Military Wiki
Battle of River Duyon
Part of Portuguese battles in the East
LocationPortuguese Malacca
Result Decisive Portuguese victory
Portugal Portuguese Empire Sultanate of Aceh
Commanders and leaders
Nuno Álvares Botelho Lançamane
28 galleys 236 ships
19,000 men [1]
Casualties and losses
Few All ships captured or destroyed
All men killed or captured
130 artillery pieces captured

The Battle of River Duyon was a naval engagement between the Portuguese forces commanded by Nuno Álvares Botelho, who is renowned in Portugal as the last great commander of Portuguese India, and the forces of the Sultanate of Aceh, which were led by General Lançamane. The relatively modest Portuguese fleet achieved an absolute victory over the Ottoman-allied Aceh in such decisive ways that not a single ship or man of the invading force sent to conquer Malacca managed to get back to its country.

After his triumph, Álvares Botelho was received in Malacca in apotheosis, and his great achievement was greatly celebrated in Portugal. Additionally, the Portuguese sent the huge captain ship of Aceh, the Amazing of the World, a galley with a crew of over 1,000 to Goa, so that the population could see the amazing ship.


  1. Monteiro, Saturnino (2010). Batalhas e Combates da Marinha Portuguesa. Lisbon: Livraria Sá da Costa Editora. ISBN 972-562-323-1. 

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