Liverpool first participated in European competition during the 1964–65 season, a season which represented Liverpool's first FA Cup triumph. They won their first European trophy, the UEFA Cup, during the 1972–73 season. The club won the European Cup during the 1976–77 season and retained the trophy the following year. Liverpool won a unique treble of the League, the European Cup and League Cup during the 1983–84 season. They won their first double of league championship and FA Cup in 1986, and during the 2000–01 season they won another treble, this one consisting of the FA Cup, League Cup and UEFA Cup. Liverpool won their first Premier League trophy in the 2019–20 season under Jürgen Klopp.