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Events on Tuesday 11 June 1557 2
1502 – 1557John III of Portugal (1502-1557)Died 11 June 1557, aged 55John III ruled Portugal for 36 years, overseeing the expansion of Portuguese trade in Asia and the colonization of Brazil. He also introduced the Inquisition to Portugal in 1536. He died at Lisbon's Ribeira Palace and was succeeded by his three-year-old grandson Sebastian.
1557Sebastian I becomes King of PortugalThree-year-old Sebastian inherits the throne under regencySebastian succeeded his grandfather John III as King of Portugal at age three, following John III's death. His grandmother, Queen Catherine of Austria, took over as regent during his minority. Sebastian would later rule in his own right and die young at the Battle of Alcacer Quibir in 1578.