Complex sentence: The 1965--66 and ninth season of the FIBA European Champions Cup was won by Simmenthal Milano for the first time in its history, the first of the club's three Euroleague championships.
Split into simpler sentences: The 1965--66 1965--66 FIBA European Champions Cup was the ninth season of the FIBA European Champions Cup. It was won by Simmenthal Milano, for the first time in its history, the first of the club's three Euroleague championships.