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 Warksow Battle of Warksow The Battle of Warksow was a battle that took place on the Baltic Sea island of Rügen on 8 January (O.S.)/18 January（N.S.） during the Swedish-Brandenburg War. In the battle Swedish forces defeated an allied army composed mainly of Danes supported by a smaller contingent of Brandenburg and Hesse-Cassel troops. The Swedes were able to muster some 3,500 men for the battle, including 2,000 cavalry. The allied Danish and Brandenburg troops amounted to about 4,670 men, including a few hundred Brandenburg and Hesse-Cassel soldiers and 1,770 cavalry, as well as 16 cannon. 170 Swedes lost their lives in