Port of the Kilwa Sultanate

Timeline

1. 1000–1200Kilwa Kisiwani · TanzaniaPersian-descended rulers established a sultanate here, controlling the coastal city-state network from Sofala to Pemba Island, levying taxes on the gold and ivory trade, and beginning construction of coral-stone mosques.
2. 1300–1500Kilwa Kisiwani · TanzaniaSultan Hasan ibn Sulaiman expanded the Husuni Kubwa palace and the Great Mosque; the port became the core of the Indian Ocean gold trade, recorded by Ibn Battuta for its prosperity, with gold coins circulating as far as Western Asia.
3. 1505–1550Kilwa Kisiwani · TanzaniaA Portuguese fleet captured Kilwa and installed a puppet sultan, imposing heavy trade taxes; the gold trade shifted to Mombasa, the city's population plummeted, and palaces and mosques gradually fell into ruin.
4. 1551–1560Kilwa Kisiwani · TanzaniaKilwa had lost its status as a regional trade center, but small-scale port activity and an Islamic community persisted. The coral-stone ruins still stood along the coast, with occasional merchant ships calling; regional hegemony had shifted to Mombasa and Zanzibar, and the city entered a long decline.