 Complete the following phrase:  Benfica won their first European title in 1961, defeating Barcelona to win the European Cup, and successfully retained the title in the following year after defeating Real Madrid. After that, they appeared in five more finals 1963, 1965, 1968, 1988 and 1990 but failed to reconquer the title. These consecutive final losses have been attributed to a famous curse by Hungarian manager Béla Guttmann in 1962. Benfica have also played in three a hrefUEFA20Europa20LeagueUEFA CupUEFA Europa Leaguea finals 1983, 