begins. The economic competition between Milan and Como drives the two cities to war. Scandinavia Upon the death of his brother Philip, Inge the Younger becomes sole king of Sweden. Þorlákur Runólfsson becomes Bishop of Skálholt. Spain The Almoravids lose their control of the Ebro valley: Pope Gelasius II grants the status of Crusade to the Christian effort in the Ebro Valley, attracting numerous Gascon, Occitan and Norman knights. December 18 – Alfonso the Battler expels the Moors from Zaragoza. The Aragonese reconquer many of the valleys of the Jalón and the Jiloca. The troops of Ramon Berenguer III, Count of Barcelona, led by archbishop Oleguer Bonestruga, capture Tarragona from the Moors. East Asia The Genei era begins in Japan. The Zenghe era of Emperor Huizong of Song China ends, and the Chonghe era begins. The Yongning era of Emperor Chongzong of Western Xia ends. Caucasus David IV of Georgia captures Lori from the Seljuk Turks. David IV of Georgia settles a number of Kipchaks in Georgia. Western Asia June 11 – Roger of Salerno, Prince of Antioch, captures Azaz from the Seljuk Turks. The Byzantine general Philocales captures Sardis, from the Seljuk Sultanate of Rûm. Baldwin I of Jerusalem invades Egypt. Baldwin of Le Bourg succeeds his cousin Baldwin I, as King of Jerusalem. Roman of Le Puy becomes lord of Oultrejordain. Joscelin I succeeds Baldwin of Le Bourg, as Count of Edessa. Garmond of Picquigny becomes Latin Patriarch of Jerusalem. Suleyman I ibn al-Ghazi becomes emir of Aleppo. Ahmed Sanjar and Mahmud II proclaim themselves rival Seljuk sultans, upon the death of Mehmed I of Great Seljuk. Al-Mustarshid becomes Abbasid caliph. Bahram Shah becomes Ghaznavid Emperor. South Asia June 29 – Vikram Chola becomes regent of the Chola kingdom. Battle of Kennagal: The Hoysala Empire defeats the Chalukya. Births November 28 – Manuel I Komnenos, Byzantine emperor (d. 1180) Ahmad al-Rifa'i, Arab founder of the Rifa'i Sufi Order Andronikos I Komnenos, Byzantine emperor (d. 1185) Christina of Denmark, queen of Norway (approximate date) Gualdim Pais, Portuguese knight and Grand Master (d. 1195) Hartwig of Stade, archbishop of Bremen (d. 1168) Narathu, Burmese ruler of the Pagan Kingdom (d. 1171) Nur ad-Din, Seljuk ruler of Damascus and Aleppo (d. 1174) Odo II, French nobleman (House of Burgundy) (d. 1162) Roger III, Norman duke of Apulia and Calabria (d. 1148) Roger of Worcester, English bishop (approximate date) Saigyō Hōshi, Japanese