In the 11th century, a group of Norman adventurers led by Roger de Hauteville, also known as Roger the Great Count, embarked on a daring campaign to conquer the island of Sicily. This ambitious undertaking, chronicled in the captivating documentary "The Norman Conquest of Sicily: Medieval History Documentary / Roger the Great Count," unfolded over several decades and involved intricate political alliances, fierce battles, and the establishment of a powerful Norman kingdom. The Normans, with their superior military tactics and strategic prowess, gradually wrested control of the island from its previous rulers, the Arabs, Byzantines, and Lombards, forever altering the course of Sicilian history.