Kilwa Sultanate

Timeline

1. c. 957–1000Kilwa Kisiwani Island · Swahili CoastAccording to the Kilwa Chronicles, the Persian or Arab merchant Ali ibn al-Hasan al-Shirazi founded the city here, forming an early Islamized settlement and port that laid the geographic and religious foundations for the later sultanate.
2. c. 1001–1200Swahili Coast · western Indian OceanIn the early 11th century, Kilwa gradually gained control of the chain of southern Swahili ports, connecting the Sofala gold mines with Indian Ocean ports through the trade of gold dinars, ivory, and slaves; the city-state network extended into the Mozambique Channel.
3. 1200–1400Kilwa Kisiwani · TanzaniaThe Kilwa Sultanate reached its height in the 13th–14th centuries; the ruins of the Great Mosque and the palace reflect a prosperous Islamic architecture and minting economy, and travelers such as Ibn Battuta recorded its power.
4. 1505–1513Kilwa Kisiwani · TanzaniaIn 1505 a Portuguese fleet captured Kilwa, breaking its trade monopoly; the sultanate's political authority collapsed, and the pattern of East African maritime trade shifted toward European colonial dominance.