Battle of the Conwy In 877 they partitioned Mercia, taking the east for themselves and leaving the west to Ceolwulf. Gwynedd was also under attack from the Vikings, and in 877 King Rhodri Mawr was defeated and driven out. He returned the following year, but immediately came under attack from Mercia, which was still trying to maintain its hegemony in Wales. King Alfred's victory over the Vikings at the Battle of Edington in May 878 relieved the pressure on Mercia, and in the same year Mercia defeated and killed Rhodri Mawr. Ceolwulf died or was deposed in 879, and he was succeeded as Lord
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,