1015
Year 1015 was a common year starting on Saturday of the Julian calendar.
Events
By place
Asia
- October - Influential Japanese statesman Fujiwara no Michinaga is appointed to be Associate Regent.
- November - The newly constructed Japanese imperial residence burns down.
- Peacocks arrive from the Chinese Song Empire to Fujiwara's mansion in Japan.
Europe
- July 15 - Vladimir the Great dies at Berestove after a 35-year reign. He is succeeded by his son Sviatopolk I as Grand Prince of Kiev.
- Summer - King Cnut the Great of Denmark launches an invasion of Mercia and Northumbria in England.
- Emperor Henry II launches a German expedition against Duke Bolesław I the Brave. He invades Poland, but is stopped by Bolesław's forces at Krosno, on the Oder River.
- Earl Eric Haakonsson outlaws berserkers in Norway.
- Olaf Haraldsson declares himself King of Norway.
Births
- Andrew I, king of Hungary
- Altmann, bishop of Passau
- Ermesinda of Bigorre, queen of Aragon
- Eustace II, count of Boulogne
- Ferdinand I, king of León and Castile
- Frozza Orseolo, margravine of Austria
- Harald Hardrada, king of Norway
- Herman IV, duke of Swabia
- John Komnenos, Byzantine aristocrat
- Michael V Kalaphates, Byzantine emperor
- Otto II, margrave of Montferrat
- Robert Guiscard, Norman nobleman
- Roger de Beaumont, Norman nobleman
Deaths
- February 5 - Adelaide, German abbess and saint
- February 13 - Gilbert of Meaux, French bishop
- July 15 - Vladimir the Great, Grand Prince of Kiev
- September 1 - Gero II, margrave of the Saxon Ostmark
- September 12 - Lambert I, count of Louvain
- December 14 - Arduin of Ivrea, king of Italy
- December 20 - Eido I, bishop of Meissen date unknown
- * Æthelmær the Stout, English ealdorman
- * Al-Sharif al-Radi, Persian Shi'ite scholar
- * Gavril Radomir, emperor of Bulgaria
- * Geoffrey, count of Eu
- * Herbert III, count of Vermandois
- * Hugh III, count of Maine
- * Ibn Furak, Muslim imam and theologian
- * Irene of Larissa, empress of Bulgaria
- * Liu Zong, Chinese official of the Song Dynasty
- * Masawaih al-Mardini, Syrian physician and writer
- * Morcar, English minister
- * Owain ap Dyfnwal, king of Strathclyde
- * Rodulf of Ivry, Norman nobleman
- * Sigeferth, English chief minister
- * Vikramaditya V, Indian ruler of the Chalukya Empire