1017

Events 

 By place 
 Europe 
 c. May – Melus of Bari begins a rebellion, supported by Norman mercenaries. His forces are victorious in three battles against the Byzantine Empire.
 c. July – Cnut the Great, King of England, marries Emma of Normandy, widow of the monarch known as Æthelred.
 Cnut divides England into the four Earldoms of Wessex, Mercia, East Anglia and Northumbria.
 Kiev burns. Possible date at which construction of Saint Sophia's Cathedral, Kiev, is started.

 Asia 
 Abd-ar-Rahman IV replaces Suleiman II as Umayyad caliph.
 Hamza ibn-'Ali ibn-Ahmad publicly declares the founding of the Druze religion. During the reign of the Fatimid Caliph Al-Hakim bi-Amr Allah.

 Africa 
 Sunni revolt of Kairouan against the Shi'ite Zirid dynasty. The city is quickly retaken, robbed and destroyed.Gilbert Meynier (2010) L'Algérie cœur du Maghreb classique. De l'ouverture islamo-arabe au repli (658-1518). Paris: La Découverte; pp.48.

 Births 
 October 29 – Henry III, Holy Roman Emperor (d. 1056)
 Zhou Dunyi, Neo-Confucian philosopher in Song Dynasty China (d. 1073)

 Deaths 
 July 6 – Genshin, Japanese schoolar (b. 942)
 Abd-ar-Rahman IV, Umayyad caliph
 Eadric Streona, Earldorman of Mercia
 Elvira of Castile (daughter of García I), Regent of Leon (b. 965)
 Ramon Borrell, Count of Barcelona, (b. 972)

 References