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Information about reign: Dom Sebastião I (King Sebastião I)

CountryPortugal, Kingdom of
From11 June 1557
To4 August 1578
Personal InformationKing Sebastião I of Portugal (1554 - 1578)

Dom Sebastian I (Portuguese: Sebastião I) was King of Portugal and the Algarves from 11 June 1557 to 4 August 1578 and the penultimate Portuguese monarch of the House of Aviz.

He was the son of João Manuel, Prince of Portugal, and his wife, Joanna of Austria. He was the grandson of King John III of Portugal and Holy Roman Emperor Charles V. He disappeared (presumably killed in action) in the battle of Alcácer Quibir. Sebastian I is often referred to as The Desired (Portuguese: o Desejado), as the Portuguese people longed for his return to end the decline of Portugal that began after his death.

Dom Sebastião I (King Sebastião I): Some useful external links
Sebastian of Portugal - Wikipedia