The island of São Tomé was discovered on December 21, 1470, by João de Santarém, on Saint Thomas’s Day; 27 days later, on January 17, 1471—St. Anthony’s Day—Pêro Escobar arrived on the island of Príncipe. Príncipe was initially called Santo Antão (“Saint Anthony”), but its name was changed in 1502 to the Prince’s Island (Ilha do Príncipe), in reference to the Prince of Portugal to whom taxes on the island’s sugar production were paid.
1470: Discovery of São Tomé The island of São Tomé was discovered on December 21, 1470, by João de Santarém, on St. Thomas’s Day.
1471: Discovery of Príncipe Island On Saint Anthony’s Day, Pêro Escobar arrived on Príncipe Island.
1493: Príncipe Island Álvaro de Caminha received the land as a concession from the crown.
1502: Príncipe Island The island of Santo Antão was renamed Príncipe Island in 1502, in reference to the Prince of Portugal.
1960: Opposition A nationalist group opposed to Portuguese rule emerges.
1975: Independence After approximately 500 years of Portuguese control, the archipelago is decolonized.