 Complete the following phrase:  On 12 March 1560, the Holy League captured the island of Djerba which had a strategic location and could control the sea routes between Algiers and Tripoli. As a response, Suleiman the Magnificent sent an Ottoman fleet of 86 galleys and galliots under the command of Piyale Pasha, which arrived at Djerba on 11 May 1560 and destroyed the Christian fleet in a matter of hours at the 