Year 1471 (MCDLXXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events January–December January – Portuguese navigators João de Santarém and Pedro Escobar reach the gold-trading centre of Elmina on the Gold Coast of west Africa. and explore Cape St. Catherine, two degrees south of the equator, so that they begin to be guided by the Southern Cross constellation. They also visit Sassandra on the Ivory Coast. March 1 – Emperor Lê Thánh Tông captures the Champa capital, establishing new regions in middle Vietnam. March – The Yorkist King Edward IV returns to England to reclaim his throne. April 14 – Battle of Barnet: Edward defeats the Lancastrian army under Warwick, who is killed. May 4 – Battle of Tewkesbury: King Edward defeats a Lancastrian army under Queen Margaret and her son, Edward of Westminster the Prince of Wales, who is killed. May 21 – King Edward IV celebrates his victories with a triumphal parade on his return to London. The captured Queen Margaret is paraded through the streets. The same day Henry VI of England is murdered in the Tower of London, eliminating all Lancastrian opposition to the House of York. July 14 – Battle of Shelon: The forces of Muscovy defeat the Republic of Novgorod. August 9 – Pope Sixtus IV succeeds Pope Paul II, to become the 212th pope. August 24 – King Afonso V of Portugal conquers the Moroccan town of Arzila. August 29 – The Portuguese occupy Tangier, after its population flees the city. October 10 – Battle of Brunkeberg in Stockholm, Sweden: The forces of Regent of Sweden Sten Sture the Elder, with the help of farmers and miners, repel an attack by Christian I, King of Denmark. December 21 – The islands of São Tomé and Príncipe are discovered by Portuguese navigators João de Santarém and Pedro Escobar. Date unknown Pachacuti Inca Yupanqui of the Inca Empire dies, and is succeeded by his son Topa Inca Yupanqui. Moorish exiles from Spain, led by Moulay Ali Ben Moussa Ben Rached El Alami, found the city of Chefchaouen in the north of Morocco. Marsilio Ficino's translation of the Corpus Hermeticum into Latin, De potestate et sapientia Dei, is published. World population reaches 500 million. Births April 6 – Margaret of Hanau-Münzenberg, German noblewoman (d. 1503) May 21 – Albrecht Dürer, German artist, writer and mathematician (d.