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 Horodok (1655) Potocki surrendered to King of Sweden Charles X Gustav, on October 28, 1655. Battle of Horodok (1655) The battle of Gródek Jagielloński or battle of Horodok took place during the Russo-Polish War (1654–67) on 29 September 1655. Russian and Ukrainian Cossack forces under Vasily Borisovich Sheremetev and Bohdan Khmelnytsky engaged a Polish–Lithuanian army under Stanisław "Rewera" Potocki near Gródek Jagielloński, which at that time was part of Polish-Lithuanian Commonwealth’s Ruthenian Voivodeship (now Horodok, Lviv Oblast, Ukraine). Polish forces were defeated and forced to retreat, losing their supplies to the Russians. The Russians advanced, besieging Lwow, and Potocki with the remains