Ivan Pidkova

Ioan Potcoavă (died 16 June 1578) or Ivan Pidkova (Ukrainian: Іван Підкова), also known as Ioan Creţul, and allegedly baptized as Nicoară Potcoavă, was a prominent Cossack ataman, and short-lived Voivode (Prince) of Moldavia (November–December 1577). His moniker ("potcoavă" in Romanian/"pidkova" in Ukrainian – "horseshoe") is said to originate in the fact that he used to ride his stallions to the point of breaking off their horseshoes; another version says that he could break and unbend both horseshoes and coins with his fists.

A Romanian from Transnistria, after rising to prominence as a successful soldier, he became a leader (ataman) and the sworn brother of Hetman Yakiv Shah, elected by the Cossacks of the Registered Zaporozhian Host from Ukraine neighbouring Moldavia. In 1574, Ioan Vodă cel Cumplit, whose brother Pidkova claimed to be, had named the territory "Our Country from over the Dniester". Other Moldavian Atamans and Hetmans of the Cossacks were Grigore Lobodă (Hryhoriy Loboda; 1593–1596) and Dănilă Apostol (Danylo Apostol; 1727–1734).

Potcoavă was one of the so-called Domnişori ("Little Princes"), named so because of a more or less based claims of belonging to Moldavian ruling families, thus exercising demands of the throne. Claiming to be Ioan III Vodă's half-brother, he together with Hetman Yakiv Shah chased Peter the Lame from the throne and resisted the first wave of violent Ottoman reaction. The Turks, their Wallachian vassal Mihnea Turcitul and their Transylvania vassal and Polish partner, King Stefan Báthory, managed to remove him. In the end, Potcoavă was taken prisoner by Poles and decapitated in Lviv.

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