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John III
John III (1502–1557), king of Portugal (r. 1521–1557), presided over the peak of overseas expansion with colonies in Brazil, India, East Africa, and …
Timeline
- 1502–1521Lisbon · EuropeBorn in Lisbon, son of Manuel I. After his elder brother died young he became heir, receiving a systematic humanist education at court, well versed in theology and state affairs.
- 1521–1536Lisbon · EuropeJohn III succeeded in 1521, actively promoted the colonization of Brazil, established 15 hereditary captaincies (capitanias hereditárias), and formally divided them for governance in 1534. He also strengthened trade monopolies with India and East Africa, maintaining control of outposts such as Goa.
- 1536–1549Lisbon · EuropeIn 1536 John III successfully petitioned the pope to establish the Inquisition in Portugal, vigorously suppressing New Christians (converted Jews) and heretics. That same year he invited the Jesuits to Portugal, formally approved their rule in 1540, and funded Francis Xavier and others to missionize in India and Japan.
- 1549–1557Lisbon · EuropeIn his later years John III suffered the loss of several children, and imperial finances grew strained from overexpansion. He died in 1557, succeeded by his young grandson Sebastian I, after which the Portuguese empire gradually declined.
Sources
- João III https://www.britannica.com/biography/John-III-king-of-Portugal
- Historia de Portugal — A. H. de Oliveira Marques (1972)