and government. The dukedom of Bohemia is secured for Vladislaus I following the death of Svatopluk (the Lion) who is assassinated. Vladislaus receives support from Henry V and will rule until 1125. Almoravid forces under Sultan Ali ibn Yusuf occupy Zaragoza (modern Spain), bringing all of Andalusia's Muslim states under Almoravid control. England King Henry I has improvements made at Windsor Castle, including a chapel, so that he can use the castle as his formal residence. By topic Literature The Rus' Primary Chronicle is completed. The work is considered to be a fundamental source in the history of the East Slavs. Approximate date of composition of Jayamkondar's Kalingattuparani, a Tamil epic celebrating the victory of Kulottunga Chola I over the Kalinga king, Anantavarman Chodaganga in the Chola-Kalinga war that took place around this year. Religion Construction begins on Fontevraud Abbey in the French duchy of Anjou. Births Aelred of Rievaulx, English Cistercian monk and abbot (d. 1167) Abraham ben Isaac, Jewish rabbi and writer (approximate date) Abraham ibn Daud, Jewish astronomer and historian (d. 1180) Walter FitzAlan, Scottish High Steward (approximate date) Clarembald of Arras, French theologian and writer (d. 1187) Diarmait Mac Murchada, Irish king of Leinster (d. 1171) Düsum Khyenpa, Tibetan spiritual leader (karmapa) (d. 1193) Eudes of Deuil (or Odo), French abbot and historian (d. 1162) Gertrude of Sulzbach, German queen (approximate date) Gilbert Foliot, English abbot and bishop (approximate date) Hodierna of Jerusalem, countess of Tripoli (approximate date) Iorwerth Goch ap Maredudd, Welsh prince (approximate date) John Tzetzes, Byzantine grammarian (approximate date) Kirik the Novgorodian, Russian monk and chronicler (d. 1156) Lhachen Naglug, Indian ruler of Ladakh (approximate date) Liu Wansu, Chinese physician of the Jin Dynasty (d. 1200) Eudes de St. Amand (or Odo), French Grand Master (d. 1179) Phagmo Drupa Dorje Gyalpo, Tibetan Buddhist monk (d. 1170) Reginald de Dunstanville, 1st Earl of Cornwall (d. 1175) Robert of Torigni, Norman monk and abbot (d. 1186) Rohese de Vere, countess of Essex (approximate date) Rostislav I, Grand Prince of Kiev (approximate date) Vladislaus II (or Vladislav), king of Bohemia (d. 1174) William III (the Child), count of Burgundy (d. 1127) Deaths July 10 – Elias I (de Baugency), French nobleman November 12 – Gebhard III, bishop of Constance Lhachen Utpala, Indian king of Ladakh (b. 1080) Li Jie, Chinese writer of the Song Dynasty (b. 1065) Richard of Hauteville, Italo-Norman nobleman Robert of Hauteville, Italo-Norman