Complex sentence: On June 30,1961, Rogers took the title from Pat O'Connor in front of 38,622 fans at Comiskey Park, which set a new North American professional wrestling attendance record that stood until the David Von Erich Memorial Parade of Champions in 1984.
Split into simpler sentences: On June 30,1961, Rogers took the title from Pat O'Connor in front of 38,622 fans at Comiskey Park, which set a new North American professional wrestling attendance record. The record stood until the David Von Erich Memorial Parade of Champions in 1984.