If you are new and need to know what a treble is?  Congratulations, you are at the right place.

A treble is a feat achieved when a team wins their League, Domestic Cup and the European Cup.

In total there are 10 teams who have accomplished this feat, including the new addition, Manchester City.

1.  Celtic (1966-1967)

2.  Ajax (1971-1972)

3.  PSV Eindhoven (1987-1988)

4.  Manchester United (1998-1999)

5.  FC Barcelona (2008-2009)

6.  Inter Milan (2009-2010)

7.  Bayern Munich (2012-2013)

8.  FC Barcelona (2014-2015)

9.  Bayern Munich (2019-2020)

10. Manchester City (2022-2023)

There are 3 British clubs, 2 Dutch clubs and 1 Italian club who have achieved this once each.

FC Barcelona from Spain and Bayern Munich from Germany are the two clubs who have achieved it twice.

Special shoutout to Josep Guardiola aka Pep Guardiola. He has won the treble twice. Once with FC Barcelona in 2008-2009 season and now with Manchester City in 2022-2023 season.