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 Jarosław (1656) Battle of Jarosław (1656) The Battle of Jarosław took place during the Deluge (part of the Second Northern War) in March 15, 1656. Polish-Lithuanian Commonwealth forces under the command of Stefan Czarniecki defeated the Swedish forces commanded by Charles X Gustav of Sweden. After the Battle of Golab, the Swedish army under King Charles X Gustav marched towards Lwow, where Polish forces concentrated, and where King Jan Kazimierz stayed. In early March 1656, Charles X Gustav received news that up to 20,000 Polish-Lithuanian soldiers concentrated in Red Ruthenia. The Swedish King realized that his forces were not adequate to face