Edward the Elder
Edward ruled from time of his father's death on 26 October, 899. But he wasn't crowned until Whitsunday (8 June) of 900. His reign began with his cousin Athelwold, son of King Athelred, seizing the royal manors of Wimborne and Christchurch. When Edward confronted him Athelwold fled. He left behind a nun he had abducted. Athelwold was accepted by the Danes of Northumbria. There he was elected King of York. In 901 Athelwold was in Essex with a fleet he raised over seas. In 902 he convinced a Danish army in East Anglia to raid into Wessex and Mercia with him. In response Edward led his army into East Anglia and destroyed the countryside. Edward ordered his troops to retire back to Wessex, but the Kentish men disobeyed his orders and stayed behind. The Danish army quickly caught up with them. In the battle that followed, Athelwold was killed.