Charlemagne (742-814 AD) Jan 28 1st Holy Roman emperor (800-14), dies at 71 Feb 18 Angilbert, Frankish monk and confidant of Charlemagne Apr 13 Krum, Khan of Bulgaria (803-814), dies during siege of Constantinople 813 AD Famous Deaths by Year 816 AD Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide