1622 The Shah of Persia, aided by the English, recovers Ormus.
1624 Bahia taken by the Dutch and recovered.
1630 Olinda in Brazil taken by the Dutch. Maurice of Nassau extends the Dutch power in Brazil.
1632 Military post of Tete in Mozambique established.
1634 An insurrection in Lisbon put down.
1637 An insurrection in Evora put down.
1638 The Dutch take Portuguese forts in Ceylon.
1640 The Dutch take Malacca. The Portuguese having been alienated by the misfortunes of their country under Spanish rule and by the bad faith of their kings, a sudden revolution ousts the Spaniards and gives the crown to the duke of Braganza as João (IV) the Fortunate. The assistance afforded by the Jesuits in this revolution is rewarded by almost unlimited power in ecclesiastical and great influence in civil affairs.
1641 The cortes assembles and accepts João IV. France and Holland send fleets. England recognises the king. Caminha conspiracy to restore Spanish power betrayed by the Spanish marquis De Ayamonte. The leaders executed.
1644 Albuquerque defeats the Spaniards at Montijo.