Vicente Bacallar y Sanna, 1st Marquess of San Felipe, later italianized into Vincenzo Bacallar Sanna (Cagliari – Sardinia, island now belonging to Italy), 6 February 1669 – The Hague (Netherlands), 11 June 1726). He was a Sardinian nobleman, military officer, linguist, historian, politician and ambassador of the Spanish Empire. He was born to a noble Sardinian family when the kingdom of Sardinia was part of the Spanish crown. Biography He belonged to a noble Sardinian family originating from Valencia. When he was young, he probably fled to Spain, where he got an attentive military and policy education. He was appointed by Charles II of Spain governor of the Cape of Cagliari and Gallura and military governor of Sardinia. During the war of the Spanish succession, when Sardinian aristocracy divided between Philip of Anjou (of the house of Bourbon) and Charles of Habsburg, Bacallar was loyal to the heir designated by Carles II, Philip of Anjou, who became king as Philip V. Due to his loyalty, the king awarded him as Marquess of San Felipe (Marqués de San Felipe, in Spanish; not a feudal title, but given in homage to the king's patron saint) and Viscount of Fuentehermosa (Fuente Hermosa de Miranda, fief in the kingdom of Navarre) in 1709. When the kingdom of Sardinia surrendered to Archduke Charles, he had to fly to Spain, without giving up the hope to re-conquer Sardinia. The treaty of Utrecht (1714), where he had been part of the Spanish delegation, decided for Sardinia to be part of the Austrian crown. Aftermath he was appointed as an envoy plenipotentiary at the republic of Genoa, from where he supported the attempt by cardinal Alberoni to re-conquer Sardinia to the Spanish crown. The island was actually conquered in 1717, but had to be left in 1720 (War of the Quadruple Alliance) and was acquired by the Dukes of Savoy. Meanwhile, Vicente Bacallar dedicated to a strong intellectual activity: in 1713 he founded – with other intellectuals – the Real Academia Española, where he hold the seat N and cooperated to its first dictionary, that would be published in 1726. He wrote the short poem Las Tobias (The Tobies, 1709), the poem El Palacio de Momo (Momo's Palace, 1714), the treaty Monarchia Hebrea (The Hebrew Monarchy, 1719) and historical works, such as Description geographique, historique et politique du royaume de Sardaigne (Geographical, historical and political description of the