Battle of Cape St. Vincent (1833) Battle of Cape St. Vincent (1833) The fourth Battle of Cape St Vincent was fought on 5 July 1833 and was a decisive encounter in Portugal's Liberal Wars. A naval squadron commanded by the British officer Charles Napier, on behalf of Dom Pedro IV, regent for the rightful Queen Maria II, defeated the navy of the usurper Dom Miguel. While serving in the Azores, Napier had come to know members of the exiled Portuguese liberals, who had offered him command of the small fleet serving Dom Pedro, which largely consisted of a few old men-o'-war and some East Indiamen purchased
Cape Point causing them to approach too closely. Secondly, foggy conditions often prevail at the higher levels, making the older lighthouse invisible to shipping. On 18 April 1911, the Portuguese liner "Lusitania" was wrecked just south of Cape Point at on Bellows Rock for precisely this reason, prompting the relocation of the lighthouse. The new lighthouse, located at , cannot be seen from the West until ships are at a safe distance to the South. The light of the new Cape Point lighthouse is the most powerful on the South African coast, with a range of and an intensity of 10 megacandelas