The Portuguese won a major sea battle over a combined fleet of Egyptian and Indian vessels in 1509 at AP World History Chapter 22 The Portuguese won a major sea battle over a combined fleet of Egyptian and Indian vessels in 1509 at a. Diu. b. Samarkand. c. Jidda. d. Malacca. e. Batavia. Answer: A Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+