Jan 13 Aethelwolf, king of Wessex (Battle at Aclea), dies Feb 13 Kenneth I of Scotland [Kenneth MacAlpin], King of the Picts who united Scotland and is considered the 1st Scottish King, dies of a tumor at around 48 Apr 17 Benedict III, Italian Pope (855-58), dies 856 AD Famous Deaths by Year 859 AD Famous People by Cause of Death Assassination Drug Overdose Gunshot Wound Murder Plane Crash Suicide