European soccer trebles
Men’s teams who have won their domestic league, domestic cup and Champions League/European Cup in same season
1967 Celtic, Scotland
1972 Ajax, Netherlands
1988 PSV Eindhoven, Netherlands
1999 Manchester United, England
2009 Barcelona, Spain
2010 Inter Milan, Italy
2013 Bayern Munich, Germany
2015 Barcelona, Spain
2020 Bayern Munich, Germany
2023 Manchester City, England
2025 Paris Saint-Germain, France