798AD, Eardwulf may have married an illegitimate daughter of Charlemagne.
He fought a battle at Billington moor (Near Whalley Lancashire) against Earldorman Wada. Wada was beaten and fled to Mercia.
799AD. Eardwulf ordered an Earldorman called Moll Killed for plotting against him.
800AD. Ealhmund the son of Alchred was killed by Eardwulf’s men.
More raids from the Vikings. This time they plunder the monasteries of Whitby, Hartlepool and Tynemouth.
801AD. Eardwulf gathered an army and marched on Coenwulf of Mercia. Coenwulf had for long time been harbouring his enemies and Eardwulf was intent on teaching him a lesson. After a long campaign with neither side gaining the upper hand, The nobles and bishops negotiated a peace and the two kings confirmed it under oath.
806AD. In a plot backed with the help of Mercia, Eardwulf was driven out and fled to the court of Charlemagne. Aelfwald II. took his place.