Diogo Dias discovered an island they named after St Lawrence after the saint on whose feast day they had first sighted the island later known as Madagascar
Manuel I orders expulsion or conversion of the Portuguese Jews.
Gaspar Corte-Real made his first voyage to Newfoundland, formerly known as Terras Corte-Real.
1502 - Miguel Corte-Real set out for New England in search of his brother, Gaspar.
Goa, in Portuguese India, is attacked by a coalition of Indian forces, but these are defeated by Portuguese Vice-Roy Luís de Ataíde, Count of Atouguia.
1578
Portuguese troops utterly defeated in Africa, in the battle of Alcácer Quibir ; king Sebastião disappears in the battle never to be seen again.