Winning the "treble" means winning the three main titles of the season:
- Continental championship (e.g. Champions League)
- National league championship
- National cup title
How many teams in the history of football have won the treble?
Winning the "treble" means winning the three main titles of the season:
How many teams in the history of football have won the treble?
If instead of "European Championship" you mean the continental championship of the continent where the team is located (since it is not possible for any team outside of Europe to win the European championship) then the answer is:
The following teams have won a treble: