The Battle of Trancoso was fought in May of 1385 between Portugal and Castile. Following the coronation of João of Aviz, John I of Castile sent an army into Portugal in retaliation for Portuguese defiance. The Portuguese defeated this force. History of Portugal series Prehistoric Portugal Pre-Roman Portugal Roman Lusitania and Gallaecia Visigoths and Suevi Moorish rule and Reconquista First County of Portugal Kingdom of Galicia and Portugal Second County of Portugal Establishment of the Monarchy Consolidation of the Monarchy 1383–1385 Crisis Discoveries Portuguese Empire 1580 Crisis Iberian... Events August 14 - Battle of Aljubarrota between the Portuguese under John I of Portugal and the Castilians, under John I of Castile. ... The Flag of England The Kingdom of England was a kingdom located in Western Europe, in the southern part of the island of Great Britain. ... A former kingdom in modern-day Spain, Castile (Spanish: Castilla; usually pronounced Cast-EEL in English) now compromises the regions of Old Castile in the north-west, and New Castile in the center of the country. ... History of Portugal series Prehistoric Portugal Pre-Roman Portugal Roman Lusitania and Gallaecia Visigoths and Suevi Moorish rule and Reconquista First County of Portugal Kingdom of Galicia and Portugal Second County of Portugal Establishment of the Monarchy Consolidation of the Monarchy 1383–1385 Crisis Discoveries Portuguese Empire 1580 Crisis Iberian... The Battle of Atoleiros took place on 6 April 1384, between a Portuguese force and a punitive expedition from Castile sent by John I. The battle took place near the population centre of the same name in Alentejo. ... Battle of Aljubarrota Conflict 1383–1385 Crisis Date August 14, 1385 Place Near Aljubarrota, central Portugal Result Decisive Portuguese victory The Battle of Aljubarrota took place on August 14, 1385, between the Portuguese forces commanded by D. João I of Portugal and his general Nuno Alvares Pereira, and the Castilian... Events August 14 - Battle of Aljubarrota between the Portuguese under John I of Portugal and the Castilians, under John I of Castile. ... A former kingdom in modern-day Spain, Castile (Spanish: Castilla; usually pronounced Cast-EEL in English) now compromises the regions of Old Castile in the north-west, and New Castile in the center of the country. ... João I (pron. ... John I (August 24, 1358 – October 9, 1390) (in Spanish: Juan I) was the king of Castile, was the son of Henry II and of his wife Joan, daughter of John Manuel of Villena, head of a younger branch of the royal house of Castile. ...