Æthelred of Wessex of Mercia, appealed to him for help against the Vikings. Æthelred and his brother, the future Alfred the Great, led a West Saxon army to Nottingham, but there was no decisive battle, and Burgred bought off the Vikings. In 874 the Vikings defeated Burgred and drove him into exile. In 870 the Vikings turned their attention to Wessex, and on 4 January 871 at the Battle of Reading, Æthelred suffered a heavy defeat. Although he was able to re-form his army in time to win a victory at the Battle of Ashdown, he suffered further defeats on 22 January at
Battle of the Cunene but not yet under control. At Cunene River they were confronted with the resistance of two Ovambo peoples, the Cuamato and Cuanhama, led by their king Tchetekelo. When an advanced unit composed of 500 Portuguese soldiers and Humbi auxiliaries under captain Luís Pinto de Almeida crossed the river, about 300 men were massacred in an ambush. The Portuguese defeat was followed by a punitive expedition in 1905 and 1907, but not before 1916 Southern Angola was "pacified". Battle of the Cunene In the Battle of the Cunene River, Portuguese Colonial forces were defeated by Angolan Ovambo warriors on 25 September,