In the 11th century, what group of people seized most of the Asiatic provinces of the Byzantine Empire? AP World History Chapter 9 In the 11th century, what group of people seized most of the Asiatic provinces of the Byzantine Empire? a. the Mamluks b. the Seljuk Turks c. the Mongols d. the Huns e. the Ottoman Turks Answer: B Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+