Question: The Battle of Segesvár, was a battle in the Hungarian Revolution of 1848, fought on 31 July 1849 between the Hungarian revolutionary army supplemented by Polish volunteers under the command of General Józef Bem, was a Polish engineer and general, an Ottoman pasha and a national hero of Poland and Hungary, and a figure intertwined with other European nationalisms, Bem fought outside which location's borders?
Sentence (from "Battle of Segesvár"): The battle was won by the Russian-Austrian army and it is presumed that the Hungarian poet and national hero Sándor Petőfi died in the battlefield, though his body was never found.
Relevant evidence: No