The Battle of Alcântara took place on 25 August 1580, near the brook of Alcântara, in the vicinity of Lisbon, Portugal, and was a victory of the Habsburg King Philip II over the other pretender to the

Dom João I of Braganza was the 6th Duke of Braganza and 1st Duke of Barcelos, among other titles. He is known for pushing the claims of his wife, Infanta Catherine of Portugal, to the throne of Portug