"Władysław III (31 October 1424 – 10 November 1444), also known as Władysław of Varna, was King of Poland from 1434, and King of Hungary and ...
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Croatia from 1440, until his death at the Battle of Varna.
Władysław III of Varna is known in Hungarian as I. Ulászló; in Polish as Władysław Warneńczyk; in Slovak as Vladislav I; in Czech as Vladislav Varnenčík; in Bulgarian as Владислав Варненчик (Vladislav Varnenchik); in Lithuanian as Vladislovas III; in Croatian as Vladislav I. Jagelović." - (en.wikipedia.org 31.01.2020)