Battle of Okhmativ (1655)
The Battle of Okhmativ or battle of Ochmatów (, , ) took place around 19 January - 22 January 1655 (January 29 - February 1, N.S) during the Russo-Polish War (1654–67) between the armies of the Polish–Lithuanian Commonwealth and the Crimean Khanate on the one hand and of the Russian Tsardom and the Cossacks on the other. The Russian-Cossack army led by Bohdan Khmelnytsky and Vasily Sheremetev went to the relief of Uman besieged by the Polish–Lithuanian army. When the commanders of the Polish army Stanisław Potocki and Stanisław Lanckoroński learned about the march of the Russians and Cossacks, they discontinued the siege and together with an army of the Crimean Khanate went out to meet them. Part of the Polish troops led by Szemberg was to guard the Puszkarenko group trapped in Okhmativ, numbering 2000 soldiers, while the main force moved on January 29 in the north. The entire Polish–Tatar army marched in expanded battle array. The Russian-Cossack army went in laager formation. On the first day of the battle the Polish and Tatar cavalry clashed with Russian and Cossack cavalry. The cavalry battle was won by the Polish–Tatar side, so that the Russian-Cossack troops standing in laager lost