The Battle of Konotop or Battle of Sosnivka was fought between a coalition led by the Hetman of Ukrainian Cossacks Ivan Vyhovsky and cavalry units of the Russian Tsardom, led by Semyon Pozharsky and Semyon Lvov, on June 29, 1659 near the town of Konotop, Ukraine, during the Polish-Russian War (1658-1667). Vyhovsky's coalition, in which the Crimean Tatars played a major role defeated the Russians and forced the main Russian army to interrupt the siege of Konotop.