sentences:  This event led Suleiman the Magnificent to mobilize the great force that landed on Malta on 18 May 1565 to begin the Great Siege of Malta.During the siege itself, Romegas played a prominent part, leading several thousand knights and soldiers in the defense of the Great Harbor.When the siege ended, he immediately returned to raiding Muslim shipping, continuing to build his reputation as a fearless warrior and defender of Christendom.