1686
The Eternal Peace Treaty of 1686 was a treaty between the Tsardom of Russia and the Polish-Lithuanian Commonwealth signed on May 6, 1686, in Moscow. It confirmed the earlier Truce of Andrusovo of 1667. The treaty secured Russia's possession of the Left-bank Ukraine, Zaporozh'ye, Seversk lands, the cities of Chernihiv, Starodub, and Smolensk and its outskirts, while Poland retained Right-bank Ukraine.
Read more about this topic: Territorial Evolution Of Poland