 Complete the following phrase:  The late 1950s and 1960s saw Benfica dominate not just Portuguese football but also European football. The arrival of Eusébio saw Benfica secure eight league titles in ten years. Benficas league titles were joined by two consecutive European Cups which were won in 1961, 32 against Barcelona, and in 1962, 53 against Real Madrid. The 1970s saw the continuation of Benficas domice up until the 197778 season, during which Porto won the league title for the first time in 19 years. The 1980s and early 1990s saw both Benfica and Porto battle for the league title. Portos resurgence and the introduction of Jorge Nuno Pinto da Costa as chairman saw Porto reach new heights, winning the European Cup for the first time after defeating Bayern Munich 21 in the 