Question: FK Partizan is a professional football club based in Belgrade, Serbia, and became the first Eastern European club to play in the European Cup final, losing by Real Madrid in which 1966 football match held at the Heysel Stadium, Brussels?
Sentence (from "FK Partizan in European football"): They also became the first Eastern European club to play in the European Cup final, losing by Real Madrid in 1966.
Relevant evidence: Yes