Kilwa Sultanate Indian Ocean trade (1430s)

Timeline

1. 1431–1435Kilwa Kisiwani · TanzaniaSultan Husni ibn Sulayman (al-Husayn ibn Sulayman) consolidated control over Kilwa's main island and its dependent port towns; the Great Mosque and palace buildings sustained the city's reputation, and port customs and anchorage fees remained important sources of revenue for the sultanate.
2. 1435–1440Swahili Coast trade belt · East AfricaArab and Indian merchant fleets reached Kilwa along monsoon routes, carrying away gold and ivory from the Zambezi River basin; inland Shona kingdoms participated indirectly in trade through ports such as Sofala. Luxury goods such as Chinese porcelain circulated along the coast, showing Kilwa's deep embedding in the 15th-century global maritime commercial system.