Treaty of Alcáçovas

Timeline

1. 1478–1479Iberian Peninsula · Iberian PeninsulaThe Castilian War of Succession reached a stalemate, with neither side able to secure a decisive victory; diplomatic channels gradually became active, creating conditions for formal peace talks.
2. 1479Alcáçovas · Évora DistrictBoth sides formally signed the peace at Alcáçovas; Castile recognized Portugal's priority on the African coast, and Portugal recognized the legitimacy of Isabella's claim and abandoned support for Juana.
3. 1479–1480Atlantic Ocean · Iberian PeninsulaThe treaty assigned the Canary Islands to Castile and the Azores and Madeira to Portugal, and established Portugal's monopoly on African coast trade, profoundly shaping colonial competition for the next two centuries.