Siege of Diu

Timeline

1. 1538Diu · GujaratAt the request of Gujarat sultan Bahadur Shah, Suleiman the Magnificent ordered Hadim Suleiman Pasha to sail east from Suez with some seventy-odd warships and a large artillery train. The allied force landed off Diu, bombarded the fortress and harbor with heavy guns, and cut Portugal's maritime supply lines, formally opening the siege.
2. 1538Diu fortress · GujaratPortuguese commander Antonio de Silveira held Diu fortress with fewer than four hundred defenders, receiving limited sea reinforcements and ammunition under the coordination of Governor Nuno da Cunha. The garrison resisted Ottoman bombardments and landing assaults with shore guns, firearms, and stubborn fortifications, turning the siege into a prolonged stalemate.
3. 1538Diu · GujaratStrained by unfavorable monsoons, spreading disease, and continuing casualties, the Ottoman fleet's supplies ran short, and Hadim Suleiman Pasha finally ordered a withdrawal eastward. Portugal successfully held Diu, defeating the Ottomans' most serious attempt to challenge its supremacy in the Indian Ocean and further consolidating control of the spice routes and coastal strongholds.