The Battle of Berlengas was fought in 1666, between the Portuguese defenders of the Fort São João Baptista and a Spanish fleet commanded by Diego de Ibarra. The fleet, which had destroyed Portuguese fisheries, bombarded towns and cut off supplies in one month as part of its onslaught, proceeded to storm the fort on the Berlingas. The fort was destroyed and the entire garrison were captured.
The fort was rebuilt more than one hundred years ago after the battle had occurred.[clarification needed]
Fernández Duro, Cesáreo: Armada española desde la unión de los reinos de Castilla y de León, Vol.5. Est. tipográfico "Sucesores de Rivadeneyra", (1899)
Brown, Rawdon & Cavendish, George: Calendar of state papers and manuscripts relating, to English affairs, existing in the archives and collections of Venice: and in other libraries of northern Italy, Vol.35. H.M. Stationery office, 1935