904 Vikings killed the Welsh king Mervyn ap Rhodri Mawr




England
Vikings attacked Wessex.
Iceland
The scald and berserker Egil Skallagrimsson was born at Borg, Western Iceland. His father Skallagrim fled from Norway, the father could not accept the harsh rule of Harald fairhair. Egil’s father Skallagrim and his grandfather Kveldulv (‘Nightwolf’) were also berserkers. The mental state of a berserker was sometimes descended from father to son. The concept of ‘berserk’ was used as the  way of ‘going berserk’ could apply to others than just the members of a warrior brotherhood or it was also used about warriors who not had any animal skins.
Scotland
Ragnall the expelled viking king from Dublin, tried to establish him self in Strathclyde, but was force to withdraw.
Wales
Vikings killed the Welsh king Mervyn ap Rhodri Mawr in a hit and run raid.
Viking swords