Qualla: Siege of Diu (1538)

Siege of Diu (1538): Introduction

Fri, 06 Mar 2026 00:00:00 GMT

Photo credit Abinayaa, CC BY-SA 4.0. Captain Antonio da Silveira had fewer than 600 men behind the walls of the Portuguese fortress at Diu when the Ottoman fleet appeared on the horizon in September 1538. What followed was one of the most desperate sieges of the Age of Exploration -- a four-month contest -- the Gujarati siege had begun in June before the Ottoman fleet arrived in September -- between the largest armada the Ottoman Empire had ever sent to India and a garrison so reduced by the end that women fought alongside the last surviving soldiers.

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Image: Abinayaa | CC BY-SA 4.0

Siege of Diu (1538): Empire Against Outpost

Fri, 06 Mar 2026 00:00:00 GMT

Photo credit Gaspar Correia, CC0. The Ottoman Pasha Suleiman arrived with an overwhelming force: nine basilisks, five great bombards, fifteen heavy guns, and 80 medium and smaller cannon, backed by thousands of troops including elite janissaries. Allied Gujarati forces under Khadjar Safar pressed from the mainlan...

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Image: Gaspar Correia | CC0

Siege of Diu (1538): Twenty-Seven Days of Bombardment

Fri, 06 Mar 2026 00:00:00 GMT

Photo credit Jacopo Ligozzi, CC0. Silveira's reply to the surrender demand has been remembered for centuries. He seized paper and ink and wrote a defiant refusal. By October 5, the Ottoman siege works were complete, and the full battery opened fire on the fortress for 27 consecutive days. After a week of bombardm...

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Image: Jacopo Ligozzi | CC0

Siege of Diu (1538): The Final Assault and the Women of Diu

Fri, 06 Mar 2026 00:00:00 GMT

Photo credit Aotearoa, CC BY-SA 3.0. On October 30, Pasha Suleiman attempted one last gambit: he faked a withdrawal, embarking a thousand men to lull the garrison. Silveira was not deceived. At daybreak, 14,000 troops in three columns stormed the walls while Ottoman artillery fired without regard for its own soldier...

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Image: Aotearoa | CC BY-SA 3.0

Siege of Diu (1538): An Empire Turned Back

Fri, 06 Mar 2026 00:00:00 GMT

Photo credit Matrakçı Nasuh, 16th century, Public domain. The failure at Diu ended Ottoman ambitions in the Indian Ocean for a generation. Never again would the Ottomans send so large an armada to India. Without a base on the western Indian coast, their campaign in the subcontinent was effectively finished, leaving the Portuguese uncont...

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Image: Matrakçı Nasuh, 16th century | Public domain