John Beaufort, Marquess of Dorset and "Earl of Dorset", courtesy titles granted to the Beaufort heir-apparent or heir-presumptive. These titles were not recognized by King Edward IV, of the House of York. John had been in exile since 1461, first in Burgundy and then France. When Henry VI of Lancaster reclaimed the throne in October 1470, John returned with his brother Edmund. But a few months later, Henry was driven from the throne again, and the Lancastrians were on the run. John was killed in the Battle of Tewkesbury on 4 May 1471, while fighting beside Edmund, who was captured and beheaded two days later.
Pêro Escobar Pêro Escobar Pedro Escobar, also known as Pêro Escobar, was a 15th-century Portuguese navigator who discovered São Tomé (December 21, 1471), Annobon (January 1, 1472), Príncipe (January 17, 1472) islands, together with João de Santarém c. 1470. He is then recorded sailing with Diogo Cão on his first voyage in 1482, and as the pilot of the famous Bérrio caravel on Vasco da Gama’s first expedition in 1497 to sail directly from Europe to India. He was also on Pedro Álvares Cabral’s discovery of Brazil in 1500. In 1471, working in the service of Lisbon merchant Fernão Gomes, who had