repudiates his marriage to Eleanor of Aquitaine and has it annulled on grounds of misconduct and consanguinity – returning her lands and titles. Within 6 weeks, Eleanor re-marries Henry of Anjou, who had claimed the counties of Anjou and Maine, and the province of Touraine upon the death of his father Geoffrey Plantagenet (the Fair), the previous year. With the addition of Eleanor's lands, he now controls territory stretching unbroken, from Cherbourg to Bayonne. The town of Gorodets, located on the banks of the Volga River, is founded by Yuri Dolgorukiy, Grand Prince of Kiev. England April 6 – King Stephen has his nobles swear fealty to his son Eustace, as the rightful heir of the English throne. Theobald, archbishop of Canterbury, and other bishops refuse to crown Eustace favouring Henry of Anjou to claim the throne instead. Stephen confiscates their property and Theobald is forced into exile in Flanders. Stephen besieges Newbury Castle and holds the young William as a hostage to ensure that his father, John Marshal, keeps his promise to surrender the castle. When John refuses to comply, Stephen threatened to have the young boy catapulted over the walls. After this, William remains a crown hostage for many months. Africa The Almohad Caliphate conquers the Maghrib al-Awsat (modern Algeria). The city of Béjaïa becomes one of the main naval bases of the Almohads. Mesoamerica Matlacohuatl becomes ruler of the city-state Azcapotzalco located in the Valley of Mexico (until 1222). By topic Religion Synod of Kells-Mellifont: The present diocesan system of Ireland is established (with later modifications), and the primacy of Armagh is recognized. The Archbishopric of Nidaros in the city of Nidaros (modern-day Trondheim) in Norway is established. Births May 4 – Peter of Aragon, Spanish nobleman (d. 1164) May 10 – Gangjong, Korean ruler of Goryeo (d. 1213) David of Scotland, Scottish prince (d. 1219) Diego López II, Spanish nobleman (d. 1214) Geoffrey, illegitimate son of Henry II (d. 1212) Han Tuozhou, Chinese statesman (d. 1207) Imai Kanehira, Japanese general (d. 1184) James of Avesnes, French nobleman (d. 1191) Maria Komnene, Byzantine princess (d. 1182) Patrick I, Scottish nobleman (approximate date) Roger IV, duke of Apulia and Calabria (d. 1161) Roman Mstislavich, Kievan prince (d. 1205) Taira no Tomomori, Japanese nobleman (d. 1185) Deaths January 8 – Conrad I, German nobleman (b. 1090) January 18 – Albero de Montreuil, German archbishop February 15 – Conrad III,