When was the last time Barcelona won the champion league?

1943 in Madrid. Franco, the former dictator of Spain, entered the dressing room of Barca team before the commencement of the game and reminded them they were only playing because of the "generosity of the regime". It is reported that the referee and the players of barca had been threatened and gave Madrid the victory on purpose after FC Barcelona had won 3-0 in the first leg.