Battle of Reading (871) a camp at Reading, defended by the Thames and Kennet rivers on two sides, and by a rampart on the western side. Three days after their arrival, a party of Danes rode out towards nearby Englefield, where a West Saxon force under the command of Æthelwulf, the Ealdorman of the shire, was waiting for them. In the ensuing Battle of Englefield many of the Danes were killed, and the rest driven back to Reading. Four days later, Æthelwulf had been joined by the main West Saxon army, led by King Æthelred and his brother, Alfred the Great. The entire Saxon
Alfred the Great 22 January. They were defeated again on 22 March at the Battle of Merton (perhaps Marden in Wiltshire or Martin in Dorset). Æthelred died shortly afterwards on 23 April. In April 871 King Æthelred died and Alfred succeeded to the throne of Wessex and the burden of its defence, even though Æthelred left two under-age sons, Æthelhelm and Æthelwold. This was in accordance with the agreement that Æthelred and Alfred had made earlier that year in an assembly at "Swinbeorg". The brothers had agreed that whichever of them outlived the other would inherit the personal property that King Æthelwulf had