1117

Events 

 Africa 
 Conflict between the independent republics of Mahdia and Gabes in Ifriqiya. Madhia is supported by the Zirid dynasty while Gabes receives the aid of the Roger I of Sicily.

 Asia 
 Pelusium is destroyed by Baldwin I of Jerusalem.
 Miidera and the sohei of Enryakuji attack Nara, Japan.

 Europe 
 Borivoj II of Bohemia becomes prince in place of Vladislav I of Bohemia.
 The people of Santiago de Compostela (present-day Spain) try to burn their prelate in his palace, along with the queen.
 Iceland ends slavery.
 Short-lived Almoravid reconquest of Coimbra (Portugal).Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; pp.84.

 By topic 
 Education 
 May 3 – Merton Priory (Thomas Becket School) is consecrated.

 Technology 
 The earliest use of a compass for navigational purposes is recorded.

 Births 
 Humphrey II of Toron, Constable of Jerusalem

 Deaths 
 April 16 – Saint Magnus, Earl of Orkney (executed)
 December 9 – Gertrud of Brunswick, Markgräfin of Meißen
 Anselm of Laon, French theologian
 Ivo of Chartres, French canon lawyer (b. 1040)
 Bertrade de Montfort, wife of Fulk IV of Anjou and Philip I of France
 Li Zhiyi, Chinese poet

 References