4. Leader of the Ukrainian Cossacks
Bohdan Khmelnytsky was leader of the Ukrainian Cossacks.
Zynoviy Bohdan Khmelnytsky was the Ukrainian Hetman of the Zaporozhian Host, and then in the Polish Crown of the Polish-Lithuanian Commonwealth.
He led a revolt against the Commonwealth and its leaders which led to the formation of a Cossacks-led empire. Read more