Kingdom of Kongo and Portugal Relations

Timeline

1. 1520–1524Mbanza Kongo · AngolaAfonso I established Catholicism as the state religion, building churches and schools in the capital and training local priests and clerks. The kingdom adopted Portuguese-style administrative titles and wrote official documents in the Kongo language, seeking to fully Christianize society while preserving traditional power.
2. 1522–1526Lisbon · PortugalAfonso I repeatedly wrote to the King of Portugal requesting more missionaries, curbing the abuses of slave traders, and complaining of plunder by Portuguese officials. Kongo embassies traveled to Lisbon, and both sides conducted diplomatic maneuvering framed by Christian brotherhood, with the king seeking to control the pace of European engagement.
3. 1525–1530Lower Congo River · AngolaSlave exports continued to grow in the 1520s, with Portuguese merchants buying captives and subjects at ports such as Soyo. Afonso tried to limit trade to prisoners of war and opposed the kidnapping of free people, but conflicts between local nobles and Portuguese merchants sharpened, challenging royal control over coastal trade.