Complex sentence: The first significant case of fan violence in the stadium dates back to the meeting with "FK Sarajevo" from 1 October 1961, when referee Aleksandar Skoric was attacked after the match because he anulled the equalizing goal for Hajduk player Vidosevic.
Split into simpler sentences: The first significant case of fan violence in the stadium dates back to the meeting with "FK Sarajevo" on 1 October 1961. The referee Aleksandar Skoric was attacked after the match because he anulled the equalizing goal for Hajduk player Vidosevic.