Question: Did Scott Berkun and Petar Gračanin share the same nationality?
Sentence (from "Petar Gračanin"): Petar Gračanin (Serbian Cyrillic: Петар Грачанин; 22 June 1923 – 27 July 2004) - was a Serbian military commander in the Socialist Federal Republic of Yugoslavia and the Federal Republic of Yugoslavia.
Relevant evidence: Yes