Complex sentence: The 1--0 victory meant Liverpool became the first British team to retain the European Cup, and that the team would face Anderlecht, the winners of the Cup Winners' Cup in the European Super Cup.
Split into simpler sentences: The 1--0 victory meant Liverpool became the first British team to retain the European Cup. The victory meant Liverpool would face Anderlecht the winners of the Cup Winners' Cup in the European Super Cup.