Bohdan Zynoviy Mykhailovych Khmelnytsky (Ukrainian: Богдан Зиновій Михайлович Хмельницький; Russian: Богда́н Хмельни́цкий, Bogdan Khmelnitsky; Polish: Bohdan Zenobi Chmielnicki (c. 1595 – 6 August 1657), was the Hetman of the Zaporozhian Host of the Crown of the Kingdom of Poland in the Polish–Lithuanian Commonwealth (now part of Ukraine). He led an uprising against the Commonwealth and its magnates (1648–1654) which resulted in the creation of a Ukrainian Cossack state.