Real Madrid have lost the final of the UEFA Champions league 3 times. They did so in 1962, 1964, and 1981.
Arsenal have reached the champion league for the 12 years in a row but they lost the final to Barcelona in the final 2-1 was the score.
If you are asking of the champion league then they have not won it at all.But they did reach the final once in 2006, where they lost to Barcelona.
Arsenal have never won the champion league, the nearest they reached was the 2006 final, in which they lost to Barcelona, 2-1.
Three times in the Champions League era: 1993 (to Marseille), 1995 (to Ajax) and 2005 (to Liverpool). They also lost the 1958 European Cup final to Real Madrid.
2005 Champions League Final (Won against AC Milan on penalties) 2006 FA Cup Final (Won against WestHam on penalties) 2007 Champons League Final (Lost to AC Mialn 2-1) 2005 League Cup Final (Lost to CHELSEA 3-2 AET)
Once, in 1996. They've also lost in the Final three times (1997, 1998 and 2003).
once against inter milan in 1966-67. And lost in the final to feyenoord in 1972.
Juventus lost to Real Madrid in the 1998 Champions League final.
Arsenal lost the 2006 Champions League final to FC Barcelona. They lost the final 2-0.
Arsenal have not won the champion league as yet but they reach the teams for the cgampion league each year.They did reach one final and lost to Barcelona.
Manchester United have only ever lost one Champions League final, against Barcelona in 2009.