Battle of Cape St. Vincent (1337) Battle of Cape St. Vincent (1337) The Battle of Cape St Vincent of 1337 took place on 21 July 1337 between a Castilian fleet commanded by Alfonso Jofre Tenorio and a Portuguese fleet led by the Luso-Genoese admiral Emanuele Pessagno (Manuel Pessanha). The fledgling Portuguese fleet was defeated, bringing a quick end to the brief Luso-Castilian war that begun in 1336. In 1328, the Alfonso XI of Castile married his cousin, Maria of Portugal, a daughter of his maternal uncle King Afonso IV of Portugal. But the marriage soon turned to scandal, when, shortly after, Alfonso XI dispatched Mary to
John Jervis, 1st Earl of St Vincent John Jervis, 1st Earl of St Vincent Admiral of the Fleet John Jervis, 1st Earl of St Vincent (9 January 1735 – 14 March 1823) was an admiral in the Royal Navy and Member of Parliament in the United Kingdom. Jervis served throughout the latter half of the 18th century and into the 19th, and was an active commander during the Seven Years' War, American War of Independence, French Revolutionary War and the Napoleonic Wars. He is best known for his victory at the 1797 Battle of Cape Saint Vincent, from which he earned his titles, and as a patron