PT - JOURNAL ARTICLE AU - Faist, Michal TI - John Jiskra from Brandýs at the Height of the Power 1445-1451 DP - 2015 Jun 11 TA - Historica Olomucensia PG - 43--67 VI - 48 IP - 1 AID - 10.5507/ho.2015.002 IS - 18039561 AB - The article shows another important life period of Moravian warrior John Jiskra from Brandýs. After the end of Hungarian civil war he gained the throne for Ladislaus Posthumous and protected his interests together with his tutor Roman king Frederick IV. During the years 1445-1447 John Jiskra controlled the Kingdom together with other six powerful noblemen. His enemy Jan Hunyadi supported the constitution Monarchy in Hungary. He was voted as a gubernator. Jiskra slowly lost his influence on the political administration. He still held the vast areas in the Upper Hungary on behalf of the under-age king Ladislaus. He successfully thwarted the attempts to a new coronation of Ladislaus that threatened the legitimacy of the tenure of his possessions and also was weakening the position of the monarch in behalf of the Hungarian nobility. He fought with John Hunyadi and with his allies. For the fighting John Jiskra was taking the mercenary army composed mainly of Czechs. In the battle at Lucenec he won a great victory over the gubernator Jan Hunyadi. During this period, there were instances of disunity, desertion and even betrayal.