 Two more followed in 1906 and 1907; this was their last success until the 1950–51 season, when they regained the league title after 44 years.The club first participated in official European competitions during the 1955–56 season, entering the inaugural edition of the European Cup, a trophy that they won for the first time seven years later, in 1963.They kept proving successful during the 1960s, as they won their first Coppa Italia in 1967, their first Cup Winners' Cup the following year and their first Intercontinental Cup in 1969.