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John I of Portugal

Type Figure Region Portugal Time 1358–1433 Also known as John I of the Aviz Dynasty

King of Portugal (r. 1385–1433), founder of the Aviz dynasty; consolidated royal independence after Aljubarrota (1385), took Ceuta (1415), and backed…

Timeline

  1. 1385–1414Lisbon · PortugalCrowned in 1385, defeated Castilian intervention, allied with England, and rebuilt central royal authority while stabilizing the domestic nobility.
  2. 1420–1430Lisbon · PortugalIn the 1420s, elderly yet still directing state affairs, he supported Prince Henry the Navigator's Atlantic exploration efforts at Sagres and maintained diplomatic balance with Castile and Aragon.
  3. 1431–1433Lisbon · PortugalDied in Lisbon in 1433, buried at Batalha Monastery; succeeded by his son Edward I, ushering the Aviz dynasty into a new phase.

Sources