Treaty of Zboriv

The Treaty of Zboriv was signed on 18 August 1649, after the Battle of Zboriv when the Crown forces of about 35,000, led by King John II Casimir of Poland, clashed against a combined force of Cossacks and Crimean Tatars, led by Hetman Bohdan Khmelnytsky and Khan İslâm III Giray of Crimea respectively, which numbered about 50,000.