IV, count of Barcelona. Asia February 10 – Taira no Tadamori dies after a career in which he has used his military and diplomatic skills to subdue the pirates menacing commerce in the Seto Inland Sea. He expands trade with China and becomes the first samurai to serve Emperor Konoe as personal bodyguard. He is succeeded by his son Taira no Kiyomori, who assumes control of the Taira Clan. He establishes the first samurai-dominated government in Japan. Africa King Roger II sends a Sicilian expedition under Admiral Philip of Mahdia to conquer Ifriqiya. With the support of Muslim troops, the Siculo-Normans suppress a rebellion on Djerba and invade the Kerkennah Islands. By topic Demography Estimation: Constantinople, capital of the Byzantine Empire, becomes the largest city of the world, taking the lead from Merv in the Seljuk Empire. Religion July 8 – Pope Eugene III dies after a 8-year pontificate at Tivoli. He is succeeded by Anastasius IV as the 168th pope of the Catholic Church. Dhovemi, ruler of the Maldives, converts to Islam and adopts the Muslim title of Sultan Muhammad ibn Abdullah. Births August 17 – William IX, count of Poitiers (d. 1156) Abu Mohammed Salih, Almohad Sufi leader (d. 1234) Aimery of Cyprus (or Amaury), king of Jerusalem (d. 1205) Alexios III (Angelos), Byzantine emperor (d. 1211) Cathal Crobhdearg Ua Conchobair, Irish king (d. 1224) Fujiwara no Kanefusa, Japanese nobleman (d. 1217) Harvey I of Léon, Breton nobleman and knight (d. 1203) Ibn Hammad, Hammadid historian and writer (d. 1230) Kamo no Chōmei, Japanese author and poet (d. 1216) Marco I Sanudo, duke of the Archipelago (d. 1227) Nerses of Lambron, Armenian archbishop (d. 1198) Richard de Clare, 3rd Earl of Hertford (d. 1217) Sibylla of Acerra, queen and regent of Sicily (d. 1205) Waleran de Beaumont, 4th Earl of Warwick (d. 1204) William II (the Good), king of Sicily (d. 1189) Deaths January 28 – Pelagius of Oviedo, Spanish bishop February 10 – Taira no Tadamori, Japanese samurai (b. 1096) April 16 – Piotr Włostowic, Polish nobleman (b. 1080) May 22 – Atto of Pistoia, Portuguese bishop (b. 1070) May 24 – David I, king of Scotland (b. 1084) June 12 – Roger de Beaumont, 2nd Earl of Warwick June 29 – Óláfr Guðrøðarson, king of the Isles July 8 – Eugene III, pope of the Catholic Church August 16 – Bernard de Tremelay, French Grand Master