That man was Imre Nagy.
One of its rulers sought to capture his brother Geza and its first ruler set up the Diocese of Eger and Csanad. In addition to Bela and Stephen, both of whom were part of the Arpad dynasty, this country's independence was fought for by the Zrinsky noble family and Rakoczi. A 20th century ruler from here succeeded Rakosi and replaced Hegedus as Prime Minister, and pleaded for help with "For Freedom and Truth. That man was Imre Nagy. For ten points, name this country that formed a dual monarchy with Austria.
One of its rulers sought to capture his brother Geza and its first ruler set up the Diocese of Eger and Csanad.
{Hungary}