Who relieved the fortress when the Ottoman Sultan laid siege to Belgrade?
Frederick III
Albert VI
George of Poděbrady
John Hunyadi
Answer
John Hunyadi was a Hungarian nobleman and soldier. He was the Regent of Hungary from 1446 to 1456, and he is considered one of the greatest military leaders of the Middle Ages. In 1456, he relieved the fortress of Belgrade when the Ottoman Sultan laid siege to it.
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