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Jan Iskra from Brandis and his role in the social and political struggles in Slovakia and Hungary in the 1440–1460s

The article examines the activities of the Czech knight Jan Iskra of Brandis in Slovakia and Hungary in the 1440–1460s. In the conditions of a sharp aggravation of the socio-political struggle, he managed to gain significant influence and assert power over most of the territory of modern Slovakia. The author reveals the reasons for the rise of Iskra, as well as the circumstances of the loss of his conquered positions after 1453.