt August 19
Souverain 74 - escaped
Guerrier 74 - escaped
Centaure 74 - Captured August 18
- Beatson. Naval and Military Memoirs of Great Britain, vol. ii. p. 321 et seq.
- Clowes, W.L. (ed.). The Royal Navy; A History, from the Earliest Times to the Present, Volume III. (London 1898).
- Jenkins, E.H. A History of the French Navy (London 1973).
- Marcus, G. Quiberon Bay; The Campaign in Home Waters, 1759 (London, 1960).
- Troude. Batailles navales de la France, vol. i. p. 379 et seq.
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). Encyclopædia Britannica (11th ed.). Cambridge University Press.