Sep 24 Welf II, Duke of Bavaria (b. 1072) Nov 25 William Adelin, son and heir of Henry I of England (b. 1104), dies in White Ship tragedy trying to save his illegitimate half-sister Countess of Perche while crossing the English Channel 1119 Famous Deaths by Year 1121 Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide