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 Nedao where they attacked the Eastern Roman Empire and were decisively defeated in 469. After that point, Huns cease to exist in European history. Battle of Nedao The Battle of Nedao was a battle fought in Pannonia in 454 between Huns and their former vassals. Nedao is believed to be a tributary of Sava river. After the death of Attila the Hun, allied forces of the subject peoples under the leadership of Ardaric, king of the Gepids, defeated the Hunnic forces of Ellac, the son of Attila, who had struggled with his brothers Ernak and Dengizich for supremacy after Attila's death.