Year 1017 (MXVII) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.
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.
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)