Sebastian, King of Portugal
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Sebastian was King of Portugal from 11 June 1557 to 4 August 1578 and the penultimate Portuguese monarch of the House of Aviz.
Portrait of Sebastian of Portugal; Alonso Sanches Coelho, 1562.
Portrait of D. Sebastian of Portugal; Cristóvão de Morais, 1572.
Portrait by Alonso Sanches Coelho, c. 1574–78
House of Aviz
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The House of Aviz, also known as the Joanine Dynasty, was a dynasty of Portuguese origin which flourished during the Renaissance and the period of the Portuguese discoveries, when Portugal expanded its power globally.
The House of Aviz became Portugal's reigning dynasty following the Battle of Aljubarrota in 1385.
Prince Henry the Navigator, famed leader of the Age of Discoveries and prince of the House of Aviz.
The death of King Sebastian I of Portugal at the Battle of Alcácer Quibir in 1578 led to the Portuguese succession crisis of 1580.