Harold Godwinson, often called Harold II, was the last Anglo-Saxon king of England. Harold reigned from 6 January 1066 until his death at the Battle of Hastings on 14 October, fighting the Norman invaders led by William the Conqueror during...

William I usually known as William the Conqueror and sometimes William the Bastard, was the first Norman King of England, reigning from 1066 until his death in 1087. The descendant of Viking raiders, he had been Duke of Normandy since 1035...

Urban is best known for starting the First Crusade. Urban's crusading movement took its first public shape at the Council of Piacenza, where in March 1095 Urban received an ambassador from the Byzantine emperor Alexius I Comnenus, asking fo...

Rodrigo (or Ruy) Díaz de Vivar, nicknamed El Cid Campeador, was a Castilian military and political leader in medieval Spain. Born of the minor nobility, El Cid was educated in the royal Castilian court and became an important general and ad...

Godfrey of Bouillon was a leader of the First Crusade. He was either the eldest or the second son of Eustace II, Count of Boulogne, and Ida, daughter of Godfrey III, Duke of Lower Lorraine. He was designated by his uncle, Godfrey the Hunchb...

Enrico Dandolo was the 41st Doge of Venice from 1195 until his death. Remembered for his blindness, piety, longevity, and shrewdness, he is infamous for his role in the Fourth Crusade which he, at age ninety, directed against the Byzantine...

Frederick I Barbarossa was elected King of Germany at Frankfurt on 4 March 1152 and crowned in Aachen on 9 March, crowned King of Italy in Pavia in 1154, and finally crowned Holy Roman Emperor by Pope Adrian IV on 18 June 1155. He was crown...

Averroës is the Latinized form of Ibn Rushd, a mediæval Andalusian Muslim polymath. He wrote on logic, Aristotelian and Islamic philosophy, theology, the Maliki school of Islamic jurisprudence, psychology, political and Andalusian classical...

Saladin was the first Sultan of Egypt and Syria and the founder of the Ayyubid dynasty. A Muslim of Kurdish origin, Saladin led the Muslim opposition to the European Crusaders in the Levant. At the height of his power, his sultanate include...

Richard I was King of England from 6 July 1189 until his death. He also ruled as Duke of Normandy, Aquitaine and Gascony, Lord of Cyprus, Count of Poitiers, Anjou, Maine, and Nantes, and was overlord of Brittany at various times during the...

Genghis Khan was the founder and Great Khan (emperor) of the Mongol Empire, which became the largest contiguous empire in history after his demise. He came to power by uniting many of the nomadic tribes of northeast Asia. After founding...

Peter II the Catholic was the King of Aragon and Count of Barcelona from 1196 to 1213. He was born in Huesca, the son of Alfonso II of Aragon and Sancha of Castile. In 1205 he acknowledged the feudal supremacy of the papacy and was crown...

Saint Francis of Assisi was an Italian Catholic friar and preacher. He founded the men's Order of Friars Minor, the women’s Order of St. Clare, and the Third Order of Saint Francis for men and women not able to live the lives of itinerant p...

Roger Bacon was an English philosopher and Franciscan friar who placed considerable emphasis on the study of nature through empirical methods. He is sometimes credited (mainly since the nineteenth century) as one of the earliest European ad...

Kublai Khan was the fifth Khagan (Great Khan) of the Ikh Mongol Uls (Mongol Empire), reigning from 1260 to 1294, and the founder of the Yuan Dynasty, a division of the Mongol Empire. Kublai was the fourth son of Tolui and a grandson of G...