1016 (MXVI )was aleap year starting on Sunday of theJulian calendar , the 1016th year of theCommon Era (CE) andAnno Domini (AD) designations, the 16th year of the2nd millennium , the 16th year of the11th century , and the 7th year of the1010s decade. As of the start of 1016, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.
Edmund II (left) is defeated by forces of Cnut the Great. March 25 –Battle of Nesjar (off the coast ofNorway ):Olaf Haraldsson is victorious over former co-regentSweyn Haakonsson confirming his status asKing of Norway . April 23 –Æthelred ,King of England , dies, and is replaced by his sonEdmund Ironside .[ 1] c. May –Battle of Brentford (near London): King Edmund defeats theDanes underCnut , Prince ofDenmark .[ 2] October 18 –Battle of Ashingdon : Cnut defeats Edmund, leaving the latter as king ofWessex only.[ 1] November 30 – King Edmund dies and Cnut takes control of the whole of theKingdom of England .[ 1] ThePisan and theGenoese republics launch a naval offensive against the Muslim strongholds ofSardegna , in particularPorto Torres and defeat the fleet of thetaifa king ofDenia , Mujahid al-Amiri al-Muwaffaq.[ 3] Melus of Bari makes a second attempt againstByzantine -held Southern Italy. To support his cause, he hiresNorman mercenaries, unwittingly triggering the rise ofNorman rule over southern Italy .[ 4] Georgius Tzul , ruler ofKhazaria , is captured by a combinedByzantine Empire –Kievan Rus' force, which effectively ends Khazaria's existence.