European Football (Soccer) Treble Winners

Can you name the European teams to have won the original treble (winning their top tier league, the major secondary competition and the continental championship, all within a single season).
This does not include the UEFA Cup/Europa League or Domestic Trebles.
Quiz by mufc99
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Last updated: May 12, 2014
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First submittedApril 17, 2012
Times taken16,207
Average score71.4%
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Answer
Celtic
Ajax
PSV Eindhoven
Manchester United
Answer
Barcelona
Internazionale
Bayern Munich
+1
Level 65
Aug 16, 2014
You forgot Porto
+2
Level 79
Aug 30, 2015
Porto only won the small European treble iirc. I think champions league win is a requirement here
+2
Level 45
Dec 23, 2015
Porto lost to Benfica in the league cup when they won Champs League
+1
Level 66
Jul 11, 2016
Got them all with 6 secs left. Didn't think of Celtic until right at the end.
+1
Level 50
Dec 13, 2018
Yh Celtic was my last one and was just guess
+1
Level 38
Jul 28, 2017
No Porto? They won the treble in 2004
+2
Level 59
Aug 30, 2020
Benfica won the cup in 2004
+1
Level 35
Oct 16, 2017
just done it with 1minute 7 seconds left
+3
Level 62
Aug 26, 2023
It has to be updated. Manchester city son ir this year