Saint Helena has a known history of over 500 years since its recorded discovery by the Portuguese in 1502. Claiming to be Britain's second oldest colony, after Bermuda, this is one of the most remote settlements in the world and was for several centuries of vital strategic importance to ships sailing to Europe from Asia and South Africa. Since the early 19th century, the British occasionally used the island as a place of exile, most notably for Napoleon Bonaparte, Dinuzulu kaCetshwayo and over 5,000 Boer prisoners. Discovery and early years, 1502–1658 By long tradition the island was sighted on 21 May 1502 by the four ships of the 3rd Portuguese Armada commanded by Galician navigator João da Nova during the return voyage to Lisbon, and that he named it Santa Helena after Saint Helena of Constantinople. This tradition has been reviewed by a 2022 paper which concluded the Portuguese chronicles published at least 50 years later, are the sole primary source to the discovery. Although contradictory in describing other events, these chronicles almost unanimously claim João da Nova found St Helena sometime in 1502, although none quote the precise date. However, there are several reasons for doubting da Nova made this discovery. First, given that da Nova either returned on 11 September or 13 September 1502 it is usually assumed the Cantino planisphere completed by the following November includes his discovery of Ascension Island (shown as an archipelago with one of six islands marked as “ilha achada e chamada Ascenssam”), yet this map fails to show St Helena. Second, when a section of the Fourth Armada under the command of Estêvão da Gama sighted and landed at St Helena the following year on 30 July 1503 its scrivener Thomé Lopes regarded it as an unknown island yet named Ascension as one of five reference points to the new island’s location. On 12 July 1502, nearly three weeks before reaching St Helena, Lopes described how Estêvão da Gama’s ships met up with a section of the Fifth Armada led by Afonso de Albuquerque off the Cape of Good Hope. The latter left Lisbon about six months after João da Nova’s return so Albuquerque and his captains should all have known whether João da Nova had indeed found St Helena. An anonymous Flemish traveler on one of da Gama's ships reporting that bread and victuals were running short by the time they